EP0916409B1 - Zweikammer - Dosierspender - Google Patents

Zweikammer - Dosierspender Download PDF

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Publication number
EP0916409B1
EP0916409B1 EP98110250A EP98110250A EP0916409B1 EP 0916409 B1 EP0916409 B1 EP 0916409B1 EP 98110250 A EP98110250 A EP 98110250A EP 98110250 A EP98110250 A EP 98110250A EP 0916409 B1 EP0916409 B1 EP 0916409B1
Authority
EP
European Patent Office
Prior art keywords
dispensing device
dual chamber
containers
chamber dispensing
walls
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
EP98110250A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0916409A2 (de
EP0916409A3 (de
Inventor
Günter Auer
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.)
Aptar Villingen GmbH
Original Assignee
Megaplast GmbH
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 Megaplast GmbH filed Critical Megaplast GmbH
Publication of EP0916409A2 publication Critical patent/EP0916409A2/de
Publication of EP0916409A3 publication Critical patent/EP0916409A3/de
Application granted granted Critical
Publication of EP0916409B1 publication Critical patent/EP0916409B1/de
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
    • B65D81/325—Containers having parallel or coaxial compartments, provided with a piston or a movable bottom for discharging contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1081—Arrangements for pumping several liquids or other fluent materials from several containers, e.g. for mixing them at the moment of pumping
    • B05B11/1084—Arrangements for pumping several liquids or other fluent materials from several containers, e.g. for mixing them at the moment of pumping each liquid or other fluent material being pumped by a separate pump
    • 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

