US20050087556A1 - Metering device for syrups and other fluids - Google Patents
Metering device for syrups and other fluids Download PDFInfo
- Publication number
- US20050087556A1 US20050087556A1 US10/497,357 US49735704A US2005087556A1 US 20050087556 A1 US20050087556 A1 US 20050087556A1 US 49735704 A US49735704 A US 49735704A US 2005087556 A1 US2005087556 A1 US 2005087556A1
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- United States
- Prior art keywords
- bellows
- metering device
- control member
- components
- regulating
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
- B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
- B65D41/26—Caps or cap-like covers serving as, or incorporating, drinking or measuring vessels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
- B65D41/32—Caps or cap-like covers with lines of weakness, tearing-strips, tags, or like opening or removal devices, e.g. to facilitate formation of pouring openings
- B65D41/34—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt
- B65D41/3442—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with rigid bead or projections formed on the tamper element and coacting with bead or projections on the container
- B65D41/3447—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with rigid bead or projections formed on the tamper element and coacting with bead or projections on the container the tamper element being integrally connected to the closure by means of bridges
- B65D41/3452—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with rigid bead or projections formed on the tamper element and coacting with bead or projections on the container the tamper element being integrally connected to the closure by means of bridges with drive means between closure and tamper element
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D50/00—Closures with means for discouraging unauthorised opening or removal thereof, with or without indicating means, e.g. child-proof closures
- B65D50/02—Closures with means for discouraging unauthorised opening or removal thereof, with or without indicating means, e.g. child-proof closures openable or removable by the combination of plural actions
- B65D50/04—Closures with means for discouraging unauthorised opening or removal thereof, with or without indicating means, e.g. child-proof closures openable or removable by the combination of plural actions requiring the combination of simultaneous actions, e.g. depressing and turning, lifting and turning, maintaining a part and turning another one
- B65D50/045—Closures with means for discouraging unauthorised opening or removal thereof, with or without indicating means, e.g. child-proof closures openable or removable by the combination of plural actions requiring the combination of simultaneous actions, e.g. depressing and turning, lifting and turning, maintaining a part and turning another one where one action elastically deforms or deflects at least part of the closure, the container or an intermediate element, e.g. a ring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D83/00—Containers or packages with special means for dispensing contents
- B65D83/0055—Containers or packages provided with a flexible bag or a deformable membrane or diaphragm for expelling the contents
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F11/00—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
- G01F11/02—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement
- G01F11/08—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement of the diaphragm or bellows type
- G01F11/082—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement of the diaphragm or bellows type of the squeeze container type
Abstract
The container (1) with dispensing nozzle (5) also comprises bellows (12); an external bellows control member (24), controlling the bellows to push the fluid out of the nozzles is regulated by means of a threaded device (1G, 20) which regulates the stroke in order to set the volume of fluid to be dispensed at each stroke.
Description
- The invention relates to a metering device for liquids—such as syrups or other—which characteristically also forms the container of said liquid to be measured out.
- The main object of the invention is to provide a practical, convenient way for metering out the required doses, which can easily be defined without complex operations and without the need for objects which do not belong to the packaging.
- These and other objects and advantages will be described in the text that follows.
- The metering device according to the invention substantially comprises: a container with dispensing nozzle piece; bellows defining at least part of the volume of the container; an external bellows control member to make the bellows collapse and push the fluid out of the nozzle; and means for regulating the stroke of said external bellows control member to predefine the volume of fluid to be dispensed at each stroke.
- The bellows can be made of elastic shape memory material so that the bellows can re-expand and either ensure or facilitate the return stroke of said external control member.
- The external control member stroke regulating device of the bellows can essentially comprise two reciprocally angularly adjustable components.
- According to a possible embodiment, said device can comprise a threaded coupling between said two components to adjust the position of a pawl along the axis of the bellows and means for reading the reciprocal rotation between the two components of said threaded coupling. The bellows may even be helical in shape to form one of the threaded coupling components.
- According to another possible embodiment, said external control member stroke regulating device of the bellows can comprise a first component, forming a plurality of grooves of different length, and a second component, which is slidingly mobile with respect to the first component, provided with at least one ridge capable of sliding in either one or the other of said grooves, and which is angularly adjustable with respect to said first component to position said at least one ridge in correspondence with one of the grooves. These grooves are preferably longitudinal.
- Advantageously, said two components of the regulating device can comprise cavities or grooves and pins to define a plurality of reciprocal angular positions corresponding to an equal number of doses.
- The invention will now be better understood following the description and the accompanying drawing, which shows a practical non limitative example of the invention. In the drawings:
-
FIGS. 1 and 2 show a first embodiment of a cap according to an external partial cross-sectional view in two positions; -
FIG. 3 is a transversal cross-sectional view according to III-III ofFIG. 1 ; -
FIGS. 4 and 5 show a second embodiment similarly asFIGS. 1 and 2 ; -
FIGS. 6, 7 and 8 show a view and partial cross-sectional view according to VI-VI, a transversal cross-sectional view according to VII-VII inFIG. 5 , and a partial cross-sectional view according to VIII-VIII inFIG. 7 , of the external member only; -
FIGS. 9 and 10 show views and partial cross-sectional views of a different embodiment of FIGS. from 1 to 3, in two positions; -
FIGS. 11 and 12 show an additional embodiment. - FIGS. 1 to 3 show a solution in which reference numeral 1 indicates the container for the liquid to be dispensed by setting doses, which can be made of synthetic resin susceptible of being flexible and elastic and whose thickness is limited. Particularly, the container 1 includes: an exposed
section 1A with a larger diameter; a threadedneck 1B, which is used to screw and unscrew acap 3 on it; a terminal 1C—also threaded—used to engage a dispensing piece or nozzle or “pacifier” 5 made of elastic material with an outlet hole 5A. Said dispensing piece ornozzle 5 can present an internal helical ridge 56, which applies a braking action on the fluid output to prevent involuntary release through thehole 5A. Thecap 3 is provided with aninternal appendix 3A susceptible of closing theoutlet hole 5A when thecap 3 is in closed position (FIG. 1 ); thecap 3 also presents acrown 3B which centers and closes thenozzle 5 and thecap 3. - The
cap 3 may be equipped with a safety, or so-called “childproof” device, allowing the removal of the cap only following a combined unthreading and releasing action; this safety device can be implemented in any known way for this function. According to the example shown, at least one or preferably twoopposite tabs 3C are arranged along the open terminal part of the cap; thetabs 3C can bend inwards when pressed radially to release therespective appendixes 3E of saidtabs 3C fromcorresponding teeth 1D projecting from a step formed by the container 1 between thesection 1A and the threadedneck 1B. Thanks to this arrangement, thecap 3 can be turned and released from theneck 1B of the container 1 only by pressing thetabs 3C. - The
cap 3 can additionally be equipped with a quality seal, which can traditionally consist of aterminal collar 3H of thecap 3, connected to said cap by means of thin links, capable of being easily sheared the first time that thecap 3 is opened and released from the threadedneck 1 B; this system can form the quality seal. A contouredtooth 3K may be arranged on saidcollar 3H to shear said links by penetrating in a corresponding indent formed in the edge of thecap 3 to facilitate turning thecollar 3H and shearing said links connecting thecap 3 to thecollar 3H. - The
cap 3, made in this or other ways, may also be used as a measuring cup, e.g., to form a mixture with the addition of a solvent to a freeze-dry product, a soluble powder, or other material originally contained in container 1, after the first cap opening operation, for forming a syrup or other liquid product on the spot, with the addition through theneck 1C of a certain amount of solvent to the product to be dissolved. - The container 1 presents a
section 1 E whose diameter is smaller than that ofsection 1A, where a projectingring 9 is provided (also seeFIG. 3 ) havingcavities 9A, for the purposes set forth herein after. The container 1 continues with a section 1F, which in part presents a projectingthreading 1G; the container 1 continues—over astep offset 1H—with acylindrical section 1K, which is combined withbellows 12, which can either be part ofsection 1K of the container 1 or applied to and communicating with the container. Thebellows 12 are capable of dilating elastically from a collapsed position shown inFIG. 1 to an elastically dilated position to ensure changes in volume which can be adjusted to form the required dose to be measured out. Thebellows 12 must be designed to reach a spontaneous elastic dilatation also exceeding that illustrated inFIG. 2 , which represents the change in volume forming the maximum dispensable unitary dose. -
Reference numeral 16 indicates a sleeve which essentially covers thesections 1E and 1F and thering 9, whichsleeve 16 is essentially rigid to ensure the maintenance of the shape ofsections sleeve 16 forms an operating grip for the dispensing operations described later, despitesections sleeve 16 presents one or more internal ridges or an innerannular ridge 16R, which can exceed thering 9 in assembly but which contrasts saidring 9 to prevent accidentally loosening of thesleeve 16. - The
sleeve 16 presents one or more longitudinal projections 18 (also seeFIG. 3 ) capable of co-operating with thecavities 9A of thering 9 to allow a sequence of angular movements to preset positions of thesleeve 16 with respect to the ring 9 (and consequently to the container 1), in addition to permitting relative longitudinal movements. Aninternal threading 20 capable of coupling with threading 1G of the container 1 is also made inside thesleeve 16. Thesleeve 16 also presents astep 16A and anextension 16B leading to a terminal internalannular stop 22. Theextension 16B and the internalannular stop 22 partially surround thesmaller diameter section 1K. -
Reference numeral 24 indicates an external control member of thebellows 12 for performing the dispensing operation; theexternal control member 24 essentially consists of a cylindrical cup and is fitted onsection 1K of the container 1 and on thebellows 12, being capable of sliding with respect to these parts and arranged between thesection 1K and theextension 16B of thesleeve 16. Thisexternal control member 24 presents anexternal stop ring 24A capable of cooperating with the internalannular stop 22 which is on the end of theextension 16B of thesleeve 16. - In the conditions shown in
FIG. 1 of the container 1 and thesleeve 16—regardless of the application or removal of thecap 3—the whole formed by container 1 andsleeve 16 is in a non-dispensing position which can be indicated by a “0” visible through a window 26 (seeFIG. 2 ) in thesleeve 16. In this condition, thesleeve 16 is essentially entirely fastened with itsown threading 20 on thethreading 1G of the section 1F of the container 1, reason for which thestep 16A of thesleeve 16 stops against theoffset 1H, between the section 1F and thesection 1K of the container 1. In this condition, thecontrol member 24 is engaged between saidstop 1H (included betweensections 1F and 1K) and the internalannular stop 22, which withholds thestop ring 24A of saidcontrol member 24. In this condition, thecontrol member 24 cannot move axially. By rotating thesleeve 16 with respect to the container 1 the sleeve is loosened and moves axially, so that thewindow 26 of the sleeve corresponds to one or the other of a plurality of markings formed and helically arranged on the external surface of thesection 1 E of the container 10 (seeFIG. 1 and 2). The various markings correspond to respective doses which appear throughwindow 26—or through each of the two ormore windows 26—for reading the axial position reached by thesleeve 16 corresponding to the markings. By loosening thesleeve 16, the terminal internalannular stop 22 is distanced from thestop 1 H between thesections 1F and 1K. In this way, thecontrol member 24 can move axially—as N—as appears from the comparison ofFIG. 1 and 2. Note that bellows 12 in home position—i.e. not compressed—are in extended position; the volume inside thebellows 12 is either equal to or even much higher than the maximum dose which is required for a unitary dispensed dose of the content of the container 1. The elastic dilatation stress applied by thebellows 12 makes thebellows 12 dilate according to the axial excursion which is offered by thecontrol member 24 by the progressive loosening of thesleeve 16 on thethreading 1G of the container 1. The sliding possibility (N) of thecontrol member 24 is read according to the loosening imposed by thesleeve 16 with respect to the container 1 and can be ascertained by reading the marking which appears in correspondence with thewindow 26. In this way, it is possible to read the dose which can be dispensed according to the allowed axial stroke of thecontrol member 24, when this is pressed according to arrow f24 to partially compress thebellows 12 and distance thestop ring 24A from theannular stop 22 against thestop step 1H, between thesections 1F and 1K of the container 1 or until the bellows reach the stop. - To dispense the fluid, the
cap 3 is removed, the whole is directed with thenozzle 5 down and, after having loosened thesleeve 16 until a unitary required dose is read, the control member is pressed in the direction of the arrow f24. This increases the internal pressure and causes the contents to flow through thenozzle 5 until the balance between internal and external pressure is re-established. The presence of the helical ridge makes the flow regular and prevents irregularities caused by sudden dynamic stress. The dose to be dispensed can be established as the unitary dose; multiple doses of the unitary dose are obtained by several strokes which are axially imposed in sequence by thecontrol member 24. - The whole can be kept in the preset dose condition during the period of use of the contents, between one dispensing operation and the other of each of unitary doses which can be obtained by one or more strokes of the member, and each time the cap can be simply opened or closed. At the end of use, the
sleeve 16 can be returned to the condition in which 16A is stopped against 1H—consequently to the original packing condition of the container—and thecap 3 can be applied onto thethreading 1B of the container 1. Essentially, the dose setting obtained by turning thesleeve 16 and consequently by its axial sliding due to the effect of the threading coupling, can be kept during the treatment by the user, because the position assumed by thesleeve 16 is held by thecavities 9A and by theridges 18. - The return of the bellows to the condition shown in
FIG. 2 is obtained by elastic dilatation stress. - The possible reduction of the elastic return capacity to expanded configuration of the
bellows 12 does not effect functionality, because the original maximum dilatation of thebellows 12 is considerably higher than the maximum unitary dose which can be obtained using the system herein described. - FIGS. from 4 to 7 illustrate a different solution of the dose metering system, i.e. of the lower part, observing the drawing of the container, with respect to that illustrated in
FIG. 1 and 2; the upper parts are the same. -
Reference numeral 101 indicates the container equivalent to that indicated by reference numeral 1, whose arrangement is similar to 1, 3, 5 illustrated above. Thecontainer 101 presents afirst section 101A, a threadedneck 101B for thecap 3 and anannular cavity 101D for engaging asleeve 116, that is equivalent to the one labeled 16 as concerns the possibility of gripping the whole and the regulation method. Thesleeve 116 surrounds asection 101E which is equivalent to 1E. A subsequent section 101K, slightly smaller in size, extends beyond thestep 101G which divides the twosections 101E, 101K. Bellows 112 develop from section 101K. Thesleeve 116 is withheld by astep 116A, which rests on thestep 101G, the latter being additionally withheld by a small inner annual tooth 1168; the latter is engaged in theannual groove 101D of thecontainer 101. Thesleeve 116 extends over thestep 116A with an externalcylindrical wall 118, which is the continuation of thesleeve 116, and with an internalcylindrical wall 120, which with the external cylindrical wall defines atubular seat 122, whose bottom is open as shown inFIGS. 5 and 6 ; thetubular wall 124A of an external control member 124 (equivalent to that indicted byreference numeral 24 in the previous example), capable of axial movements in the direction of the arrow f124 for dispensing the set dose, penetrates in thetubular seat 122. - The internal surface of the external
cylindrical wall 118 presents a number oflongitudinal grooves 126, with progressively different lengths along the circumference. Preferably, two contiguous sets of saidgrooves 126 may be provided, which are similar and opposite to one another. Atooth 128 formed on the edge of thetubular wall 124A of theexternal control member 124 can slide in either of thesegrooves 126 in either one or both sets: Thetooth 128 is elastic due to the presence of twoslots 130 arranged by the side of thetooth 128, to render it resilient. Both thegrooves 126 and the one or twoopposite teeth 128 are contoured so that theexternal control member 124 can turn to preset positions inside thetubular seat 122, thanks to the elasticity of saidteeth 128, so that the tooth or the pair ofteeth 128 can pass from onegroove 126 to another, seeking the groove whose length corresponds to the stroke which can be imposed by the control member according to thearrow 124 to obtain partial collapse of the bellows 112 according to the required preset dose to be dispensed each time. The angular position sought for thecontrol member 124 with respect to the whole 16, 18 is controlled by a graduated scale arranged circumferentially and a reference on the contiguous external surfaces of thewall 118 and thewall 124A. Aninternal pawl 118X stops the rotation and identifies the zero dosing position. An externalannular ridge 120A of the internalcylindrical wall 120 can cooperate withretainer projections 124C which are suitably distributed and face inwards on thetubular wall 124A to provide sufficient hold to prevent the spontaneous release of theexternal control member 124. - With this arrangement, the stroke according to the arrow f124 required to collapse the bellows 112 to a variable degree is limited to the length of the
longitudinal grooves 126 which are sought by the angular movement of themember 124 with respect to thesleeve 116; the selectedgroove 126 is that whose length corresponds to the thrust stroke according to 124 of the bellows 112 required to obtain the output of the required dose at each stroke imposed by thecontrol member 124 and for the consequent collapse of the bellows 112. The search for thegroove 126 of required length (and consequently the required dose) is obtained by a scale and reference which are visible on the external surfaces of thecylindrical wall 118 andtubular wall 124A. The dose setting can be kept for later operation thanks to the resistance offered by the elasticity ofteeth 128, being sufficient to permit movement of the tooth orteeth 128 to contiguous positions to change the dose to the measured out. -
FIGS. 9 and 10 show a variant of the bellows control system. In this case, thecontainer 301 directly forms abellows 312 which has a helical, i.e. threaded, profile onto which anedge 324A of theexternal control member 324 can be fastened, the latter being fitted onto said helical profile bellows 312. According to this embodiment, in the configuration shown inFIG. 9 , thecontrol member 324 is fastened by contrast between twooffsets 301K of thecontainer control member 324. The required distance N between the twooffsets control member 324 between thegrooves FIG. 10 . In the conditions shown inFIG. 10 theexternal control member 324 can be pushed according to the arrow f324 by an amount N which corresponds to the dosing stroke i.e. to the partial collapse of thebellows 312. The turns of thebellows 312 which are engaged by thethreading 324A of thecontrol member 324 cannot collapse. The selected N stroke which corresponds to the required dose can by controlled by observing the relative angular position of thecontainer 301 and theexternal control member 324 through awindow 326 in the skirt of thecontrol member 324, which window can slide along a graduated scale formed on the external surface of thecontainer 301 according to a helical pattern corresponding to the pitch of the coupledthreads - The position of the
external control member 324 with respect to thecontainer 301 can be ensured by aring 309 provided with cavities (such as that indicated byreference numeral 9 in the first example) cooperating with the longitudinal grooves 318 (equivalent to 18) along the internal surface of the cylindrical wall of thecontrol member 324, to create a limited resistance to spontaneous reciprocal movements of thecontainer 301 with respect to thecontrol member 324, and to identify the preset positions which correspond to the doses observed throughwindow 326 and the helical graduated scale on the external surface of thecontainer 301. - The threaded
edge 324A can present athreading 324A on the outside. The internal visibility of thethreading 324A can be avoided by making the external part of theedge 324A cylindrical. -
FIGS. 11 and 12 show an embodiment in which thecontainer 401 is mostly covered by arigid sleeve 416 which forms the operating grip and is withheld in position by one or moreinternal ridges 416A which contrast aring 409 with cavities (similar to ring 9) formed by thecontainer 401. Thecontainer 401 forms the helical shaped bellows 412 (as the one shown at 312). Thesleeve 416 forms an annular step 41 6B and continuous with acylindrical edge 416C forming the internal threading fastened on the turns of the helical bellows 412. Said bellows 412 project from thecylindrical edge 416C and engage an annular ridge 430A of anoperating cap 430 by means of its ownannual groove 412E. Thecap 430 covers thebellows 412 and reaches step 416B, in the configuration shown inFIG. 11 . - In the conditions shown in
FIG. 11 , the bellows cannot be axially collapsed by applying an axial thrust. Therefore, no unitary dispensing is possible. A relative rotation between theelements container 401 and a window in thesleeve 416 is required to dispense the contents. By causing a relative rotation between thesleeve sleeve 416 is obtained by the helical movement of the threading 416C with respect to the bellows 412 (seeFIG. 12 ). This releases the turns and the factions of turns of thebellows 412; consequently, the bellows can be collapsed by axial thrust in the section N3 causing the output of the unitary dose corresponding to the indication which appears through the window in the sleeve, the whole being turned with the nozzle pointing downwards. Elastic re-expansion of the bellows returns the whole of the position shown inFIG. 12 . - It is noted that the drawing is provided by the way of an example only and that numerous changes can be implemented to the construction and embodiments of the invention herein envisaged without departing from the scope of the present invention. The presence of reference numerals in the annexed claims has the purpose of facilitating comprehension of the claims with reference to the description and does not limit the scope of protection represented by the claims.
Claims (20)
1. A metering device for syrup and other fluids, comprising: container (1, 101, 301) with a dispensing nozzle (5-5A); bellows (12, 112, 312) defining at least one part of the volume of the container; an external bellows control member (24; 124; 324; 430) to make the bellows collapse and push the fluid out of the nozzle; characterized in that:
said control member (24; 124; 324; 430) is slidingly guided by a rigid member (1K; 118; 301; 416; 416C) arranged coaxially around said container;
said control member (24; 124; 324; 430) is arranged opposite said dispensing nozzle (5-5A);
and a regulating device is provided for regulating the stroke of said external bellows control member (24, 124, 324, 416) to predefine the volume of fluid to be dispensed at each stroke.
2. Metering device according to claim 1 , characterized in that said regulating device for regulating the stroke of the external bellows (112) control member (124) comprises a plurality of grooves (126) of different length in said rigid member (118), and at least one projecting tool (128) integral with said control member (124), said projecting tooth being capable of sliding in said grooves (126) and being angularly adjustable with respect to said first component to position said at least one projecting tooth (128) in correspondence with one of said grooves (126).
3. Metering device according to claim 2 , characterized in that said grooves (126) are longitudinal and parallel to the axis of said container.
4. Metering device according to claim 2 , characterized in that the bellows are made of elastic shape memory material to ensure or facilitate the re-expansion of the bellows and thus the return stroke of said external control member (24, 124, 324).
5. Metering device according to claim 1 , characterized in that said regulating device (24, 124, 324), for regulating the stroke of the external bellows control member, comprises two components (1, 16; 116, 124; 301-312, 324; 416, 401-412) which are reciprocally angularly adjustable.
6. Metering device according to claim 5 , characterized in that said two components are provided one on said control member (24; 124; 324; 430) and one on said rigid member (1K; 118, 301; 416; 416C), slidingly guiding said control member.
7. Metering device according to claim 5 , characterized in that said regulating device comprise a threaded coupling (1G, 20; 312, 324A; 416, 412) between said two components (1, 16; 312, 324; 416, 401) to adjust the position of a pawl (1H; 301K) along the axis of the bellows and means for reading the reciprocal rotation between the two components of said threaded coupling.
8. Metering device according to claim 7 , characterized in that the bellows (312, 412) are helical in shape and form one of the threaded coupling components.
9. Metering device according claim 1 , characterized in that said components (1, 16; 302-312,324) of the regulating device comprise cavities and projections (9, 18; 309, 318) capable of defining a plurality of reciprocal angular positions corresponding to an equal number of doses.
10. Metering device according to claim 1 , characterized in that said nozzle (5, 5A) presents and internal helical projection (5B) capable of conditioning the flow of the dosed liquid to be dispensed.
11. Metering device according to claim 1 , characterized in that said nozzle (5, 5A) is made of elastically flexible material.
12. Metering device according to claim 2 , characterized in that said regulating device (24, 124, 324), for regulating the stroke of the external bellows control member, comprises two components (1, 16; 116, 124; 301-312, 324; 416, 401-412) which are reciprocally angularly adjustable.
13. Metering device according to claim 3 , characterized in that said regulating device (24, 124, 324), for regulating the stroke of the external bellows control member, comprises two components (1, 16; 116, 124; 301-312, 324; 416, 401-412) which are reciprocally angularly adjustable.
14. Metering device according to claim 4 , characterized in that said regulating device (24, 124, 324), for regulating the stroke of the external bellows control member, comprises two components (1, 16; 116, 124; 301-312, 324; 416, 401-412) which are reciprocally angularly adjustable.
15. Metering device according to claim 6 , characterized in that said regulating device comprise a threaded coupling (1G, 20; 312, 324A; 416, 412) between said two components (1, 16; 312, 324; 416, 401) to adjust the position of a pawl (1H; 301K) along the axis of the bellows and means for reading the reciprocal rotation between the two components of said threaded coupling.
16. Metering device according claim 2 , characterized in that said components (1, 16; 302-312, 324) of the regulating device comprise cavities and projections (9, 18; 309, 318) capable of defining a plurality of reciprocal angular positions corresponding to an equal number of doses.
17. Metering device according claim 3 , characterized in that said components (1, 16; 302-312, 324) of the regulating device comprise cavities and projections (9, 18; 309, 318) capable of defining a plurality of reciprocal angular positions corresponding to an equal number of doses.
18. Metering device according claim 4 , characterized in that said components (1, 16; 302-312, 324) of the regulating device comprise cavities and projections (9, 18; 309, 318) capable of defining a plurality of reciprocal angular positions corresponding to an equal number of doses.
19. Metering device according claim 5 , characterized in that said components (1, 16; 302-312, 324) of the regulating device comprise cavities and projections (9, 18; 309, 318) capable of defining a plurality of reciprocal angular positions corresponding to an equal number of doses.
20. Metering device according claim 6 , characterized in that said components (1, 16; 302-312, 324) of the regulating device comprise cavities and projections (9, 18; 309, 318) capable of defining a plurality of reciprocal angular positions corresponding to an equal number of doses.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IT2002/000754 WO2003048694A1 (en) | 2001-12-03 | 2002-12-02 | A metering device for syrups and other fluids |
Publications (1)
Publication Number | Publication Date |
---|---|
US20050087556A1 true US20050087556A1 (en) | 2005-04-28 |
Family
ID=34531872
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/497,357 Abandoned US20050087556A1 (en) | 2002-12-02 | 2002-12-02 | Metering device for syrups and other fluids |
Country Status (1)
Country | Link |
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US (1) | US20050087556A1 (en) |
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US20080105715A1 (en) * | 2004-07-08 | 2008-05-08 | Niggemyer F W | Variable tip nozzle and cap assembly for dispensing pouch |
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US20080200905A1 (en) * | 2007-02-09 | 2008-08-21 | Keith Patrick Heaton | System and method for applying reduced pressure at a tissue site |
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US20090254066A1 (en) * | 2006-10-13 | 2009-10-08 | Keith Patrick Heaton | Reduced pressure indicator for a reduced pressure source |
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US20100030166A1 (en) * | 2008-07-11 | 2010-02-04 | Aidan Marcus Tout | Manually-actuated, reduced-pressure systems for treating wounds |
USD743255S1 (en) | 2014-06-16 | 2015-11-17 | Decko Products, Inc. | Nozzle and cap assembly |
WO2017182972A1 (en) * | 2016-04-19 | 2017-10-26 | Flexidose | Dosing dispenser |
US10265441B2 (en) | 2012-09-14 | 2019-04-23 | Kci Licensing, Inc. | System, method, and apparatus for regulating pressure |
CN112804805A (en) * | 2019-11-13 | 2021-05-14 | 新奥科技发展有限公司 | Microwave transmitting antenna of electron cyclotron resonance heating system |
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US20080200905A1 (en) * | 2007-02-09 | 2008-08-21 | Keith Patrick Heaton | System and method for applying reduced pressure at a tissue site |
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WO2017182972A1 (en) * | 2016-04-19 | 2017-10-26 | Flexidose | Dosing dispenser |
CN112804805A (en) * | 2019-11-13 | 2021-05-14 | 新奥科技发展有限公司 | Microwave transmitting antenna of electron cyclotron resonance heating system |
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Legal Events
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STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |