CN103813833A - Respiratory assembly including latching mechanism - Google Patents
Respiratory assembly including latching mechanism Download PDFInfo
- Publication number
- CN103813833A CN103813833A CN201280036550.8A CN201280036550A CN103813833A CN 103813833 A CN103813833 A CN 103813833A CN 201280036550 A CN201280036550 A CN 201280036550A CN 103813833 A CN103813833 A CN 103813833A
- Authority
- CN
- China
- Prior art keywords
- respiratory component
- axial passage
- breech lock
- respiratory
- component
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B19/00—Cartridges with absorbing substances for respiratory apparatus
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B9/00—Component parts for respiratory or breathing apparatus
- A62B9/04—Couplings; Supporting frames
Abstract
Respiratory assemblies are disclosed that include first and second respiratory components and a latching mechanism. The latching mechanism is capable of engaging at least one retaining feature of a respiratory component, thereby impeding disengagement of the first respiratory component from the second respiratory component. Upon application of force to the actuator, the at least one latch is capable of disengaging from the retaining feature, thereby allowing disengagement of the first respiratory component from the second respiratory component. Respiratory components including or adapted to work with such latching mechanisms are also disclosed.
Description
The present invention relates to respiratory protection equipment, and relate more specifically to comprise the breathing assembly of blocking mechanism, described blocking mechanism is for releaseably engaging the first respiratory component with the second respiratory component.
Background technology
Various respiratory protection equipments are for providing clean air to its user.In some cases, by first clean air being offered to user through the filter draws ambient air being arranged in filter cylinder.Filter cylinder can be attached to respirator mask main body, and this mask body is worn on people's face, above his or her nose and oral area.In this type of respiratory protection equipment, due to the negative pressure that wearer breathes forms, pass filter draws ambient air.In additive method, can force surrounding air to pass under the pressure of filter clean air is offered to user from air blast.This type of pressue device is called powered air purifying respirator or PAPR.Alternatively, can clean air be offered from pressurized canister to the user of respiratory protection equipment.Such device is called self-contained type's respirator or SCBA.In each in these devices, clean air supply source (for example, from PAPR or SCBA filter cylinder or flexible pipe) is connected to and is worn on user's nose and the mask body of oral area top.If user expects the protection of whole face and head, also can cover eyes and head.
Develop the system of some types in respirator field for clean air source is attached to breathing mask.A kind of ubiquitous system uses screwed part, and described screwed part is attached to corresponding threaded fittings, referring to for example United States Patent (USP) 5,222,488,5,063,926,5,036,844,5,022,901,4,548,626,4,422,861 and 6,575,165.Screw thread filter cylinder conventionally has spirality or advances shape screw thread, its with attack threaded collar or socket and coordinate.Make filter cylinder rotate up and allow filter cylinder be attached to respirator body or remove from respirator body in suitable side.Guarantee to maintain air-tight fit at interface with the packing ring of elastically deformable.Come releaseably by screw thread clean air supply source locks in place with blocking device.Referring to for example United States Patent (USP) 6,575,165.
Replace thread attachment mechanism, with bayonet type closure member, clean air source is attached to respirator.Bayonet type closure member has lock tab and recess so that parts are fixed together.Lock tab can be outstanding from filter cylinder, and can engage with the recess in hole in respirator body.When making filter cylinder in the time that suitably side rotates up, filter cylinder engages with mask body-referring to United States Patent (USP) 6,216,693 and 5,924,420.Use the benefit of bayonet type accessory to be, filter cylinder can engage with mask body by turning soon (being conventionally less than approximately 1/2nd circles).
In bayonet socket closed-system, indicate filter cylinder to be correctly connected to respirator mask-referring to United States Patent (USP) 4,934,361 and 4,850,346 with sound indicating device.Lug on face shield has been provided with gentle slope or the cam with inclined-plane, and it is oriented to make rib deflection or the distortion gradually on filter cylinder.Along with filter cylinder and face shield relative to each other rotate to latched position, cam and ribbed joint, and make rib and lug deflection until rib falls from the end of cam suddenly.This suddenly moves and generates the click sound that can hear.
Also design the respirator with snap fit filter cylinder, as authorize shown in the people's such as Yushack United States Patent (USP) 5,579,761.In the method, only by corresponding contained structure filter cylinder being pressed on mask body, instantaneous filter cylinder being anchored to mask body engaged.Do not need rotatablely moving of filter cylinder.
Also known such respiratory protection equipment, wherein the threaded portion of clean air supply source and clean air contained structure is engaged with each other with high pitch, and comprises the slow portion (d é tente) of one.Block piece prevents that clean air supply source is with respect to mask body over-rotation during fixing operation.Referring to the US7 that authorizes the people such as Mittelstadt, 320,722.
Summary of the invention
In one implementation, the present invention relates to a kind of assembly of breathing, described breathing assembly comprises the first respiratory component and the second respiratory component.The first respiratory component has receiving surface, and described receiving surface comprises the first axial passage therein.The second respiratory component has at least one holding structure and the second axial passage, described the second axial passage is constructed to and size is designed to arrange communicatively with described the first axial passage fluid, makes described the second respiratory component form being connected of sealing with the described receiving surface of described the first respiratory component.Described breathing assembly also comprises the blocking mechanism that is attached to the first respiratory component, at least one breech lock and latch actuator that described blocking mechanism comprises elastic component, inwardly gives prominence to towards described the first axial passage.Described at least one breech lock can engage at least one holding structure, thereby stops described the first respiratory component to depart from from described the second respiratory component.In the time applying power to described latch actuator, described at least one breech lock can depart from from described holding structure, thereby allows described the first respiratory component to depart from from described the second respiratory component.
In another kind of implementation, the present invention relates to a kind of breathing assembly that comprises the first respiratory component, described the first respiratory component has the mouth for releaseably described the first respiratory component being connected to the second respiratory component, described mouthful has the receiving surface therein with the first axial passage, and described the first respiratory component also comprises the locking mechanism that is attached to described the first respiratory component.At least one breech lock and latch actuator that described blocking mechanism comprises elastic component, inwardly gives prominence to towards described the first axial passage.In the time applying power to described latch actuator, described at least one breech lock can move away from described the first axial passage.
In another kind of implementation, the present invention relates to a kind of breathing assembly that comprises the first respiratory component, described the first respiratory component has the mouth for releaseably described the first respiratory component being connected to the second respiratory component.In this implementation, the maintenance shoulder on the outer surface that described mouth is included in the projection wherein with axial passage, be arranged on described projection and be arranged on the containment member on the outer end of described annular projection.