Definitions

  • the invention relates to a two-chamber metering dispenser for liquid and / or paste-like media with two juxtaposed in parallel position containers made of plastic, which are each provided with a hand-operated metering pump and with a full circumference of its inner surface tight-fitting follower piston.
  • the chambers in which the metered dispensed media are located have a cross-sectional shape, which favor the dense concerns of the trailing piston on the entire circumference of the inner surface.
  • the storage chambers are each cylindrical, wherein the Panels according to DE 42 12 413 and DE 41 20 644 are each used in the form of separate containers in a receiving housing, the head is provided with a two-medium metering pump or two each associated with a container metering pump, which can be actuated by a common actuator.
  • the two other cited documents relate to two-chamber metering dispensers in which the cylindrical storage chambers are arranged concentrically with each other, wherein the follower piston of the larger storage chamber sealingly abuts both the cylindrical inner surface of the peripheral wall and on the cylindrical outer surface of the smaller reservoir.
  • the concentric arrangement of the two reservoirs has the disadvantage that not both can have the same cross-sectional shape.
  • the juxtaposition of the two cylindrical reservoir is disadvantageous, as between the two reservoir receiving pump housing, which advantageously has an elongated-round shape, and the two cylindrical reservoirs, relatively large unused space volumes are present, each between the parallel Side walls and the curves of the reservoir are.
  • the invention has for its object to provide a two-chamber metering dispenser of the type mentioned, in which on the one hand the given by the outer mold cavity volume is optimally utilized by the two containers and on the other hand, the inner surfaces of the container walls ensure a tight concern their trailing piston sure.
  • the two containers have a common, in cross-section form elliptical outer shell and are separated by two symmetrically to the short ellipse axis against each other curved middle walls.
  • the design of the snap connections according to claim 5 ensures a hand on the one hand technically easily manageable shape of the snap connection elements and on the other hand a good durable connection between the two individual chambers.
  • joining results in an outer shell, which forms a virtually jointless and stepless overall area in the region of the abutting edges.
  • the snap connection can be stabilized or made insoluble in connection with ratchet teeth.
  • 1 and 2 serves for the separate dispensing of two different liquid or paste-type or gel-like media. It consists of two juxtaposed in parallel position containers 2 and 3 made of plastic, which are each provided with a hand-operated metering pump 4 and 5 and with a respectively on the entire circumference of its inner surface 6 and 7 tight-fitting follower piston 8 and 9, which also are made of plastic.
  • the two containers 2 and 3 form a common, in cross-section at least approximately elliptical, composed of circular arc outer shell 10, and they are separated by two symmetrically to the short ellipse axis 12 mutually arched center walls 14 and 15 from each other.
  • the two middle walls 14 and 15 are connected to form two symmetrical to the long ellipse axis 13 cavities 17 and 18 by a central connecting web 19.
  • the radii of curvature R of the congruent and mirror image of each other arranged center walls 14 and 15 correspond approximately to the length a of the long ellipse axis 13 of the common outer shell 10.
  • the ends of the middle walls 14 and 15 are connected by curves 16 einstükkig with the outer shell 10 whose Radii of curvature R1 should not fall below 3 mm, so that the lip-like Sealing edges 25 of the identical follower piston 8 and 9 can also tight in the region of these curves 16.
  • the two follower pistons 8 and 9 consist in a known manner of hollow bodies with one of the cross-sectional shape of the container 2 and 3 adapted basic shape and with a closed, trapezoidal in cross-section formed radial wall 26th
