DE102004020410B4 - Dynamic mixer for pseudoplastic pastes - Google Patents
Dynamic mixer for pseudoplastic pastes Download PDFInfo
- Publication number
- DE102004020410B4 DE102004020410B4 DE102004020410A DE102004020410A DE102004020410B4 DE 102004020410 B4 DE102004020410 B4 DE 102004020410B4 DE 102004020410 A DE102004020410 A DE 102004020410A DE 102004020410 A DE102004020410 A DE 102004020410A DE 102004020410 B4 DE102004020410 B4 DE 102004020410B4
- Authority
- DE
- Germany
- Prior art keywords
- mixing
- bottom plate
- dynamic mixer
- chamber part
- closure part
- 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
Links
- 239000005548 dental material Substances 0.000 claims abstract description 6
- PCTMTFRHKVHKIS-BMFZQQSSSA-N (1s,3r,4e,6e,8e,10e,12e,14e,16e,18s,19r,20r,21s,25r,27r,30r,31r,33s,35r,37s,38r)-3-[(2r,3s,4s,5s,6r)-4-amino-3,5-dihydroxy-6-methyloxan-2-yl]oxy-19,25,27,30,31,33,35,37-octahydroxy-18,20,21-trimethyl-23-oxo-22,39-dioxabicyclo[33.3.1]nonatriaconta-4,6,8,10 Chemical compound C1C=C2C[C@@H](OS(O)(=O)=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2.O[C@H]1[C@@H](N)[C@H](O)[C@@H](C)O[C@H]1O[C@H]1/C=C/C=C/C=C/C=C/C=C/C=C/C=C/[C@H](C)[C@@H](O)[C@@H](C)[C@H](C)OC(=O)C[C@H](O)C[C@H](O)CC[C@@H](O)[C@H](O)C[C@H](O)C[C@](O)(C[C@H](O)[C@H]2C(O)=O)O[C@H]2C1 PCTMTFRHKVHKIS-BMFZQQSSSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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
- A61C5/62—Applicators, e.g. syringes or guns
- A61C5/64—Applicators, e.g. syringes or guns for multi-component compositions
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/50—Movable or transportable mixing devices or plants
- B01F33/501—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use
- B01F33/5011—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use portable during use, e.g. hand-held
-
- 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
- B01F27/05—Stirrers
- B01F27/07—Stirrers characterised by their mounting on the shaft
- B01F27/072—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis
- B01F27/0722—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis perpendicular with respect to the rotating axis
-
- 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
- B01F27/05—Stirrers
- B01F27/07—Stirrers characterised by their mounting on the shaft
- B01F27/072—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis
- B01F27/0724—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis directly mounted on the rotating axis
-
- 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
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/112—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades
- B01F27/1121—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades pin-shaped
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
Dynamischer Mischer, insbesondere für Dentalmaterialien verschiedenster Konsistenzen, mit einem zumindest teilweise weitestgehend zylindrischen Kammerteil (1), mit einer Ausbringöffnung (2) am vorderen Ende des Kammerteils (3), mit einem am hinteren Ende des Kammerteils (4) angeordneten Verschlussteil (5) mit Eintrittsöffnungen (6, 7) für einzubringende Einzelkomponenten sowie einer zentrischen Öffnung für eine im Kammerteil (1) um seine Längsachse drehbare Mischerwelle (8), mit mindestens zwei axial hintereinander angeordneten Ebenen mit jeweils mindestens zwei radial hintereinander angeordneten Mischflügeln (10), dadurch gekennzeichnet, dass mindestens ein Teil der zwischen den Mischflügelebenen (9) befindlichen Mischachse (4) eine in Radialrichtung exzentrisch verlaufende Wandung (14, 15) besitzt.dynamic Mixer, especially for Dental materials of various consistencies, with at least one partly largely cylindrical chamber part (1), with a discharge opening (2) at the front end of the chamber part (3), with one at the rear End of the chamber part (4) arranged closure part (5) with inlet openings (6, 7) for to be introduced individual components as well as a centric opening for an im Chamber part (1) about its longitudinal axis Rotatable mixer shaft (8), with at least two axially behind each other arranged planes, each with at least two radially arranged one behind the other mixing blades (10), characterized in that at least a part of the between the mixing-valve levels (9) located mixing axis (4) one in the radial direction eccentric extending wall (14, 15) has.
Description
Die Erfindung betrifft einen dynamischen Mischer, insbesondere für Dentalmaterialien verschiedenster Konsistenzen, gemäß dem Obergriff des Anspruchs 1 sowie einen dynamischen Mischer gemäß dem Obergriff des Anspruchs 5.The The invention relates to a dynamic mixer, in particular for dental materials various consistencies, according to the preamble of the claim 1 and a dynamic mixer according to the preamble of the claim 5th
Insbesondere
im Dentalbereich werden chemisch härtende Pasten in Doppelkartuschen
oder Schlauchbeuteln angeboten, die vom Anwender mittels Gerät zugleich
dosiert, gefördert
und angemischt werden. Die Mischung wird dabei von Mischaufsätzen, z.B.
dynamischen Mischern, übernommen,
die mit den Doppelkartuschen oder Schlauchbeuteln verbunden werden.
Beispiele solcher Mischer sind z.B. in
Da für unterschiedliche Anwendungen auch sehr verschiedene Konsistenzen zum Einsatz kommen, besteht ein Bedarf, einen Mischaufsatz zu entwickeln, der für all diese Konsistenzen universell einzusetzen ist. Aufgabe der Erfindung ist die Bereitstellung eines solchen Mischaufsatzes bzw. dynamischen Mischers.There for different Applications also very different consistencies are used There is a need to develop a mixing attachment for all of these Consistencies universal use is. The object of the invention is the provision of such a Mischaufsatzes or dynamic Mixer.
Bei niedrigviskosen Konsistenzen erhält man durch hohe Scherung in engen Spalten die beste Vermischung. Durch zunehmende Verwendung dieser Mischgeräte auch für hochviskose Pasten wurde es notwendig, Mischeraufsätze zu konstruieren, die mit größeren Strömungsquerschnitten ausgestattet sind, da es sonst bei den hochviskosen Konsistenzen zu unerwünscht hohen Förderkräften und unerwünschter Erwärmung des Mischgutes kommt.at low viscosity consistencies by high shear in narrow gaps the best mixing. Due to increasing use of these mixers even for high viscosity pastes has been it necessary, mixer attachments to construct those with larger flow cross sections otherwise it is with the high-viscosity consistencies too undesirable high production and undesirable warming of the mix comes.
Bei den niedrigviskosen, und insbesondere bei den strukturviskosen Pasten mit ausgeprägten Fließgrenzen, kommt es durch diese erweiterten Strömungsquerschnitte dazu, dass nur im Be reich der Oberflächen von Rotor und Stator eine Vermischung der Komponenten stattfindet. In Bereichen größerer Schichtstärke kommt es dann zur Pfropfenströmung. Dadurch werden schlecht gemischte oder sogar ungemischte Pastenanteile aus dem Mischer ausgefördert.at the low viscosity, and especially with the pseudoplastic pastes with pronounced yield stress, it comes through these extended flow cross sections that only in the area of the surfaces Rotor and stator mixing of the components takes place. In areas of greater thickness comes it then to the plug flow. As a result, poorly mixed or even unmixed paste portions discharged from the mixer.
Bei Mischern, deren Flügel weitestgehend bis an die Wand der Mischkammer reichen, ist im Außenbereich der Mischkammer durch die dort auftretende hohe Umfangsgeschwindigkeit eine gute Mischwirkung gegeben. In der Schicht zwischen der Mischerwelle und diesem Außenbereich kann die geförderte Paste jedoch wie ein Pfropfen zusammen mit dem Mischerinnenteil rotieren, wenn keine Stromstörer vorhanden sind.at Mixers whose wings extend as far as possible to the wall of the mixing chamber, is outdoors the mixing chamber by the occurring there high circumferential speed given a good mixing effect. In the layer between the mixer shaft and this outdoor area can the sponsored Paste, however, like a graft along with the mixer interior rotate when no baffles available.
Die im Apparatebau üblichen Stromstörer sind an den Rohr- oder Kesselaußenwänden installiert. Bei den im Vorliegenden betrachteten dynamischen Mischern handelt es sich um Spritzgussteile aus Kunststoff für Einmalanwendungen, die aus möglichst wenigen Teilen bestehen sollen und einfach herzustellen sein sollen. Ein Stromstörer an der Wandung des Mischergehäuses ist mit einfachen Spritzgussformen nicht herzustellen.The usual in apparatus construction Baffles are installed on the pipe or boiler outer walls. The dynamic mixers considered herein are These are plastic injection molded parts for single use, made as possible few parts and should be easy to produce. A baffle on the wall of the mixer housing can not be produced with simple injection molds.
Als einfach zu gestaltende Stromstörer haben sich um die Mischwelle umlaufende Erweiterungen des Wellendurchmessers erwiesen. Diese von der Mischwelle radial in den Mischraum ragende Durchmessererweiterungen verringern an dieser Stelle den Strömungsquerschnitt, zwingen somit die Paste aus der Propfenströmung heraus und erhöhen kurzzeitig an dieser Stelle die Strömungsgeschwindigkeit und somit die Scherung.When easy to design baffles have around the mixing shaft encircling extensions of the shaft diameter proven. These diametrically extending from the mixing shaft in the mixing chamber diameter expansions reduce the flow cross-section at this point, thus force the paste from the plug flow out and increase for a short time at this point the flow velocity and thus the shear.
Die Aufgabe wird somit durch einen dynamischen Mischer gemäß einem der Ansprüche 1 oder 5 gelöst. Weitere Ausgestaltungen sind Gegenstand der Unteransprüche.The Task is thus by a dynamic mixer according to a the claims 1 or 5 solved. Further embodiments are the subject of the dependent claims.
Die erfindungsgemäße Lösung dafür, die Propfenströmung zu vermeiden, ist es, die Mischwelle auf den nicht mit Mischflügeln besetzten Ebenen exzentrisch zur Rotationsachse zu gestalten. Dies wird z.B. erreicht, wenn die Welle mit ovalem Querschnitt geformt ist. Ähnlich einer Nockenwelle kann die Welle aber auch abschnittsweise kreis- bzw. scheibenförmig gestaltet sein und zueinander versetzt exzentrisch angeordnete Ebenen besitzen. Bei exzentrischer versetzter Anordnung der Ebenen können diese aber auch vieleckig gestaltet sein.The Solution according to the invention, the plug flow to Avoid mixing the mixing shaft on the non-mixing blades To make planes eccentric to the axis of rotation. This is e.g. achieved when the shaft is formed with an oval cross-section. Similar to one Camshaft, the wave but also partially circular or disc-shaped be and offset from each other eccentrically arranged planes have. In eccentric staggered arrangement of the levels, these can but also be designed polygonal.
Die oben beschriebenen Stromstörer sind Teil des Rotors und somit als Umlenkung des axialen Produktförderstroms zu verstehen.The above described baffles are part of the rotor and thus as a deflection of the axial product flow to understand.
Ein wichtiger Bereich für die Mischwirkung bei reaktiven Komponenten ist der Bereich, in dem diese erstmalig aufeinander treffen. Verweilen hier ungemischte Schichten aneinander, kann das zu unerwünschten Spontanreaktionen führen.One important area for the mixing effect of reactive components is the area in which these meet each other for the first time. Linger here unmixed layers to each other, this can be too undesirable Lead to spontaneous reactions.
Daher haben sich besonders in diesem Bereich Stromstörer als vorteilhaft erwiesen.Therefore Especially in this area baffles have proved to be advantageous.
Umgesetzt wird das z.B., indem die zum Mischen vorteilhafte hohe Umfangsgeschwindigkeit des äußeren Bereichs durch weitestgehend bis an die Gehäusewand und den Verschlussteilboden reichende Mischflügel erzielt wird. Im Übergangsbereich von Verschlussteil und Mischwelle spart man vorteilhaft die Mischflügel ganz aus, und ordnet einen oder mehrere Stromstörer am Verschlussteilboden an.This is implemented, for example, by the high circumferential speed of the outer area, which is advantageous for mixing, as far as possible up to the housing wall and the closure part floor ing mixing blades is achieved. In the transition region of the closure part and mixing shaft advantageously saves the mixing vanes completely, and assigns one or more baffles on the bottom part closure.
Werden diese Stromstörer des Verschlussteils block-, keil- oder rampenförmig teilumlaufend um die Mischwelle angeordnet, können sie im Zusammenspiel mit den den Eingangsöffnungen zugewandten Mischflügeln nach Beendigung des Mischvorganges einen direkten Produktstrom der Komponenten in die Einlassöffnung der anderen Komponente verhindern.Become these baffles of the closure part block-, wedge- or ramp-shaped partly circulating around the mixing shaft arranged, can they in conjunction with the input ports facing mixing blades after Completion of the mixing process a direct product flow of the components in the inlet opening prevent the other component.
Ausführungsformen der Erfindung werden anhand der Zeichnungen erläutert:embodiments The invention will be explained with reference to the drawings:
In
In
Die
erfindungsgemäße Ausgestaltung
ist es, wenn sich die an der Bodenplatte des Verschlussteiles
Die
der Rotationsrichtung zugewandten Flächen
In
In
Claims (9)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004020410A DE102004020410B4 (en) | 2004-04-23 | 2004-04-23 | Dynamic mixer for pseudoplastic pastes |
PCT/EP2005/001876 WO2005082549A2 (en) | 2004-02-27 | 2005-02-23 | Method for the production of dental moulding materials and device therefor |
EP05715470A EP1720664A1 (en) | 2004-02-27 | 2005-02-23 | Method for the production of dental moulding materials and device therefor |
US10/590,760 US20080264809A1 (en) | 2004-02-27 | 2005-02-23 | Method for the Production of Dental Moulding Materials and Device Therefor |
JP2007500138A JP2007527283A (en) | 2004-02-27 | 2005-02-23 | Method for producing dental impression material and apparatus therefor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004020410A DE102004020410B4 (en) | 2004-04-23 | 2004-04-23 | Dynamic mixer for pseudoplastic pastes |
Publications (2)
Publication Number | Publication Date |
---|---|
DE102004020410A1 DE102004020410A1 (en) | 2005-12-01 |
DE102004020410B4 true DE102004020410B4 (en) | 2007-08-02 |
Family
ID=35267149
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102004020410A Expired - Lifetime DE102004020410B4 (en) | 2004-02-27 | 2004-04-23 | Dynamic mixer for pseudoplastic pastes |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102004020410B4 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202009013467U1 (en) * | 2009-10-06 | 2011-02-24 | Vemag Maschinenbau Gmbh | Filling flow |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013222111A1 (en) | 2013-10-30 | 2015-04-30 | Henkel Ag & Co. Kgaa | Dynamic mixing device |
DE202013009790U1 (en) | 2013-12-04 | 2015-03-05 | Mühlbauer Technology Gmbh | Dynamic mixer |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29907573U1 (en) * | 1999-04-28 | 2000-09-07 | Muehlbauer Ernst Kg | Dynamic mixer for dental impression materials |
DE19951504A1 (en) * | 1999-10-26 | 2001-05-10 | Espe Dental Ag | Mixing device and method |
EP1106243A2 (en) * | 1999-12-02 | 2001-06-13 | Wilhelm A. Keller | Dynamic mixer |
DE10015133C1 (en) * | 2000-03-29 | 2001-09-27 | Heraeus Kulzer Gmbh & Co Kg | Dynamic mixer for dental materials has at least two paddles in succession at the mixer on the side towards the chamber closure which do not strip the chamber walls |
DE19947331C2 (en) * | 1999-10-01 | 2002-02-28 | 3M Espe Ag | Dynamic mixer |
DE10043489A1 (en) * | 2000-09-01 | 2002-03-14 | Heraeus Kulzer Gmbh & Co Kg | Dynamic mixer used for mixing viscous multiple component materials, especially dental material has a mixing element with mixing wings arranged on the side facing the closing part |
DE10112904A1 (en) * | 2001-03-15 | 2002-10-02 | 3M Espe Ag | Dynamic mixer |
-
2004
- 2004-04-23 DE DE102004020410A patent/DE102004020410B4/en not_active Expired - Lifetime
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29907573U1 (en) * | 1999-04-28 | 2000-09-07 | Muehlbauer Ernst Kg | Dynamic mixer for dental impression materials |
DE19947331C2 (en) * | 1999-10-01 | 2002-02-28 | 3M Espe Ag | Dynamic mixer |
DE19951504A1 (en) * | 1999-10-26 | 2001-05-10 | Espe Dental Ag | Mixing device and method |
EP1106243A2 (en) * | 1999-12-02 | 2001-06-13 | Wilhelm A. Keller | Dynamic mixer |
DE10015133C1 (en) * | 2000-03-29 | 2001-09-27 | Heraeus Kulzer Gmbh & Co Kg | Dynamic mixer for dental materials has at least two paddles in succession at the mixer on the side towards the chamber closure which do not strip the chamber walls |
DE10043489A1 (en) * | 2000-09-01 | 2002-03-14 | Heraeus Kulzer Gmbh & Co Kg | Dynamic mixer used for mixing viscous multiple component materials, especially dental material has a mixing element with mixing wings arranged on the side facing the closing part |
DE10112904A1 (en) * | 2001-03-15 | 2002-10-02 | 3M Espe Ag | Dynamic mixer |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202009013467U1 (en) * | 2009-10-06 | 2011-02-24 | Vemag Maschinenbau Gmbh | Filling flow |
Also Published As
Publication number | Publication date |
---|---|
DE102004020410A1 (en) | 2005-12-01 |
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8364 | No opposition during term of opposition | ||
R081 | Change of applicant/patentee |
Owner name: KULZER GMBH, DE Free format text: FORMER OWNER: HERAEUS KULZER GMBH, 63450 HANAU, DE |
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R082 | Change of representative |
Representative=s name: BENDELE, TANJA, DIPL.-CHEM. DR. RER. NAT., DE |
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R079 | Amendment of ipc main class |
Free format text: PREVIOUS MAIN CLASS: B01F0005000000 Ipc: B01F0025000000 |
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R071 | Expiry of right |