Accompanying drawing explanation
By reference to the accompanying drawings, by below can comprehend the present invention to the detailed description of various embodiments of the present invention, wherein:
Fig. 1 illustrates according to exemplary breathing assembly of the present invention;
Figure 1A illustrates the partial enlarged drawing of the breathing assembly of Fig. 1;
Fig. 2 A illustrates the partial exploded view of another kind of exemplary breathing assembly;
Fig. 2 B illustrates the supplementary partial exploded view of the breathing assembly shown in Fig. 2 A;
Fig. 2 C illustrates another view of the breathing assembly shown in Fig. 2 A and Fig. 2 B;
Fig. 2 D illustrates according to the profile of the mouth of exemplary breathing assembly of the present invention;
Fig. 3 A illustrates the partial exploded view of another kind of exemplary breathing assembly;
Fig. 3 B illustrates the supplementary partial exploded view of the breathing assembly shown in Fig. 3 A;
Fig. 4 illustrates the partial exploded view of another kind of exemplary breathing assembly;
Fig. 5 illustrates the exemplary breathing assembly of another kind according to the present invention; And
Fig. 6 illustrates the exemplary breathing assembly of another kind according to the present invention.
Accompanying drawing may not be drawn in proportion.The like numerals will using in accompanying drawing refers to like.But, should be appreciated that and be not intended to limit the parts that use same numeral mark in another accompanying drawing with the parts that label refers in given accompanying drawing.
The specific embodiment
Except as otherwise noted, otherwise all scientific and technical terminologies used herein have implication conventional in this area.The definition providing is herein conducive to understand frequent some term using herein, and and does not mean that and limit the scope of the invention.
Except as otherwise noted, otherwise all quantity of the expression physical dimension, amount and the physical property that use in description and claims will be understood to modify by term " about " in all cases.Unless herein content otherwise explicitly points out, otherwise in this specification and the appended claims, singulative " " used and " described " are contained and have multiple embodiment that refer to thing.Unless content otherwise explicitly points out herein, otherwise the term "or" using in this specification and the appended claims is generally used with the meaning that comprises "and/or".
Fig. 1 illustrates according to one of the present invention and breathes assembly 10.In this exemplary embodiment, breathe assembly 10 and comprise negative pressure personal respiratory protection device.Breathe assembly 10 and comprise the first respiratory component 12(here, mask body) and the second respiratory component 14(is here, clean air supply source, for example filter element or filter cylinder).Respiratory protection equipment shown in Fig. 1 is called " negative pressure " respiratory protection equipment or face shield, because with compared with power fan or compressed-air actuated " malleation " source, it mainly depends on wearer's lung by air intake face shield.As mentioned above, positive pressure respiration protective device or face shield use from the air of air blast or pressurized tank (described device is carried by wearer conventionally) to send clean air or oxygen provides.Positive pressure system is often used flexible pipe or another kind of suitable conduit, as the attachment component for clean air supply source.The example of PAPR is shown in United States Patent (USP) 6,250, in 299,6,186,140,6,014,971,5,125,402,4,965,887,4,462,399 and 4,280,491.PAPR forces air to pass filter, and described filter can be placed in the unit of wearing around user's waist.The example of SCBA system is shown in United States Patent (USP) 6,478, in 025,4,886,056,4,586,500 and 4,437,460.
In Fig. 1, the first respiratory component 12 is depicted as and is fitted in the main part of wearer's at least nose, oral area and the full-face respirators face shield of eye top-referring to the United States Patent (USP) 5,924,420 of for example authorizing the people such as Reischel.But, use be fitted in wearer's nose and oral area top " hemihedral form " face shield also within the scope of the invention, referring to the United States Patent (USP) 7,320,722 of for example authorizing the people such as Mittelstadt.Exemplary the first respiratory component 12 can comprise conformal facial contact member 16, rigid structure member 18 and be located thereon one or more band tools or the belt contained structure 20 for accommodating belt tool or one or more belts, and it makes to breathe assembly 10 and can be supported in use on people's head.Rigid structure member 18 can comprise at least one exhalation vents 24, and it allows the air of breathing out to discharge from internal gas space.Internal gas space is defined as the space between mask body and wearer's face.Outlet valve (here, being covered by expiration valve gap 27) can be arranged on mask body 12 to stop air to enter internal gas space in intake period, also allows the air of breathing out to discharge fast from this space in intake period simultaneously.The example of the outlet valve that can be combined with breathing assembly of the present invention comprises the outlet valve with flexible fin, and described flexible vane sheet is dynamically opened in response to the air of breathing out.
With further reference to Fig. 1 and Figure 1A, exemplary the first respiratory component 12 comprises the mouth 30 that releaseably the first respiratory component 12 is connected to the second respiratory component 14.Mouth 30 can comprise receiving surface 32, and this receiving surface has the first axial passage 34 therein.The first projection 36 can be arranged on receiving surface 32, and it can be constructed to and size is designed to around the first axial passage 34.Preferably, the first projection is roughly annular.Breathe assembly 10 and comprise blocking mechanism 40.The blocking mechanism 40 of this exemplary embodiment is attached to the first respiratory component 12.But in other exemplary embodiments, blocking mechanism 40 can be attached to the second respiratory component 14.At least one breech lock 44 and latch actuator 46 that blocking mechanism 40 comprises elastic component 42, inwardly gives prominence to towards the first axial passage 34.Blocking mechanism is constructed to make in the time applying power to latch actuator, and described at least one breech lock 44 can move away from the first axial passage 34.In this exemplary embodiment, actuator 46 comprises the free end of blocking mechanism 40, can be by the free end of blocking mechanism being pressed together to apply necessary power as shown in the arrow F in Figure 1A.Other embodiment of bolt lock mechanism of the present invention and other structure are discussed with reference to Fig. 2 A-4 below.
With further reference to Fig. 1 and Figure 1A, the second respiratory component 14 can be the filter cylinder with housing 50, and filter element can be housed inside (filter element is not shown) in described housing.In other exemplary embodiments, filter element can not arrange housing.Case lid or grid 52 can be arranged on the front of the second respiratory component 14, to seal and to protect filter element.In filtering cartridge lid 52, can there are multiple openings 54, to allow in intake period through covering 52 air that easily aspirate from exterior gas space, thereby can filter described air by filter element.Filter element can be or can comprise gas and/or particulate filter, its example shown in following patent literature or discuss: 6, 743, the people such as 464(Insley), 6, 627, 563B1(Huberty), 6, 454, the people such as 986(Eitzman), 6, 660, 210, 6, 409, 806 and 6, 397, the people such as 458(Jones), 6, 406, the people such as 657(Eitzman), 6, 391, the people such as 429(Senkus), 6, 375, the people such as 886(Angadjivand), 6, 214, the people such as 094(Rousseau), 6, 139, the people such as 308(Berrigan) and 6, 119, the people such as 691(Angadjivand), 5, 763, 078 and 5, 033, the people such as 465(Bran) and 5, 496, 785 and 5, 344, 626(Abler).Pneumatic filter can comprise the activated carbon granule of for example packed bed or adhesive-bonded form.Particulate filter can comprise the charged microfibre of non-woven webs form.