  • a planar ring section 27 of the radial wall 26 the circumferential, self-contained sealing lip 25 is arranged, while at the opposite end of the hollow body a conically shaped guide edge 28 is provided.
  • the two metering pumps 4 and 5 are respectively arranged on the upper end walls 21 and 22 of the two containers 2 and 3, wherein their movable, hood-like actuators 23 and 24 are guided in each case in integrally mounted ring walls 31 and 32 respectively.
  • the two containers 2 and 3 each having a central wall 14 or 15, consist of two identically shaped, separate individual bodies, which are joined together by snap connections 35 and 36 without joints.
  • a self-contained outer shell 10 as shown in Fig. 6 and also in the embodiment of FIGS. 1 and 2 is the case.
  • the two diametrically opposite snap connections 35 and 36 consist, as best seen in Fig. 7a, each of a coupling strip 40 which is integrally formed on the inside of a wall portion 41 which in the assembled state with the other container 2 and 3 each half of the cavity located between the middle walls 17 and 18 respectively bridge or bridge and which are each provided with a lying in the plane of the common central axis 39 end face 42.
  • the coupling strip 40 protrudes laterally beyond this common central axis 39 and is externally provided with a radially outwardly projecting latching or locking tooth 43, which expediently extends over the entire length or height of the container 2 or 3 and thus appears as a rib, which has the shape of a latching or locking tooth.
  • the two containers 2 and 3 made as individual parts have an absolutely identical cross-sectional shape in all details, i. it is therefore one and the same part that exists twice.
  • the container 3 is rotated relative to the container 2 only by 180 °, so that in each case the integrally formed on the two wall sections 41 and 46 snap connection elements can be positively joined together.
  • a support bar 48 is formed within the Schmidt- or Gegensperr leopards 45 on the wall portion 46, at which the coupling strip 40th radially supported. Obtained in this way two very stable locking connections, in particular, if instead of locking teeth locking teeth 43 and 45 are provided which form a permanent connection.
  • the Gegenrast- or Gegensperr leopard 45 can extend over the entire length or height of the container 2 and 3 and thus appear as a locking or locking rib in the cross-sectional shape of a latching or locking tooth.
  • FIGS. 5 and 6 While in the embodiment of FIGS. 5 and 6, the two containers 2 and 3, as in the embodiment of FIGS. 1 and 2, respectively provided with upper end walls 50 and 51, on which two equal metering pumps 4 sit, can according to FIGS. 8 and 9 a pump head 55 with two equal metering pumps 56 and 57 are placed on the two assembled containers 2 and 3, which in this case have no upper end walls.
  • the two containers 2 and 3 are provided at their upper ends with the wall thickness inwardly offset wall portions 59 and 60, the sealed by an annular wall 58 which has the same cross-sectional shape as the common outer shell 10 enclosed are.
  • This annular wall 58 is part of a common end wall 53, on which the two metering pumps 56 and 57 are arranged.
  • a hood-shaped actuator 61 is provided, which has two discharge openings 62 and 63 in adjacent arrangement. These discharge openings 62 and 63 are connected by delivery channels 64 and 65 with the metering pumps 56 and 57 in conjunction so that at each pump stroke of the actuator 61 from both containers 2 and 3 at the same time the media contained therein can be dispensed dosed.
  • annular wall extension 58 In order to secure the annular wall extension 58 in a simple manner and at the same time sealingly connect with the inwardly offset wall sections 59 and 60 of the two containers 2 and 3, it is expedient also locking elements z. B. in the form of annular ribs 65 and 66, which engage in corresponding annular grooves of the wall sections 59 and 60 or vice versa.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Package Specialized In Special Use (AREA)
  • Nozzles (AREA)
  • Closures For Containers (AREA)
EP98110250A 1997-11-17 1998-06-05 Zweikammer - Dosierspender Expired - Lifetime EP0916409B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29720316U DE29720316U1 (de) 1997-11-17 1997-11-17 Zweikammer-Dosierspender
DE29720316U 1997-11-17

Publications (3)

Publication Number Publication Date
EP0916409A2 EP0916409A2 (de) 1999-05-19
EP0916409A3 EP0916409A3 (de) 2002-02-06
EP0916409B1 true EP0916409B1 (de) 2006-01-25

Family

ID=8048701

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98110250A Expired - Lifetime EP0916409B1 (de) 1997-11-17 1998-06-05 Zweikammer - Dosierspender

Country Status (6)

Country Link
US (1) US6006948A (zh)
EP (1) EP0916409B1 (zh)
CN (1) CN1113789C (zh)
BR (1) BR9804741A (zh)
DE (2) DE29720316U1 (zh)
RU (1) RU2218294C2 (zh)

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US8512718B2 (en) 2000-07-03 2013-08-20 Foamix Ltd. Pharmaceutical composition for topical application
US6609576B1 (en) * 2000-11-28 2003-08-26 Melvin Hubbard Method and apparatus for vibratory kinetic energy generation and applications thereof
US6499900B1 (en) * 2001-10-16 2002-12-31 Owens-Illinois Closure Inc. Dual liquid dispensing packages
IL152486A0 (en) 2002-10-25 2003-05-29 Meir Eini Alcohol-free cosmetic and pharmaceutical foam carrier
US8119109B2 (en) 2002-10-25 2012-02-21 Foamix Ltd. Foamable compositions, kits and methods for hyperhidrosis
US7820145B2 (en) 2003-08-04 2010-10-26 Foamix Ltd. Oleaginous pharmaceutical and cosmetic foam
US20080138296A1 (en) 2002-10-25 2008-06-12 Foamix Ltd. Foam prepared from nanoemulsions and uses
US7700076B2 (en) 2002-10-25 2010-04-20 Foamix, Ltd. Penetrating pharmaceutical foam
US8900554B2 (en) 2002-10-25 2014-12-02 Foamix Pharmaceuticals Ltd. Foamable composition and uses thereof
US9211259B2 (en) 2002-11-29 2015-12-15 Foamix Pharmaceuticals Ltd. Antibiotic kit and composition and uses thereof
US9668972B2 (en) 2002-10-25 2017-06-06 Foamix Pharmaceuticals Ltd. Nonsteroidal immunomodulating kit and composition and uses thereof
US8486376B2 (en) 2002-10-25 2013-07-16 Foamix Ltd. Moisturizing foam containing lanolin
US7704518B2 (en) 2003-08-04 2010-04-27 Foamix, Ltd. Foamable vehicle and pharmaceutical compositions thereof
US9265725B2 (en) 2002-10-25 2016-02-23 Foamix Pharmaceuticals Ltd. Dicarboxylic acid foamable vehicle and pharmaceutical compositions thereof
US8119150B2 (en) 2002-10-25 2012-02-21 Foamix Ltd. Non-flammable insecticide composition and uses thereof
US10117812B2 (en) 2002-10-25 2018-11-06 Foamix Pharmaceuticals Ltd. Foamable composition combining a polar solvent and a hydrophobic carrier
MXPA05004278A (es) 2002-10-25 2005-10-05 Foamix Ltd Espuma cosmetica y farmaceutica.
US7575739B2 (en) 2003-04-28 2009-08-18 Foamix Ltd. Foamable iodine composition
DE10325404B4 (de) * 2003-06-05 2013-05-29 Willy Thenn Wässriges Suspensionsmedium mit lebensfähigen Milchsäurebakterien für probiotische Anwendungen
US8795693B2 (en) 2003-08-04 2014-08-05 Foamix Ltd. Compositions with modulating agents
US8486374B2 (en) 2003-08-04 2013-07-16 Foamix Ltd. Hydrophilic, non-aqueous pharmaceutical carriers and compositions and uses
DE102004056908A1 (de) * 2004-11-25 2006-06-01 Fischerwerke Artur Fischer Gmbh & Co. Kg Mehrkomponenten-Kartusche
DE202005014895U1 (de) * 2005-04-18 2006-08-24 Megaplast Gmbh & Co. Kg Spender zur Ausgabe flüssiger bis pastöser Massen
US20070069046A1 (en) * 2005-04-19 2007-03-29 Foamix Ltd. Apparatus and method for releasing a measure of content from a plurality of containers
US20080260655A1 (en) 2006-11-14 2008-10-23 Dov Tamarkin Substantially non-aqueous foamable petrolatum based pharmaceutical and cosmetic compositions and their uses
US8636982B2 (en) 2007-08-07 2014-01-28 Foamix Ltd. Wax foamable vehicle and pharmaceutical compositions thereof
WO2009056991A2 (en) * 2007-09-04 2009-05-07 Foamix Ltd. Device for delivery of a foamable composition
WO2009069006A2 (en) 2007-11-30 2009-06-04 Foamix Ltd. Foam containing benzoyl peroxide
US8518376B2 (en) 2007-12-07 2013-08-27 Foamix Ltd. Oil-based foamable carriers and formulations
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EP2242476A2 (en) 2008-01-14 2010-10-27 Foamix Ltd. Poloxamer foamable pharmaceutical compositions with active agents and/or therapeutic cells and uses
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CA2769625C (en) 2009-07-29 2017-04-11 Foamix Ltd. Non surfactant hydro-alcoholic foamable compositions, breakable foams and their uses
US10029013B2 (en) 2009-10-02 2018-07-24 Foamix Pharmaceuticals Ltd. Surfactant-free, water-free formable composition and breakable foams and their uses
US9849142B2 (en) 2009-10-02 2017-12-26 Foamix Pharmaceuticals Ltd. Methods for accelerated return of skin integrity and for the treatment of impetigo
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KR102023143B1 (ko) * 2012-11-08 2019-09-19 술저 믹스팩 아게 2개 이상의 유동성 성분을 위한 카트리지
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WO2020115600A1 (en) * 2018-12-04 2020-06-11 3M Innovative Properties Company A syringe for storing and dispensing a material
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EP0294672B1 (de) * 1987-06-10 1992-08-12 Wilhelm A. Keller Doppel-Austragkartusche für Zweikomponentenmassen
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FR2722431B1 (fr) * 1994-07-12 1996-09-13 Lir France Sa Distributeur double pour produits fluides

Also Published As

Publication number Publication date
EP0916409A2 (de) 1999-05-19
US6006948A (en) 1999-12-28
DE29720316U1 (de) 1998-01-29
BR9804741A (pt) 1999-11-16
CN1113789C (zh) 2003-07-09
CN1217278A (zh) 1999-05-26
EP0916409A3 (de) 2002-02-06
DE59813353D1 (de) 2006-04-13
RU2218294C2 (ru) 2003-12-10

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