EP0299433A1 - Dispositif pour le mélange ou homogénéisation du contenu d'une cartouche - Google Patents

Dispositif pour le mélange ou homogénéisation du contenu d'une cartouche Download PDF

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Publication number
EP0299433A1
EP0299433A1 EP88111145A EP88111145A EP0299433A1 EP 0299433 A1 EP0299433 A1 EP 0299433A1 EP 88111145 A EP88111145 A EP 88111145A EP 88111145 A EP88111145 A EP 88111145A EP 0299433 A1 EP0299433 A1 EP 0299433A1
Authority
EP
European Patent Office
Prior art keywords
mixing
piston
cartridge
rod
mixing device
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
Application number
EP88111145A
Other languages
German (de)
English (en)
Other versions
EP0299433B1 (fr
Inventor
Werner Brüning
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.)
Alfred Fischbach KG Kunststoff Spritzgusswerk
Original Assignee
Alfred Fischbach KG Kunststoff Spritzgusswerk
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 Alfred Fischbach KG Kunststoff Spritzgusswerk filed Critical Alfred Fischbach KG Kunststoff Spritzgusswerk
Priority to AT88111145T priority Critical patent/ATE73095T1/de
Publication of EP0299433A1 publication Critical patent/EP0299433A1/fr
Application granted granted Critical
Publication of EP0299433B1 publication Critical patent/EP0299433B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/32—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging two or more different materials which must be maintained separate prior to use in admixture
    • 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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/32—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging two or more different materials which must be maintained separate prior to use in admixture
    • B65D81/3255—Containers provided with a piston or a movable bottom, and permitting admixture within the container

Definitions

  • the invention relates to a mixing device for mixing and homogenizing pasty or flowable masses according to the preamble of claim 1.
  • Pasty or flowable masses often have to be mixed or homogenized before processing. Mixing is particularly necessary if the masses consist of several components, e.g. made of synthetic resin and hardener, which are brought together immediately before processing. Such compositions are used, for example, as sealants or adhesives or as plastic impression compositions.
  • Mixing devices which contain several components in different compartments separated from one another. Before the mixing, the compartments are connected to one another, or a partition located between the compartments is destroyed or eliminated, so that the components are connected to one another Can come in contact.
  • the masses in a cartridge are then processed with a mixing element which has a rod which leads out of the cartridge and which can be axially moved and rotated by hand. The mass contained in the cartridge can then be pressed out of the cartridge by moving a piston.
  • the known mixing devices are complex to manufacture and correspondingly expensive, and their mixing action is often inadequate. If several components are contained in a common cartridge, this cartridge is only ever suitable for a certain quantity ratio of the two components. Such cartridges are therefore only suitable for a certain material that requires a certain mixing ratio. In addition, the component present in smaller quantities is often flammable; In such a case, the entire cartridge must be stored in accordance with the fire regulations, taking special safety precautions into account, although only a relatively small proportion of the cartridge contents are flammable.
  • the invention has for its object to provide a mixing device of the type specified in the preamble of claim 1, which is characterized by a particularly simple structure and simple handling.
  • the mixing element is connected through the piston to the rod required for its actuation.
  • the mixing element is moved back and forth in the axial direction of the cartridge, whereby it can be rotated about its longitudinal axis at the same time.
  • the mixing element is placed against the end wall of the piston and the rod is separated from the mixing element while the mixing element is held by the piston. After the separation process, the mixing element forms together with the piston a single unit that can be used to squeeze the mixture out of the cartridge.
  • commercially available extrusion devices can be used, which are common for pressing sealing compounds out of cartridges.
  • a particular advantage is that the conventional tubular cartridges can be used without any modification.
  • the mixing element which can be moved separately from the piston during the mixing process, is connected to the piston after the mixing process has ended.
  • the mixing element closes the passage opening of the piston so that the end wall of the piston is now tight.
  • the mixing element is, as it were, part of the piston and is not moved independently during the subsequent pressing process.
  • the piston is to a certain extent only completed by the mixing element attached to it.
  • the piston serves to close the cartridge and as a guide and sealing element for the rod.
  • the mixing element can also be connected to the piston if the rod is not yet connected to the mixing element.
  • the rod is connected to the mixing element, which is held here by the piston.
  • the connection of the mixing element to the piston is released, so that the mixing element can carry out the mixing process unhindered, while the through opening of the piston seals against the rod and prevents that no mass can escape from the cartridge along the rod.
  • the mixing element is expediently provided with a hollow shaft which is received in a sealing manner by a sleeve which projects from the front piston surface to the rear.
  • the shaft has the same outer diameter as the rod that can be connected to it.
  • the connection between the rod and the hollow shaft is preferably made by threads, in particular by multi-start threads.
  • the mixing element has a flat disc with openings and wings.
  • the wings can be pivoted out of the plane of the pane and the mutually facing or facing edges of two wings are expediently connected to the pane in an articulated manner.
  • the vanes which are pivoted as a function of the axial direction of movement of the mixing member through the pasty mass, each adjust so that when the mixing member rotates in one direction of rotation, one of the two vanes cut helically through the mass, while the other wing offers increased flow resistance. In this way it is ensured that the mixing element cannot cut through the mass in a helical manner with little resistance, but that at least one of the wings exerts a considerable agitation effect on the mass.
  • the mixing device according to the invention can be used to homogenize a mass contained in the cartridge before use. In this case, the entire mass is contained in the cartridge. Another application is to mix multiple components. In this case, the component which is to form the larger proportion of the mixture is expediently already contained in the cartridge, while the other component is supplied later. The smaller component can be fed through the spout in the end wall of the cartridge that will later be used for pressing. This spout must of course be closed with a cap during the mixing process.
  • the mixing device shown has a commercially available cartridge 10, which is made of a plastic molded part, made of metal or paper material.
  • the cartridge 10 is designed as an elongated cylindrical tube, which is closed at one end by an end wall 11, while the opposite end 12 is open.
  • On the end wall 11 there is an externally threaded spout 13 through which the mass can be expelled from the cartridge. In the state shown, the spout 13 is closed with a separable wall 14.
  • the cartridge 10 contains a piston 15, the cylindrical peripheral wall 16 of which rests sealingly on the inner wall of the cartridge.
  • the front piston surface 16a forming the end wall is flat and from it the peripheral wall 16, an annular reinforcement wall 17 and a sleeve 18 protrude to the rear or to the outside.
  • the peripheral wall 16 projects beyond the reinforcement wall 17 and the sleeve 18 towards the rear end. All three walls 16, 17 and 18 are connected to the piston wall 16a only at their front end, while the rear ends protrude freely.
  • the sleeve 18 encloses the passage opening 19 which leads axially through the piston 15.
  • the edge of the cartridge at the end 12 is deformed in such a way that a stop 12a which holds the piston in the cartridge is formed.
  • the cartridge is filled through the opened spout 13, the wall 14 of which is separated.
  • the passage opening 19 of the piston 15 is closed by the mixing element 20.
  • the mixing element 20 has a perforated disk 21 which lies flat against the piston wall 16 and whose outer diameter is somewhat smaller than that of the piston 15.
  • a hollow shaft 22 protrudes from the rear of the disk 21. This shaft 22 completely and sealingly fills the cross section of the sleeve 19. Inside the shaft 22 there is an internal thread into which the threaded connector 23a is screwed at the front end of the rod 23.
  • the threads of sleeve 18 and threaded connector 23a are two-start threads. This has the advantage that finding a thread engagement by turning the rod 23 is easier and that the threads can be tightened more quickly.
  • the shaft 22 does not extend to the rear end of the sleeve 18.
  • the main part of the rod 23, whose diameter is equal to that of the shaft 22, projects into this end behind the threaded connector 23a.
  • the disk 21 has a plurality of openings 24, 25, 26.
  • the openings 24 and 25 contain wings 27 and 28, which are integrally connected to the disc 21 by film joints 29 and 30, respectively.
  • the film joints 29 are located on the radial edges leading in the clockwise direction, while the film joints 30 are arranged on the wings 28 in each case on the radial edge leading in the counterclockwise direction.
  • the openings 26 are simple holes.
  • Each recess 31 can cooperate with a holding member 32 of the piston 15.
  • the holding member 32 is a projection protruding forward from the piston surface 16a, which protrudes into a recess 31 when the disk 21 is in contact with the piston surface 16a.
  • the holding member 32 forms a rotation lock, which prevents the disk 21 from being rotated relative to the piston 15. It is thus possible to unscrew the rod 23 from the mixing element 20 while the mixing element is held against rotation by the holding element 32 of the piston 15.
  • the piston 15 is supported in the interior of the cartridge 10 by its peripheral wall 16, the rotational resistance being so great that the piston 15 is not rotated within the cartridge 10 when the rod 23 is rotated.
  • the projection can have a sawtooth-shaped course, so that the mixing element 20 is blocked relative to the piston 15 only in one direction of rotation, but can rotate in the other.
  • the holding member 32 should prevent the mixing member 20 from rotating.
  • the mixing device is supplied in the state shown in FIG. 1, but without a screwed-in shaft 23, it being possible for the mass to be pressed out or one component of this mass to be located inside the cartridge 10.
  • the wall 14 of the spout 13 can first be cut off in order to introduce the additional component into the cartridge 10. Then the spout 13 is closed with a screw cap (not shown). Now only the rod 23 needs to be screwed into the shaft 22 of the mixing element. The rod 23 can then be driven with a prime mover, e.g. a hand drill, which rotates the rod and with this the mixing element 20. During this rotation, the threads of threaded connector 23a and shaft 22 tighten. The rod 23 can now be moved axially through the cartridge 10, all areas of the cartridge being affected by the mixing action. The wings 27, 28 of the mixing element 20 automatically adjust themselves so that they point to the rear in relation to the axial movement.
  • a prime mover e.g. a hand drill
  • the mixing member 20 is withdrawn until it abuts the piston surface 16.
  • the rod 23 is then rotated counter to its previous direction of rotation in order to release the threaded engagement with the mixing element 20.
  • the mixing element 20 is supported on the holding element 32.
  • the shaft 22 seals the passage opening 19 of the piston 15.
  • the mixing element 20 has an axial extension 33 which protrudes towards the front and can penetrate into the interior of the spout 13 during mixing in order to also move the mass located in the spout.
  • the approach 13 has a non-circular cross-section; in the present exemplary embodiment, it consists of three star-shaped ribs.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Coating Apparatus (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Package Specialized In Special Use (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
EP88111145A 1987-07-15 1988-07-12 Dispositif pour le mélange ou homogénéisation du contenu d'une cartouche Expired - Lifetime EP0299433B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88111145T ATE73095T1 (de) 1987-07-15 1988-07-12 Vorrichtung zum mischen oder homogenisieren des inhalts einer kartusche.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873723309 DE3723309A1 (de) 1987-07-15 1987-07-15 Mischvorrichtung
DE3723309 1987-07-15

Publications (2)

Publication Number Publication Date
EP0299433A1 true EP0299433A1 (fr) 1989-01-18
EP0299433B1 EP0299433B1 (fr) 1992-03-04

Family

ID=6331572

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88111145A Expired - Lifetime EP0299433B1 (fr) 1987-07-15 1988-07-12 Dispositif pour le mélange ou homogénéisation du contenu d'une cartouche

Country Status (8)

Country Link
US (1) US4966468A (fr)
EP (1) EP0299433B1 (fr)
JP (1) JPH02500824A (fr)
KR (1) KR920010797B1 (fr)
AT (1) ATE73095T1 (fr)
CA (1) CA1283903C (fr)
DE (2) DE3723309A1 (fr)
WO (1) WO1989000536A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008140867A1 (fr) * 2007-05-10 2008-11-20 Fluid-Quip, Inc. Déflecteur destiné à générer de multiples tourbillons hélicoïdaux dans un courant fluide
EP2349550A4 (fr) * 2008-11-10 2015-07-08 Warsaw Orthopedic Inc Système de mélange et de distribution de composants multiples

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4973168A (en) * 1989-01-13 1990-11-27 Chan Kwan Ho Vacuum mixing/bone cement cartridge and kit
US5158214A (en) * 1991-03-11 1992-10-27 Jnj Industries Inc. Solder paste applicator and mixing tool
DE9110529U1 (de) * 1991-08-26 1991-10-10 Prestele, Eugen, 8900 Augsburg Kartusche
JP2772188B2 (ja) * 1992-01-23 1998-07-02 武蔵エンジニアリング株式会社 液体ディスペンサーのシリンジ用プランジャー
US5273190A (en) * 1992-07-27 1993-12-28 Lund William J Quick shot single barrel dispensing system
DE4428664C2 (de) * 1994-08-12 2002-07-11 Duerrmann Gmbh & Co Kg Behälter, Anordnung und Verfahren zur Herstellung ,Aufbewahrung und Abgabe einer Individualrezeptur
US5533802A (en) * 1995-03-06 1996-07-09 Garganese; Richard S. Paint can accessory
US5878922A (en) * 1997-07-09 1999-03-09 Sunoco Products Company Self venting plunger
DE29724902U1 (de) * 1997-08-16 2005-08-25 Konietzko, Albrecht Vorrichtung zum Rühren bzw. Herstellung von Mischungen o.dgl. in einem Rührgefäß, Flügelrührer sowie Rührgefäß
AU736606B2 (en) * 1997-10-20 2001-08-02 Prc-Desoto International, Inc. Multiple part manual dispensing syringe
JP4159202B2 (ja) * 1998-12-21 2008-10-01 日本特殊陶業株式会社 リン酸カルシウム系セメント用混練器具及びリン酸カルシウム系セメント混練物の調製方法
US6099160A (en) * 1999-03-23 2000-08-08 Flacktek, Inc. Mixing system for mixing and dispensing reactive materials
FR2798650B1 (fr) * 1999-09-16 2002-01-04 Oreal Dispositif de distribution destine a equiper un recipient
EP1090609A1 (fr) 1999-10-07 2001-04-11 NGK Spark Plug Company Limited Dispositif et procédé pour préparer du ciment à base de phosphate de calcium
DE10152115A1 (de) * 2001-10-23 2003-05-08 Bosch Gmbh Robert Vorrichtung zum Mischen mindestens zweier Fluide
ES2269656T3 (es) * 2002-04-11 2007-04-01 Synthes Gmbh Dispositivo de mezcla y/o de inyeccion de cementos.
US6981794B2 (en) * 2002-04-12 2006-01-03 Hynetics Llc Methods for mixing solutions
US6923567B2 (en) * 2002-04-12 2005-08-02 Hynetics Llc Mixing tank assembly
US6908223B2 (en) * 2002-04-12 2005-06-21 Hynetics Llc Systems for mixing liquid solutions and methods of manufacture
SE524714C2 (sv) * 2002-06-28 2004-09-21 Asept Medical Ab Beredare och applikator för bencement
US7431837B2 (en) * 2003-02-13 2008-10-07 Ilc Dover Lp Mixing vessel and method of use
AU2004210869A1 (en) * 2003-02-13 2004-08-26 Ilc Dover, Inc. Flexible disposable vessel
US20050105384A1 (en) * 2003-11-18 2005-05-19 Scimed Life Systems, Inc. Apparatus for mixing and dispensing a multi-component bone cement
US7524103B2 (en) * 2003-11-18 2009-04-28 Boston Scientific Scimed, Inc. Apparatus for mixing and dispensing a multi-component bone cement
US8038682B2 (en) 2004-08-17 2011-10-18 Boston Scientific Scimed, Inc. Apparatus and methods for delivering compounds into vertebrae for vertebroplasty
US9844796B2 (en) 2005-10-14 2017-12-19 3M Innovative Properties Company Plunger and plunger assembly for a cartridge, system for storing a substance, and method of filling and sealing a substance in a delivery system
US20070183986A1 (en) * 2006-02-06 2007-08-09 Ultradent Products, Inc. Methods and systems for mixing a multi-part fluoride varnish composition
US7776010B2 (en) 2006-05-01 2010-08-17 Ultradent Products, Inc. Syringe-in-syringe hollow inner barrel/plunger with integral seal and rupturable membrane and related kits, systems, and methods
US7905654B1 (en) * 2006-11-13 2011-03-15 Luis Cordero Hand held manually operated mixer
US8454558B2 (en) 2007-02-09 2013-06-04 Ultradent Products, Inc. Syringe-in-syringe hollow inner barrel/plunger with integral seal and rupturable membrane and related kits, systems and methods
US7879002B2 (en) * 2007-10-31 2011-02-01 Ultradent Products, Inc. Mixing device including a plunging mixing member for use with a syringe
US8383163B2 (en) * 2008-01-29 2013-02-26 Ultradent Products, Inc. Fluoride varnish compositions including an organo phosphoric acid adhesion promoting agent
USD657876S1 (en) 2010-02-02 2012-04-17 3M Innovative Properties Company Dental capsule
KR102023143B1 (ko) * 2012-11-08 2019-09-19 술저 믹스팩 아게 2개 이상의 유동성 성분을 위한 카트리지
US9572555B1 (en) * 2015-09-24 2017-02-21 Ethicon, Inc. Spray or drip tips having multiple outlet channels
DE102015116797B4 (de) * 2015-10-02 2018-08-23 Heraeus Medical Gmbh Vorrichtung und Verfahren zum Lagern und Mischen eines Knochenzements
EP3299082A1 (fr) 2016-09-21 2018-03-28 3M Innovative Properties Company Ensemble mélangeur et dispositif de distribution de matériau dentaire
DE202017007661U1 (de) * 2016-11-10 2024-02-21 Medisca Pharmaceutique Inc. System zur pharmazeutischen Zubereitung
US11590463B2 (en) * 2017-06-28 2023-02-28 University Of Tasmania Liquid-liquid mixing device suitable for sample preparation by liquid-liquid extraction
US11229468B2 (en) 2019-06-11 2022-01-25 Vivex Biologics Group, Inc. Mixing syringe and method of use
US20230330697A1 (en) * 2022-04-14 2023-10-19 Patrick J. Dugas Caulk tubes

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US3370754A (en) * 1966-12-21 1968-02-27 Products Res & Chemical Corp Syringe for mixing and dispensing two ingredients
US3858853A (en) * 1973-05-25 1975-01-07 Paul Gilger Rausch Container with mixer and method of use
FR2447875A1 (fr) * 1979-01-31 1980-08-29 Therimexport Sa Dispositif de conditionnement et de melange extemporane de produits liquides ou pateux
EP0188981A1 (fr) * 1984-12-21 1986-07-30 Claude Bosson Seringue de mélange perfectionnée à double chambre
EP0194508A2 (fr) * 1985-02-26 1986-09-17 Hans-Werner Korte-Jungermann Cartouche pour injecteur

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DE1987730U (de) * 1968-03-29 1968-06-20 Siemens Ag Vorrichtung zum mischen plastischer oder fluessiger stoffe.
US3828980A (en) * 1972-11-06 1974-08-13 Chem Dev Corp Dispenser for precisely metered dispensing of viscous fluids
FR2400122A1 (fr) * 1977-08-11 1979-03-09 Wedekind Denso Chemie Dispositif a cylindre et piston destine notamment aux cartouches pour pulverisation ou projection de ciments, mastics, substances etancheisantes, laques, etc.
DE2824525C2 (de) * 1978-06-03 1985-09-26 Fritz 8900 Augsburg Röhm Haarfärbegerät
CA1113894A (fr) * 1978-01-07 1981-12-08 Hans W. Korte-Jungermann Cartouche d'injection

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3370754A (en) * 1966-12-21 1968-02-27 Products Res & Chemical Corp Syringe for mixing and dispensing two ingredients
US3858853A (en) * 1973-05-25 1975-01-07 Paul Gilger Rausch Container with mixer and method of use
FR2447875A1 (fr) * 1979-01-31 1980-08-29 Therimexport Sa Dispositif de conditionnement et de melange extemporane de produits liquides ou pateux
EP0188981A1 (fr) * 1984-12-21 1986-07-30 Claude Bosson Seringue de mélange perfectionnée à double chambre
EP0194508A2 (fr) * 1985-02-26 1986-09-17 Hans-Werner Korte-Jungermann Cartouche pour injecteur

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008140867A1 (fr) * 2007-05-10 2008-11-20 Fluid-Quip, Inc. Déflecteur destiné à générer de multiples tourbillons hélicoïdaux dans un courant fluide
EP2517785A1 (fr) * 2007-05-10 2012-10-31 Fluid-Quip, Inc. Déflecteur pour une conduite de fluide, et dispositif associé
US8696192B2 (en) 2007-05-10 2014-04-15 Fluid-Quip, Inc. Multiple helical vortex baffle
US8714811B2 (en) 2007-05-10 2014-05-06 Fluid-Quip, Inc. Multiple helical vortex baffle
EP2349550A4 (fr) * 2008-11-10 2015-07-08 Warsaw Orthopedic Inc Système de mélange et de distribution de composants multiples

Also Published As

Publication number Publication date
US4966468A (en) 1990-10-30
EP0299433B1 (fr) 1992-03-04
DE3723309A1 (de) 1989-01-26
CA1283903C (fr) 1991-05-07
DE3868739D1 (de) 1992-04-09
ATE73095T1 (de) 1992-03-15
KR920010797B1 (ko) 1992-12-17
JPH02500824A (ja) 1990-03-22
KR890701448A (ko) 1989-12-20
WO1989000536A1 (fr) 1989-01-26

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