The second respiratory component 14 also comprises mouth 60, and described mouthful for being releaseably connected to the first respiratory component 12 by the second respiratory component 14.Mouth 60 comprises the second axial passage 62, and this passage is communicated with surrounding air fluid via filter element, and the air-breathing of user made through the opening 54 in filtering cartridge lid 52, through filter element, surrounding air is drawn in the second axial passage 62.The second axial passage 62 is constructed to and size is designed in the time that the second respiratory component 14 is attached to the first respiratory component 12, arranges communicatively with the first axial passage 34 fluids of the first respiratory component 12.Preferably, then the second respiratory component 14 forms being connected of sealing with the receiving surface 32 of the first respiratory component 12.
The second respiratory component 14 also comprises at least one holding structure 66, and in certain embodiments, described holding structure can be arranged in the second projection 64.The second projection 64 can be constructed to and size is designed to around the second axial passage 55.The second projection 64 is preferably annular.At least one holding structure 66 is constructed to make at least one breech lock 44 can engage described at least one holding structure 66, thereby stops the first respiratory component 12 to depart from from the second respiratory component 14.In addition, in the time that latch actuator 46 is applied to power, at least one breech lock 44 can depart from from least one holding structure 66, thereby allows the first respiratory component 12 to depart from from the second respiratory component 14.
Those of ordinary skill in the art will easily recognize, can carry out various modifications to above-mentioned exemplary embodiment within the scope of the invention.For example, for example, can be a part for the second respiratory component 14 on the contrary as the various structures shown in a part for the first respiratory component 12 (, one or more in mouth 30, receiving surface 32, blocking mechanism 40 etc.), vice versa.
Fig. 2 A illustrates the partial exploded view of the exemplary breathing assembly 100 of another kind according to the present invention.Fig. 2 B illustrates the supplementary partial exploded view of breathing assembly 100, for structure hiding in Fig. 2 A is shown better.Fig. 2 C illustrates another view of breathing assembly 100, and some of them building block is assembled together.Exemplary breathing assembly 100 comprises that the first respiratory component 120(is shown schematically as the cross section of respirator mask) and the second respiratory component 180(be shown schematically as the part of filter cylinder).Exemplary the first respiratory component 120 comprises mouth 130, and described mouthful for being releaseably connected to the second respiratory component 180 by the first respiratory component 120.Mouth 130 comprises receiving surface 132, and described receiving surface has the first axial passage 134 therein.The first projection 136 is arranged on receiving surface 132, and is constructed to and size is designed to around the first axial passage 134.Preferably, the first projection comprises the substantial cylindrical wall 136a of portion.The first projection also can comprise one or more location and/or anti-rotation structure, for example one or more lug 136b.In addition or alternatively, receiving surface 132 can limit the groove arranging around the first axial passage.
Exemplary the second respiratory component 180 comprises mouth 160, and described mouthful for being releaseably connected to the first respiratory component 120 by the second respiratory component 180.Mouth 160 comprises the second axial passage 162, and described passage is constructed to and size is designed in the time that the second respiratory component 180 is attached to the first respiratory component 120, arranges communicatively with the first axial passage 134 fluids of the first respiratory component 120.The second projection 164 is constructed to and size is designed to around the second axial passage 162.In some exemplary embodiments, the first projection 136 is constructed to be housed inside in the second projection 164.The second projection 164 can be roughly annular.In the second projection 164, can find and be constructed to the one or more location and/or the anti-rotation structure 164a that coordinate with the one or more location/anti-rotation structure 136b of the first projection 136.In one embodiment, one or more location and/or anti-rotation structure 164a can be the one or more grooves that are constructed to hold one or more lug 136b.Other of location/anti-rotation element are constructed also within the scope of the invention.Conventionally, the first respiratory component and the second respiratory component can comprise separately with at least one of the first annular projection and the adjacent setting of the second annular projection and coordinate anti-rotation element.
The second respiratory component 180 also comprises at least one holding structure 166, for example one or more shoulders or flange, and it can be arranged in the second projection 164, at annular shoulder or the flange for arranging around second channel 162 shown in Fig. 2 A-C.In other exemplary embodiments, one or more holding structures can comprise that for example surrounding around axial passage is arranged on multiple projections or the projection in the second projection 164 for example.In some exemplary embodiments, the mouth 130 of the first respiratory component 120 comprises potted component 132a, as shown in Figure 2 D.In the illustrated embodiment, potted component 132a comprises the lip seal member being arranged on receiving surface 132.Preferably, lip seal member is around the first axial passage 134.Potted component 132a can be constructed to mouth 160 potted component (for example, the inclined sealing surface 168) cooperation with the second respiratory component 180.
Potted component can be made or be comprised flexible rubber or rubber type of material by flexible rubber or rubber type of material.Exemplary suitable material comprises that thermoplastic elastomer (TPE) (for example
or
block copolymer), TPV (for example
material) or various thermoset rubber material (for example natural latex rubber, polyisoprene, nitrile, EPDM, butyl rubber or silicon rubber).Potted component 132a can be removably attached or be assembled into the parts of breathing assembly, or potted component 132a can Overmolded and direct permanent attachment to this base part.The alternative arrangement mode of potted component can comprise compression washer or flexible closed-cell foam element that may be on receiving surface 132.Another alternative potted component arrangement can adopt the ring-like seal of O shape, and it can compress by abutment surface 132, for example, and the radial compression of sliding on the radial fit surface of the first respiratory component and the second respiratory component.Any example seal element according to the present invention can be arranged on the first respiratory component, the second respiratory component or any suitable position of the two.
Breathe assembly 100 and also comprise blocking mechanism 140.The blocking mechanism 140 of this exemplary embodiment can removably or be fixedly attached to the first respiratory component 120.For example, mouth 130 can insert in the opening 122 of the first respiratory component 120, makes at least a portion of mouth in a side of opening, and its at least a portion is at opposite side.For example, mouthful 130 plain-straight-face flanges that can have around periphery, to stop it to pass opening.Blocking mechanism 140 can be assembled in mouthfuls 130, and lid 150 (for example, attached via snap fit) above blocking mechanism 140 is attached to mouthfuls 130, so that mouth 130 and blocking mechanism 140 are remained to the first respiratory component 120.
One or both in breech lock 144a and 144b can have bowed shape, and this allows them around the first axial passage 134 and annular projection 136(if present) bending.In one embodiment, the first breech lock and the second breech lock 144a and 144b comprise the arm with free end 146a and 146b separately.Arm can be connected to each other a position, and intersects in another location.For example, in the illustrated embodiment, breech lock 144a and 144b are connected to each other via elastic component 142.Elastic component 142 can be the separate part in linking arm or the region that is integrally formed with arm, or can be any other part of blocking mechanism 140.In the exemplary embodiment, whole blocking mechanism can be considered elastic component 142.Elastic component 142 is enough flexible, with latch enable 144a and the abundant deflection of 144b in the time that its actuator 146 is applied to power with move away from the first axial passage 134 of the first respiratory component 120, so that blocking mechanism 140 departs from from the holding structure 166 of the second respiratory component 180.On the other hand, elastic component 142 is elasticity enough, to return to its original shape in the time removing power.
In one embodiment, breech lock 144a and 144b relative to each other setover.Specifically, under the not stress state of the breech lock 140 shown in Fig. 2 A and Fig. 2 B, the position of the arm 144a of breech lock 140 and 144b more close its link when be inserted in mouth 130 than breech lock shown in Fig. 2 C intersects.In the time that breech lock 140 is inserted in mouth 130, the projection 137 being arranged between arm 144a and 144b even maintained deflected by arm before actuator 146 is applied to any power.In some exemplary embodiments, can utilize pin 145 that blocking mechanism 140 is anchored in the depression 135 in the mouth 130 that is formed at the first respiratory component 120.In this type of exemplary embodiment, the first arm and the second arm can be around pin 145 pivotables.Can insert in depression 135 blocking mechanism 140 and mouthful 130 assemblings by selling 145.The first breech lock and the second breech lock 144a and 144b are relative to each other setovered and contribute to further to guarantee the firm connection between the first respiratory component and the second respiratory component.Therefore, force breech lock to be worked as when static and remain on locked position of coupler, therefore always engage holding structure 166, unless user has a mind to discharge this mechanism.
The latch actuator 146 of illustrated embodiment comprises as two free end 146a of the arm of breech lock 144a and 144b and 146b.In this type of exemplary embodiment, the first arm and the second arm can intersect near its free end, to provide additional leverage for activating.Blocking mechanism 140 can operate as follows.When as shown in the arrow F in Fig. 2 A, in the time at least one (preferably, both) in free end 146a and 146b being applied to power towards another free-ended direction, breech lock 144a and 144b move away from the first axial passage 134.Once crossing and depart from holding structure 166, the second respiratory components 180, breech lock 144a and 144b just can depart from from the first respiratory component 120.Otherwise, when actuator 146 not being applied to power, or the power deficiency applying is so that breech lock 144a, 144b while crossing one or more holding structure 166, and one or more breech locks are still kept by one or more holding structures, thereby stop the first respiratory component to depart from from the second respiratory component.
Can be by making below or comprising following according to one or more parts of blocking mechanism of the present invention: polymeric material or resin, metal or their combination.In certain embodiments, blocking mechanism can comprise thermoplastic resin or be made up of it, for example, in Merlon, nylon, polybutylene terephthalate (PBT), polypropylene and acrylonitrile-butadiene-styrene (ABS) (ABS) any or multiple.In certain embodiments, maybe advantageously use such as the metal of spring steel and make one or more assemblies (for example, one or more breech locks and/or flexible member), to reduce the size of parts.
Fig. 3 A illustrates the partial exploded view of the exemplary breathing assembly 200 of another kind according to the present invention.Fig. 3 B illustrates that the supplementary partial exploded view of breathing assembly 200 is for understanding better structure hiding in Fig. 3 A.Exemplary breathing assembly 200 comprises the first respiratory component 220 and the second respiratory component 280.Exemplary the first respiratory component 220 comprises that mouth 230 is for being releaseably connected to the second respiratory component 280 by the first respiratory component 220.Mouth 230 comprises receiving surface 232, and described receiving surface has the first axial passage 234 therein.The first projection 236 is arranged on receiving surface 232, and is constructed to and size is designed to around the first axial passage 234.In addition or alternatively, receiving surface 232 can limit the groove arranging around the first axial passage.
Exemplary the second respiratory component 280 comprises that mouth 260 is for being releaseably connected to the first respiratory component 220 by the second respiratory component 280.Mouth 260 comprises the second axial passage 262, and described passage is constructed to and size is designed in the time that the second respiratory component 280 is attached to the first respiratory component 220, arranges communicatively with the first axial passage 234 fluids of the first respiratory component 220.The second projection 264 is constructed to and size is designed to around the second axial passage 262.In some exemplary embodiments, the first projection 236 is constructed to be contained in second projection 264 that can be roughly annular.
The first respiratory component and the second respiratory component can comprise separately with at least one of the first annular projection and the adjacent setting of the second annular projection and coordinate anti-rotation element.The second respiratory component 280 also comprises at least one holding structure 266, and described structure can be arranged in the second projection 264, is depicted as the annular shoulder arranging around second channel 262.The mouth 260 salable elements 268 also of the second respiratory component 280, sealing element can be arranged on the inclined surface in the outmost surface of the second projection 264.In addition or alternatively, the mouth 230 of the first respiratory component can comprise such as the potted component in conjunction with the described lip seal member of Fig. 2 D.Lip seal member can be arranged on the receiving surface 232 of the first respiratory component 220.
Breathe assembly 200 and also comprise blocking mechanism 240.The blocking mechanism 240 of this exemplary embodiment is attached to the first respiratory component 220.Blocking mechanism 240 comprises that elastic component 242(is bowed shape in this exemplary embodiment).When by blocking mechanism and the assembling of the first respiratory component, the first breech lock and the second breech lock 244a and 244b are inwardly outstanding towards the first axial passage 234, make them engage at least one holding structure 266, thereby stop the first respiratory component 220 to depart from from the second respiratory component 240.The first breech lock 244a is arranged on a side of axial passage 234, and the second breech lock 244b is arranged on the opposite side (preferably, relative with the first breech lock 244a) of axial passage 234.
Breech lock 244a and 244b comprise bending area, thereby allow each breech lock around the first axial passage 234 and annular projection 236(if present) bending.The first breech lock and the second breech lock 244a and 244b comprise the arm with the first free end 246a1 or 246b1 and the second free end 246a2 or 246b2 separately.Be similar to the described exemplary embodiment in conjunction with Fig. 2 A-C, the first arm and the second arm can intersect near the first free end, and the first free end can be used as actuator 246.
Exemplary arm 244a and 244b pass through arc elastic component 242(preferably, near the second free end 246a2 and 246b2) be connected to each other.Elastic component 242 can be the independent parts that are attached to arm, or can form with arm entirety.Elastic component 242 is enough flexible, with latch enable 244a and the abundant deflection of 244b in the time that its actuator 246 is applied to power with move away from the first axial passage 234 of the first respiratory component 220, so that blocking mechanism 240 departs from from the holding structure 166 of the second respiratory component 280.On the other hand, elastic component 242 is elasticity enough, to return to its original shape in the time removing power.The second free end 246a2 can for example be connected by opening being set in each second free end with 246b2, and described opening is constructed to hold and keep the post 235 of the first respiratory component 220.Therefore, the first arm and the second arm can be around axis 245 pivotables.
Blocking mechanism 240 can operate according to the mode of the operation that is similar to blocking mechanism 140.Specifically, when as shown in the arrow F in Fig. 3 A, in another free-ended direction to the first free end 246a
1and 246b
1in at least one (and, preferably, both) while applying power, breech lock 244a and 244b are removable away from the first axial passage 234.Once crossing and depart from holding structure 266, the second respiratory components 280, breech lock 244a and 244b just can depart from from the first respiratory component 220.Otherwise, when actuator 246 not being applied to power, or the power deficiency applying is so that breech lock 244a, 244b while crossing one or more holding structure 266, and one or more breech locks are still kept by one or more holding structures, thereby stop the first respiratory component to depart from from the second respiratory component.
Mouth 230 also can comprise groove 238a and 238b, and described groove is constructed to respectively hold and keep breech lock 244a and 244b.For blocking mechanism 240 being attached to mouth 230, pin 235 is inserted in the opening of the breech lock 244a of blocking mechanism 240 and the second free end 246a2 of 244b and 246b2, and by breech lock 244a and 244b insertion groove 238a and 238b.Projection 237 and 239 can be arranged on mouth 230 for arranging and location breech lock 244a and 244b.
Fig. 4 illustrates the partial exploded view of the exemplary breathing assembly 300 of another kind according to the present invention.Exemplary breathing assembly 300 comprises the first respiratory component 320 and the second respiratory component 380.Exemplary the first respiratory component 320 comprises that mouth 330 is for being releaseably connected to the second respiratory component 380 by the first respiratory component 320.Mouthfuls 330 comprise receiving surface 332, and described receiving surface has therein the first axial passage 334, the first projections 336 and is arranged on receiving surface 332, and are constructed to and size is designed to around the first axial passage 334.The second respiratory component 380 comprises that mouth 360 is for being releaseably connected to the first respiratory component 320 by the second respiratory component 380.Mouth 360 comprises: the second axial passage 362, and described passage is constructed to and size is designed in the time that the second respiratory component 380 is attached to the first respiratory component 320 and the first axial passage 334 fluids arrange communicatively; The second projection 364, it is constructed to and size is designed to around the second axial passage 362.In some exemplary embodiments, the first projection 336 is constructed to be contained in the second projection 364.The second respiratory component 380 also comprises at least one holding structure 366.
Breathe assembly 300 and also comprise the blocking mechanism 340 that is attached to the first respiratory component 320.Specifically, can blocking mechanism 340 be remained to the first respiratory component 320 by covering 350.Blocking mechanism 340 comprises the first breech lock and the second breech lock 344a and 344b, when by blocking mechanism and the assembling of the first respiratory component, described breech lock is inwardly outstanding towards the first axial passage 334, make them engage at least one holding structure 366, thereby stop the first respiratory component 320 to depart from from the second respiratory component 340.In this exemplary embodiment, the first breech lock and the second breech lock 344a and 344b are parts for the U-shaped structure be made up of elastomeric material.But, such as various other shapes of V-arrangement or straight flange shape within the scope of the invention.The first breech lock 344a is arranged on a side of axial passage 334, and the second breech lock 344b is arranged on the opposite side (preferably, relative with the second breech lock 344b) of axial passage 334.In this exemplary embodiment, each breech lock has free end 346a or 346b.
Exemplary breech lock 344a and 344b are connected to each other by elastic component 342, and described elastic component makes to illustrate U-shaped or bracket columnar structure is complete.Elastic component 342 can be attached to arm, or can form with arm entirety.In this exemplary embodiment, actuator 346(is depicted as button) be arranged on a side relative with 346b side with free end 346a breech lock 344a and 344b blocking mechanism 340.Actuator 346 can be connected to breech lock via elongated transition member 347.In the time that blocking mechanism is assembled, transition member 347 can be housed inside in the groove forming by wall 329.Free end 346a and 346b can be constructed to cooperate with block piece 347, and when apply power to actuator on direction F time, described block piece makes breech lock 344a and 344b deflection away from each other.
Fig. 5 illustrates the exemplary breathing assembly breathing of another kind according to the present invention assembly 400.In this exemplary embodiment, breathe assembly 400 and comprise malleation personal respiratory protection device.Breathe assembly 400 and comprise the first respiratory component 420(here, clean air source) and the second respiratory component 480(is here, head-shield).The second respiratory component 480 comprises the unsettled cover 412 of shape.But in other exemplary embodiments, element 412 can be headgear or the rigidity headgear that maybe can comprise the dimensionally stable that surge protection can be provided.The second respiratory component 480 also comprises head band tool 414, and described one or more dimension adjustable with tool, to make its size can conform to user 418 head 416.The size of cover 412 can be designed to extend at least front and the over top of user's head, or extends to whole above-head.
The air inlet pipe 406 of manifold 402 extends through the air inlet openings 438 of headgear 480, and comprises breathable air supply source 422 via the air hose 424 that is attached to air inlet pipe 406 with clean air source 420() fluid is communicated with.The forms such as breathable air pressurized tank, powered air purifying respirator (PAPR) or another breathable air source providing can be provided this type of supply source 422.The blocking mechanism 440 of this exemplary embodiment is attached to the second respiratory component 480 for releaseably the first respiratory component 420 being connected to the second respiratory component 480.Blocking mechanism 440 can comprise described in the present invention or shown in suitable construction in any amount of structure or combination.Preferably, blocking mechanism 440 is arranged near air inlet pipe 406.But in other exemplary embodiments, blocking mechanism 440 can be attached at another location or be attached to the first respiratory component 420.
Fig. 6 illustrates the exemplary breathing assembly breathing of another kind according to the present invention assembly 500.In this exemplary embodiment, breathe the parts that assembly 500 comprises malleation personal respiratory protection device.Breathe assembly 500 and comprise the first respiratory component 520(here, turbine unit) and the second respiratory component 580(is here, flexible pipe).This type of turbine unit comprises fan conventionally in its shell, for the motor of drive fan, for power supply and one or more filter of motor.In operation, fan is drawn into surrounding air in turbine unit, filters surrounding air there by one or more filters, then provides it to user via flexible pipe 580.
The blocking mechanism 540 of this exemplary embodiment is attached to the first respiratory component 520 for releaseably the first respiratory component 520 being connected to the second respiratory component 580.Blocking mechanism 540 can comprise described in the present invention or shown in suitable construction in any amount of structure or combination.Preferably, blocking mechanism 540 is arranged near escape pipe 506.But in other exemplary embodiments, blocking mechanism 540 can be attached at another location or be attached to the first respiratory component 520.
Therefore, those skilled in the art it is evident that, concrete example arrangement disclosed herein, structure, details, configuration etc. can be substituted in many examples, revise and/or combine.For example, blocking mechanism as herein described can use together with multiple alternative breathing assembly.Inventor imagines all these type of variations and combines all within the scope of the invention.Therefore, scope of the present invention should not be limited to specific illustrative structure as herein described, and should be limited by the equivalents of the described structure of the language of claims and these structures.If at this description be incorporated to by reference between the disclosure in any file herein and have conflict or repugnance, be as the criterion with this description.
Claims (20)
1. breathe an assembly, comprising:
The first respiratory component, described the first respiratory component comprises receiving surface, described receiving surface has the first axial passage therein;
The second respiratory component, described the second respiratory component comprises at least one holding structure and the second axial passage, described the second axial passage is constructed to and size is designed to arrange communicatively with described the first axial passage fluid, makes described the second respiratory component form being connected of sealing with the described receiving surface of described the first respiratory component;
Be attached to the blocking mechanism of described the first respiratory component, at least one breech lock and latch actuator that described blocking mechanism comprises elastic component, inwardly gives prominence to towards described the first axial passage;
Wherein said at least one breech lock can engage at least one holding structure, thereby stops described the first respiratory component to depart from from described the second respiratory component; And
Wherein, in the time applying power to described latch actuator, described at least one breech lock can depart from from described holding structure, thereby allows described the first respiratory component to depart from from described the second respiratory component.
2. breathing assembly according to claim 1, wherein said the second respiratory component also comprises annular projection, described holding structure is arranged on described annular projection, and containment member is arranged between described receiving surface and described annular projection.
3. breathing assembly according to claim 2, wherein said the first respiratory component also comprises and being arranged on described receiving surface and around the annular projection of described the first axial passage, the described annular projection of described the first respiratory component is constructed to and size is configured to receive in the described annular projection of described the second respiratory component.
4. breathing assembly according to claim 1, wherein said the first respiratory component and the second respiratory component comprise anti-rotation element separately.
5. breathing assembly according to claim 3, wherein said the first respiratory component and the second respiratory component comprise the anti-rotation element that coordinates with described the first annular projection and the adjacent setting of the second annular projection separately.
6. breathing assembly according to claim 1, wherein said holding structure comprises projection, depression or their combination.
7. breathing assembly according to claim 1, wherein said blocking mechanism is included in the relative both sides of described the first axial passage towards described the first axial passage inside outstanding the first breech lock and the second breech lock, and wherein, in the time applying power to described latch actuator, described the first breech lock and the second breech lock can move away from described the first axial passage.
8. breathe an assembly, comprising:
The first respiratory component, described the first respiratory component has the mouth for releaseably described the first respiratory component being connected to the second respiratory component, described mouth is included in the receiving surface wherein with the first axial passage, described the first respiratory component also comprises the blocking mechanism that is attached to described the first respiratory component, at least one breech lock and latch actuator that described blocking mechanism comprises elastic component, inwardly gives prominence to towards described the first axial passage;
Wherein, in the time applying power to described latch actuator, described at least one breech lock can move away from described the first axial passage.
9. breathing assembly according to claim 8, wherein said mouth also comprises and being arranged on described receiving surface and around the annular projection of described the first axial passage.
10. breathing assembly according to claim 9, wherein said mouth also comprises at least one lug with the adjacent setting of described annular projection.
11. breathing assemblies according to claim 8, wherein said mouth also comprises the groove around described the first axial passage.
12. breathing assemblies according to claim 8, wherein said blocking mechanism is included in the relative both sides of described the first axial passage towards described the first axial passage inside outstanding the first breech lock and the second breech lock, and wherein, in the time applying power to described latch actuator, described the first breech lock and the second breech lock can move away from described the first axial passage.
13. breathing assemblies according to claim 12, wherein said elastic component comprises the flexible carrier with two openends, and described the first breech lock and the second breech lock comprise first-phase offside and the second-phase offside of near the described bracket described two openends that are positioned at described flexible carrier.
14. breathing assemblies according to claim 8, wherein said latch actuator comprises button.
15. breathing assemblies according to claim 8, wherein said blocking mechanism comprises on the relative both sides that are arranged on described the first axial passage and has towards inwardly the first arm and second arm of outstanding part of described the first axial passage, and wherein said latch actuator comprises each the end in described the first arm and the second arm.
16. axial flow of fluid coupling assemblies according to claim 15, wherein said the first arm and the second arm can rotate around pin.
17. axial flow of fluid coupling assemblies according to claim 15, wherein said elastic component has bowed shape.
18. axial flow of fluid coupling assemblies according to claim 15, wherein near the described end of described the first arm and the second arm, described the first arm intersects with described the second arm.
Breathe assembly, comprising for 19. 1 kinds:
The first respiratory component, described the first respiratory component has the mouth for releaseably described the first respiratory component being connected to the second respiratory component, describedly mouthful be included in the projection wherein with axial passage, and comprise the maintenance shoulder on the outer surface that is arranged on described projection and be arranged on the containment member on the outer end of described annular projection.
20. breathing assemblies according to claim 19, wherein said the first respiratory component comprises anti-rotation element.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201161513839P | 2011-08-01 | 2011-08-01 | |
| US61/513,839 | 2011-08-01 | ||
| PCT/US2012/048919 WO2013019764A2 (en) | 2011-08-01 | 2012-07-31 | Respiratory assembly including latching mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103813833A true CN103813833A (en) | 2014-05-21 |
| CN103813833B CN103813833B (en) | 2017-07-14 |
Family
ID=46650917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280036550.8A Expired - Fee Related CN103813833B (en) | 2011-08-01 | 2012-07-31 | Breathing component including blocking mechanism |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP2739362A2 (en) |
| JP (2) | JP6579751B2 (en) |
| KR (1) | KR20140068041A (en) |
| CN (1) | CN103813833B (en) |
| AU (1) | AU2012290229B2 (en) |
| BR (1) | BR112014002143A2 (en) |
| IN (1) | IN2014CN00654A (en) |
| RU (1) | RU2572172C2 (en) |
| WO (1) | WO2013019764A2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI583425B (en) * | 2014-10-17 | 2017-05-21 | 山凊股份有限公司 | Hood type gas mask |
| CN107530561A (en) * | 2016-03-09 | 2018-01-02 | 株式会社重松制作所 | Dismount connector |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AR095434A1 (en) * | 2013-03-15 | 2015-10-14 | Scott Tech Inc | RESPIRATOR FILTER INTERFACE |
| US9814913B2 (en) | 2013-11-15 | 2017-11-14 | 3M Innovative Properties Company | Respirator with floating elastomeric sleeve |
| GB2515847B (en) | 2013-12-04 | 2015-05-27 | Design Reality Ltd | Respirators |
| DE102017007497A1 (en) * | 2017-08-08 | 2019-02-14 | Daimler Ag | Filter element for an air filter of a motor vehicle and air filter |
| RU206435U1 (en) * | 2021-07-21 | 2021-09-13 | Сергей Владимирович Давыдов | ANTI-AEROSOL MASK |
| GB2623077A (en) * | 2022-10-03 | 2024-04-10 | Avon Polymer Prod Ltd | Respirator |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4111197A (en) * | 1976-03-05 | 1978-09-05 | Dragerwerk Aktiengesellschaft | Respiratory device coupling construction |
| JPH09192246A (en) * | 1996-01-17 | 1997-07-29 | Shikoku Electric Power Co Inc | Dust protective mask |
| JPH1199214A (en) * | 1997-09-29 | 1999-04-13 | Koken Ltd | Dustproof mask |
| US6055983A (en) * | 1997-03-11 | 2000-05-02 | Parmelee Industries | Respirator filtration device |
| US20020005199A1 (en) * | 1999-12-23 | 2002-01-17 | Klaus Schmidtke | Connecting part of a breathing mask |
| CN1516609A (en) * | 2001-05-11 | 2004-07-28 | �Ƚ�װ�ù�˾ | Respirator facepieces |
| JP2005270492A (en) * | 2004-03-26 | 2005-10-06 | Koken Ltd | Mask |
| CN101314065A (en) * | 2007-06-02 | 2008-12-03 | 德拉格医疗股份两合公司 | Carbon dioxide absorber for a reverse breathing system |
| CN101784305A (en) * | 2007-08-31 | 2010-07-21 | 3M创新有限公司 | Unitary respirator with molded thermoset elastomeric elements |
| CN101878054A (en) * | 2007-11-16 | 2010-11-03 | Msa奥尔有限责任公司 | Mask body for a respiratory half-mask |
Family Cites Families (42)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4280491A (en) | 1980-03-07 | 1981-07-28 | Minnesota Mining And Manufacturing Company | Powered air respirator |
| US4437460A (en) | 1980-10-17 | 1984-03-20 | Sabre Safety Limited | Breathing apparatus |
| US4462399A (en) | 1981-10-02 | 1984-07-31 | Minnesota Mining And Manufacturing Company | Powered air respirator and cartridge |
| US4422861A (en) | 1982-02-05 | 1983-12-27 | American Optical Corporation | Aerosol filter cartridge |
| GB2122094B (en) | 1982-06-14 | 1986-04-09 | Sabre Safety Ltd | Improvements to breathing apparatus |
| US4548626A (en) | 1984-04-30 | 1985-10-22 | Figgie International Inc. | Particulate air filter assembly |
| CA1266854A (en) | 1985-08-28 | 1990-03-20 | David L. Braun | Bonded adsorbent structures and respirators incorporating same |
| JPH0649085B2 (en) | 1985-11-15 | 1994-06-29 | ブリティッシュ・テクノロジー・グループ・リミテッド | Respiratory protection for dust with self-contained electric fan |
| US4850346A (en) | 1986-10-20 | 1989-07-25 | Wgm Safety Corp. | Respirator |
| US4934361A (en) | 1986-10-20 | 1990-06-19 | Wgm Safety Corp. | Respirator |
| US4965887A (en) | 1987-11-12 | 1990-10-30 | John A. Paoluccio | Face protector for splash and spatter protection |
| GB2215615B (en) | 1988-03-21 | 1991-12-18 | Sabre Safety Ltd | Breathing apparatus |
| CA1312831C (en) | 1988-09-22 | 1993-01-19 | Pierre P. Meunier | Compression seal canister |
| US4867487A (en) * | 1988-11-30 | 1989-09-19 | General Motors Corporation | Quick connect coupling |
| US5063926A (en) | 1990-04-12 | 1991-11-12 | Donaldson Company, Inc. | Respirator cartridge with sealant dispersion member |
| US5036844A (en) | 1990-06-19 | 1991-08-06 | Mine Safety Appliances Company | Cover assembly and pre-filter for a respirator |
| JPH0471957U (en) * | 1990-11-06 | 1992-06-25 | ||
| US5222488A (en) | 1991-07-11 | 1993-06-29 | Donaldson Company, Inc. | Respirator air filter cartridge with a replaceable filter element |
| JP2508215Y2 (en) * | 1992-06-02 | 1996-08-21 | 川重防災工業株式会社 | Tube connection device |
| US5344626A (en) | 1992-06-26 | 1994-09-06 | Minnesota Mining And Manufacturing Company | Dual impregnated activated carbon |
| US5753343A (en) | 1992-08-04 | 1998-05-19 | Minnesota Mining And Manufacturing Company | Corrugated nonwoven webs of polymeric microfiber |
| DE69417041T2 (en) | 1993-08-17 | 1999-07-15 | Minnesota Mining & Mfg | METHOD FOR CHARGING ELECTRIC FILTER MEDIA |
| US5579761A (en) | 1995-01-20 | 1996-12-03 | Minnesota Mining And Manufacturing Company | Respirator having snap-fit filter cartridge |
| US6216693B1 (en) | 1995-01-20 | 2001-04-17 | 3M Innovative Properties Company | Respirator having a compressible press fir filter element |
| US5696199A (en) | 1995-12-07 | 1997-12-09 | Minnesota Mining And Manufacturing Company | Pressure-sensitive adhesive polyacrylate polymer and method of making |
| US5924420A (en) | 1996-09-24 | 1999-07-20 | Minnesota Mining And Manufacturing Company | Full face respirator mask having integral connectors disposed in lens area |
| US6186140B1 (en) | 1997-03-14 | 2001-02-13 | 3M Innovative Properties Company | Respiratory filter element having a storage device for keeping track of filter usage and a system for use therewith |
| US6478025B1 (en) | 1997-03-20 | 2002-11-12 | Tayco | Firefighting hood and SCBA face mask system |
| US6014971A (en) | 1997-08-15 | 2000-01-18 | 3M Innovative Properties Company | Protective system for face and respiratory protection |
| US6238466B1 (en) | 1997-10-01 | 2001-05-29 | 3M Innovative Properties Company | Electret articles and filters with increased oily mist resistance |
| US6432175B1 (en) | 1998-07-02 | 2002-08-13 | 3M Innovative Properties Company | Fluorinated electret |
| US6139308A (en) | 1998-10-28 | 2000-10-31 | 3M Innovative Properties Company | Uniform meltblown fibrous web and methods and apparatus for manufacturing |
| US6627563B1 (en) | 1999-08-19 | 2003-09-30 | 3M Innovative Properties Company | Oily-mist resistant filter that has nondecreasing efficiency |
| US6406657B1 (en) | 1999-10-08 | 2002-06-18 | 3M Innovative Properties Company | Method and apparatus for making a fibrous electret web using a wetting liquid and an aqueous polar liquid |
| US6454986B1 (en) | 1999-10-08 | 2002-09-24 | 3M Innovative Properties Company | Method of making a fibrous electret web using a nonaqueous polar liquid |
| US6375886B1 (en) | 1999-10-08 | 2002-04-23 | 3M Innovative Properties Company | Method and apparatus for making a nonwoven fibrous electret web from free-fiber and polar liquid |
| US6743464B1 (en) | 2000-04-13 | 2004-06-01 | 3M Innovative Properties Company | Method of making electrets through vapor condensation |
| US6575165B1 (en) | 2000-08-03 | 2003-06-10 | 3M Innovative Properties Company | Apparatus and method for breathing apparatus component coupling |
| US7320722B2 (en) | 2004-10-29 | 2008-01-22 | 3M Innovative Properties Company | Respiratory protection device that has rapid threaded clean air source attachment |
| RU47752U1 (en) * | 2005-04-13 | 2005-09-10 | Открытое акционерное общество "Сорбент" | PANORAMIC MASK |
| JP4646756B2 (en) * | 2005-09-20 | 2011-03-09 | 株式会社パイオラックス | Shaft fixing structure |
| US7594510B2 (en) * | 2006-03-31 | 2009-09-29 | 3M Innovative Properties Company | Respiratory protection device |
-
2012
- 2012-07-31 KR KR1020147005121A patent/KR20140068041A/en not_active Application Discontinuation
- 2012-07-31 IN IN654CHN2014 patent/IN2014CN00654A/en unknown
- 2012-07-31 JP JP2014524019A patent/JP6579751B2/en not_active Expired - Fee Related
- 2012-07-31 BR BR112014002143A patent/BR112014002143A2/en not_active IP Right Cessation
- 2012-07-31 AU AU2012290229A patent/AU2012290229B2/en not_active Ceased
- 2012-07-31 WO PCT/US2012/048919 patent/WO2013019764A2/en active Application Filing
- 2012-07-31 EP EP12746210.9A patent/EP2739362A2/en not_active Withdrawn
- 2012-07-31 CN CN201280036550.8A patent/CN103813833B/en not_active Expired - Fee Related
- 2012-07-31 RU RU2014103317/12A patent/RU2572172C2/en not_active IP Right Cessation
-
2018
- 2018-04-04 JP JP2018072306A patent/JP2018126547A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4111197A (en) * | 1976-03-05 | 1978-09-05 | Dragerwerk Aktiengesellschaft | Respiratory device coupling construction |
| JPH09192246A (en) * | 1996-01-17 | 1997-07-29 | Shikoku Electric Power Co Inc | Dust protective mask |
| US6055983A (en) * | 1997-03-11 | 2000-05-02 | Parmelee Industries | Respirator filtration device |
| JPH1199214A (en) * | 1997-09-29 | 1999-04-13 | Koken Ltd | Dustproof mask |
| US20020005199A1 (en) * | 1999-12-23 | 2002-01-17 | Klaus Schmidtke | Connecting part of a breathing mask |
| CN1516609A (en) * | 2001-05-11 | 2004-07-28 | �Ƚ�װ�ù�˾ | Respirator facepieces |
| JP2005270492A (en) * | 2004-03-26 | 2005-10-06 | Koken Ltd | Mask |
| CN101314065A (en) * | 2007-06-02 | 2008-12-03 | 德拉格医疗股份两合公司 | Carbon dioxide absorber for a reverse breathing system |
| CN101784305A (en) * | 2007-08-31 | 2010-07-21 | 3M创新有限公司 | Unitary respirator with molded thermoset elastomeric elements |
| CN101878054A (en) * | 2007-11-16 | 2010-11-03 | Msa奥尔有限责任公司 | Mask body for a respiratory half-mask |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI583425B (en) * | 2014-10-17 | 2017-05-21 | 山凊股份有限公司 | Hood type gas mask |
| CN107530561A (en) * | 2016-03-09 | 2018-01-02 | 株式会社重松制作所 | Dismount connector |
| CN107530561B (en) * | 2016-03-09 | 2020-06-30 | 株式会社重松制作所 | Detachable connector |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013019764A3 (en) | 2013-12-19 |
| EP2739362A2 (en) | 2014-06-11 |
| WO2013019764A2 (en) | 2013-02-07 |
| JP2014524280A (en) | 2014-09-22 |
| RU2014103317A (en) | 2015-09-10 |
| IN2014CN00654A (en) | 2015-04-03 |
| JP2018126547A (en) | 2018-08-16 |
| BR112014002143A2 (en) | 2017-02-21 |
| JP6579751B2 (en) | 2019-09-25 |
| AU2012290229B2 (en) | 2015-11-12 |
| CN103813833B (en) | 2017-07-14 |
| RU2572172C2 (en) | 2015-12-27 |
| KR20140068041A (en) | 2014-06-05 |
| AU2012290229A1 (en) | 2014-02-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20170266472A1 (en) | Respiratory Assembly Including Latching Mechanism | |
| CN103813833A (en) | Respiratory assembly including latching mechanism | |
| AU2017258864B2 (en) | Respirator with floating elastomeric sleeve | |
| AU2008308953B2 (en) | Respirator hose and attachment apparatus and method | |
| US6817362B2 (en) | Respirator | |
| US6883518B2 (en) | Unidirectional respirator valve | |
| US9517367B2 (en) | Respiratory mask having a clean air inlet chamber | |
| US8955516B2 (en) | Face seals for respirators and method of manufacturing respirators | |
| US20020195109A1 (en) | Respirator valve | |
| US20100224194A1 (en) | Respirator Flow Control Apparatus and Method | |
| JP2008517710A (en) | Respiratory protection device with quick screwed clean air source attachment | |
| US20230137526A1 (en) | Respirator mask | |
| KR101218787B1 (en) | The Dust Respirator | |
| WO2020229939A1 (en) | Facepiece chin retention feature | |
| RU96488U1 (en) | MEANS OF INDIVIDUAL PROTECTION OF HUMAN RESPIRATORY BODIES |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170714 Termination date: 20200731 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |