DE29907573U1 - Dynamic mixer for dental impression materials - Google Patents

Dynamic mixer for dental impression materials

Info

Publication number
DE29907573U1
DE29907573U1 DE29907573U DE29907573U DE29907573U1 DE 29907573 U1 DE29907573 U1 DE 29907573U1 DE 29907573 U DE29907573 U DE 29907573U DE 29907573 U DE29907573 U DE 29907573U DE 29907573 U1 DE29907573 U1 DE 29907573U1
Authority
DE
Germany
Prior art keywords
projections
mixer according
rotor
mixing tube
ramp
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.)
Expired - Lifetime
Application number
DE29907573U
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ernst Muehlbauer KG
Original Assignee
Ernst Muehlbauer KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ernst Muehlbauer KG filed Critical Ernst Muehlbauer KG
Priority to DE29907573U priority Critical patent/DE29907573U1/en
Publication of DE29907573U1 publication Critical patent/DE29907573U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C9/00—Impression cups, i.e. impression trays; Impression methods
    • A61C9/0026—Syringes or guns for injecting impression material; Mixing impression material for immediate use
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C5/00—Filling or capping teeth
    • A61C5/60—Devices specially adapted for pressing or mixing capping or filling materials, e.g. amalgam presses
    • A61C5/68—Mixing dental material components for immediate application to a site to be restored, e.g. a tooth cavity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/27—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices
    • B01F27/272—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed axially between the surfaces of the rotor and the stator, e.g. the stator rotor system formed by conical or cylindrical surfaces
    • B01F27/2722—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed axially between the surfaces of the rotor and the stator, e.g. the stator rotor system formed by conical or cylindrical surfaces provided with ribs, ridges or grooves on one surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/27—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices
    • B01F27/272—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed axially between the surfaces of the rotor and the stator, e.g. the stator rotor system formed by conical or cylindrical surfaces
    • B01F27/2723—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed axially between the surfaces of the rotor and the stator, e.g. the stator rotor system formed by conical or cylindrical surfaces the surfaces having a conical shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/19—Mixing dentistry compositions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/2305—Mixers of the two-component package type, i.e. where at least two components are separately stored, and are mixed in the moment of application
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00503—Details of the outlet element
    • B05C17/00516—Shape or geometry of the outlet orifice or the outlet element

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (13)

1. Dynamischer Mischer, insbesondere für die Komponenten von zahnärztlichen Abdruckmassen, dessen eines Ende mit einem Ausbringgerät für die Komponenten verbindbar ist und des­ sen anderes Ende eine Auslaßöffnung (10) für das Gemisch aufweist und der ein Mischrohr (1) sowie einen darin drehbar gelagerten, mit dem Mischrohr (1) einen im Quer­ schnitt ringförmigen Mischkanal (17) begrenzenden Rotor (16) mit äußeren Vorsprüngen (18, 19, 27, 30, 31, 32) um­ faßt, dadurch gekennzeichnet, daß mindestens einer oder einige der Vorsprünge (18, 19, 27, 30, 31, 32) an ihrer (in Richtung ihrer Relativbewegung gegenüber der Masse oder dem Mischrohr) vorderen Seite eine allmählich an­ steigende Rampe (20) aufweisen, an die sich ein verengter Durchflußspalt (25) anschließt.1. Dynamic mixer, in particular for the components of dental impression materials, one end of which can be connected to a dispensing device for the components and the other end of which has an outlet opening ( 10 ) for the mixture and which has a mixing tube ( 1 ) and a rotatably mounted therein , with the mixing tube ( 1 ) a cross-sectional annular mixing channel ( 17 ) delimiting rotor ( 16 ) with outer projections ( 18 , 19 , 27 , 30 , 31 , 32 ), characterized in that at least one or some of the projections ( 18 , 19 , 27 , 30 , 31 , 32 ) have on their front (in the direction of their relative movement with respect to the mass or the mixing tube) a gradually increasing ramp ( 20 ), which is followed by a narrowed flow gap ( 25 ). 2. Mischer nach Anspruch 1, dadurch gekennzeichnet, daß die Vorsprünge (18, 19, 27, 30, 31, 32) eine Kopffläche (24) aufweisen, die mit dem Mischrohr (1) den engen Durchfluß­ spalt (25) einschließt.2. Mixer according to claim 1, characterized in that the projections ( 18 , 19 , 27 , 30 , 31 , 32 ) have a top surface ( 24 ) which includes the narrow flow gap ( 25 ) with the mixing tube ( 1 ). 3. Mischer nach Anspruch 2, dadurch gekennzeichnet, daß die mittlere Weite des Durchflußspalts (25) zwischen einem Zehntel und der Hälfte des mittleren Abstands zwischen Rotor (16) und Mantelrohr (1) beträgt.3. Mixer according to claim 2, characterized in that the average width of the flow gap ( 25 ) is between one tenth and half of the average distance between the rotor ( 16 ) and casing tube ( 1 ). 4. Mischer nach Anspruch 3, dadurch gekennzeichnet, daß die Kopffläche (24) der Vorsprünge (18, 19, 27, 30, 31, 32) nicht kleiner als ein Zwanzigstel des mit den Vorsprüngen (18, 19, 27, 30, 31, 32) ausgerüsteten Flächenteils (26) des Rotors ist.4. Mixer according to claim 3, characterized in that the top surface ( 24 ) of the projections ( 18 , 19 , 27 , 30 , 31 , 32 ) is not less than a twentieth of that with the projections ( 18 , 19 , 27 , 30 , 31 , 32 ) equipped surface part ( 26 ) of the rotor. 5. Mischer nach einem der Ansprüche 1 bis 4, dadurch gekenn­ zeichnet, daß mindestens ein Zehntel der Vorsprünge (18, 19, 27, 30, 31, 32) mit einer Rampe ausgestattet sind.5. Mixer according to one of claims 1 to 4, characterized in that at least one tenth of the projections ( 18 , 19 , 27 , 30 , 31 , 32 ) are equipped with a ramp. 6. Mischer nach einem der Ansprüche 2 bis 5, dadurch gekenn­ zeichnet, daß in mindestens einem Zwanzigstel eines mit Vorsprüngen (18, 19, 27, 30, 31, 32) ausgerüsteten Flä­ chenteils (26) des Rotors (16) der Abstand zwischen den Vorsprüngen (18, 19, 27, 30, 31, 32) und der Innenfläche (23) des Mischrohrs (1) zwischen einem Zwanzigstel und der Hälfte des mittleren Abstands liegt.6. Mixer according to one of claims 2 to 5, characterized in that in at least one twentieth of a surface with projections ( 18 , 19 , 27 , 30 , 31 , 32 ) equipped surface ( 26 ) of the rotor ( 16 ) the distance between the projections ( 18 , 19 , 27 , 30 , 31 , 32 ) and the inner surface ( 23 ) of the mixing tube ( 1 ) is between a twentieth and a half of the mean distance. 7. Mischer nach einem der Ansprüche 1 bis 6, dadurch gekenn­ zeichnet, daß eine Mehrzahl von Vorsprüngen (18, 19, 27, 30, 31, 32) längs des Rotors vorgesehen ist.7. Mixer according to one of claims 1 to 6, characterized in that a plurality of projections ( 18 , 19 , 27 , 30 , 31 , 32 ) is provided along the rotor. 8. Mischer nach einem der Ansprüche 1 bis 7, dadurch gekenn­ zeichnet, daß mehrere Vorsprünge (18, 19, 27, 30, 31, 32) in Umfangsrichtung des Rotors (16) aufeinanderfolgen.8. Mixer according to one of claims 1 to 7, characterized in that a plurality of projections ( 18 , 19 , 27 , 30 , 31 , 32 ) follow one another in the circumferential direction of the rotor ( 16 ). 9. Mischer nach einem der Ansprüche 1 bis 8, dadurch gekenn­ zeichnet, daß wenigstens ein Vorsprung (27, 30, 32, 33) quer zur Anstiegsrichtung der Rampe (20) langgestreckt ausgebildet ist.9. Mixer according to one of claims 1 to 8, characterized in that at least one projection ( 27 , 30 , 32 , 33 ) is elongated transverse to the direction of rise of the ramp ( 20 ). 10. Mischer nach Anspruch 9, dadurch gekennzeichnet, daß der Vorsprung (33) als in Umfangsrichtung umlaufender Ring ausgebildet ist. 10. Mixer according to claim 9, characterized in that the projection ( 33 ) is designed as a circumferential ring. 11. Mischer nach einem der Ansprüche 1 bis 9, dadurch gekenn­ zeichnet, daß die Vorsprünge (27, 30) in solcher Weise gegenüber der Umfangsrichtung (28) geneigt sind, daß sie auf ihrer Vorderseite mit der Umfangsrichtung (28) auf deren zum Auslaß (10) gewendeten Seite einen spitzen Win­ kel (29) einschließen.11. Mixer according to one of claims 1 to 9, characterized in that the projections ( 27 , 30 ) are inclined in such a manner relative to the circumferential direction ( 28 ) that they are on their front side with the circumferential direction ( 28 ) on the outlet thereof ( 10 ) turned side include an acute angle ( 29 ). 12. Mischer nach einem der Ansprüche 1 bis 11, dadurch ge­ kennzeichnet, daß der Übergang von der Rampe (20) zur Kopffläche (24) der Vorsprünge als scharfe Kante ausge­ bildet ist.12. Mixer according to one of claims 1 to 11, characterized in that the transition from the ramp ( 20 ) to the top surface ( 24 ) of the projections is formed as a sharp edge. 13. Mischer nach einem der Ansprüche 1 bis 12, dadurch ge­ kennzeichnet, daß die Weite des Spalts (25) zwischen 0,1 und 1,0 mm liegt.13. Mixer according to one of claims 1 to 12, characterized in that the width of the gap ( 25 ) is between 0.1 and 1.0 mm.
DE29907573U 1999-04-28 1999-04-28 Dynamic mixer for dental impression materials Expired - Lifetime DE29907573U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29907573U DE29907573U1 (en) 1999-04-28 1999-04-28 Dynamic mixer for dental impression materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE29907573U DE29907573U1 (en) 1999-04-28 1999-04-28 Dynamic mixer for dental impression materials

Publications (1)

Publication Number Publication Date
DE29907573U1 true DE29907573U1 (en) 2000-09-07

Family

ID=8072855

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29907573U Expired - Lifetime DE29907573U1 (en) 1999-04-28 1999-04-28 Dynamic mixer for dental impression materials

Country Status (1)

Country Link
DE (1) DE29907573U1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004020410A1 (en) * 2004-04-23 2005-12-01 Heraeus Kulzer Gmbh Molding material production system for dentistry has a widened by phone reservoir not separated from the mixing cavity and containing string parts
WO2007041878A1 (en) * 2005-10-07 2007-04-19 Sulzer Mixpac Ag Dynamic mixer
DE102007051610A1 (en) * 2007-10-24 2009-04-30 Lenhardt Maschinenbau Gmbh Device for injecting a strand of a pasty mass into the space between two glass plates of an insulating glass pane
WO2012116883A1 (en) * 2011-02-28 2012-09-07 Sulzer Mixpac Ag Dynamic mixer
US9227162B2 (en) 2010-06-22 2016-01-05 3M Innovative Properties Company Mixer for preparing a dental material, and system comprising the same

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2969960A (en) * 1957-06-05 1961-01-31 Mobay Chemical Corp Mixing apparatus
GB1566753A (en) * 1976-10-22 1980-05-08 Doom L Continuous mixer
US5450368A (en) * 1993-12-28 1995-09-12 Three Bond Co., Ltd. Two liquid type mixer
DE4433039A1 (en) * 1994-09-16 1996-03-21 Frisse Richard Maschf Fixed mixer vessel and inner rotor blade assembly of conical shape
WO1998043727A1 (en) * 1997-04-01 1998-10-08 Ernst Mühlbauer KG Dynamic mixer for dental impression pastes

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2969960A (en) * 1957-06-05 1961-01-31 Mobay Chemical Corp Mixing apparatus
GB1566753A (en) * 1976-10-22 1980-05-08 Doom L Continuous mixer
US5450368A (en) * 1993-12-28 1995-09-12 Three Bond Co., Ltd. Two liquid type mixer
DE4433039A1 (en) * 1994-09-16 1996-03-21 Frisse Richard Maschf Fixed mixer vessel and inner rotor blade assembly of conical shape
WO1998043727A1 (en) * 1997-04-01 1998-10-08 Ernst Mühlbauer KG Dynamic mixer for dental impression pastes

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004020410A1 (en) * 2004-04-23 2005-12-01 Heraeus Kulzer Gmbh Molding material production system for dentistry has a widened by phone reservoir not separated from the mixing cavity and containing string parts
DE102004020410B4 (en) * 2004-04-23 2007-08-02 Heraeus Kulzer Gmbh Dynamic mixer for pseudoplastic pastes
WO2007041878A1 (en) * 2005-10-07 2007-04-19 Sulzer Mixpac Ag Dynamic mixer
US8313232B2 (en) 2005-10-07 2012-11-20 Sulzer Mixpac Ag Dynamic mixer
DE102007051610A1 (en) * 2007-10-24 2009-04-30 Lenhardt Maschinenbau Gmbh Device for injecting a strand of a pasty mass into the space between two glass plates of an insulating glass pane
US8480940B2 (en) 2007-10-24 2013-07-09 Bystronic Lenhardt Gmbh Device for injection a strand of a paste-like mass into the intermediate space between glass panes of an insulated glass pane
US9227162B2 (en) 2010-06-22 2016-01-05 3M Innovative Properties Company Mixer for preparing a dental material, and system comprising the same
WO2012116883A1 (en) * 2011-02-28 2012-09-07 Sulzer Mixpac Ag Dynamic mixer
US9656224B2 (en) 2011-02-28 2017-05-23 Sulzer Mixpac Ag Dynamic mixer

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Legal Events

Date Code Title Description
R163 Identified publications notified
R207 Utility model specification

Effective date: 20001012

R150 Utility model maintained after payment of first maintenance fee after three years

Effective date: 20021015

R151 Utility model maintained after payment of second maintenance fee after six years

Effective date: 20050701

R152 Utility model maintained after payment of third maintenance fee after eight years

Effective date: 20070705

R071 Expiry of right