EP0048420B1 - Spender - Google Patents

Spender Download PDF

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Publication number
EP0048420B1
EP0048420B1 EP81107222A EP81107222A EP0048420B1 EP 0048420 B1 EP0048420 B1 EP 0048420B1 EP 81107222 A EP81107222 A EP 81107222A EP 81107222 A EP81107222 A EP 81107222A EP 0048420 B1 EP0048420 B1 EP 0048420B1
Authority
EP
European Patent Office
Prior art keywords
container
dispenser
piston
air
outlet
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
Application number
EP81107222A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0048420A1 (de
Inventor
Georg Wiegner
Peter Geneschen
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.)
Henkel AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
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 Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Priority to AT81107222T priority Critical patent/ATE6195T1/de
Publication of EP0048420A1 publication Critical patent/EP0048420A1/de
Application granted granted Critical
Publication of EP0048420B1 publication Critical patent/EP0048420B1/de
Expired legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K5/00—Holders or dispensers for soap, toothpaste, or the like
    • A47K5/06—Dispensers for soap
    • A47K5/12—Dispensers for soap for liquid or pasty soap
    • A47K5/1201—Dispensers for soap for liquid or pasty soap hand-carried
    • 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
    • B05B11/1028—Pumps having a pumping chamber with a deformable wall
    • 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
    • B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
    • B05B11/028—Pistons separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container

Definitions

  • the invention relates to a dispenser with a cylindrical container having a top surface and with a circumference sealingly against the inner wall of the container and at the feed caused by negative pressure and atmospheric air pressure of a viscous container filling, such as toothpaste, in the direction of the top surface and with an inlet valve the top surface, a dispenser outlet valve and a diaphragm pump which remains between the valves and is elastically compressible and has a pump chamber which is closed except for the valves.
  • a viscous container filling such as toothpaste
  • a dispenser for pasty products of the above type is described in US-A-3361305.
  • smooth-running and tightly closing valves are required; care must also be taken to ensure that the piston, for example with the aid of sealing lips, slides along the cylindrical inner wall of the container as tightly as possible when it is being advanced. Leaks at this point can cause air to enter the interior of the container between the piston and the top surface and, if the diaphragm pump is actuated, it is pumped in place of the viscous product.
  • These leaks like leaks in the closed valves, have a negative effect on the pump filling level and thus on the metering accuracy.
  • the invention has for its object to improve and further develop the dispenser of the type mentioned at the outset such that both the amount of air pushed in before the product when filling the respective product - from the longitudinal end of the container opposite the top surface, and that when inserting or feeding the product Piston-trapped amount of air can be eliminated without special effort, in particular without a special process.
  • the solution according to the invention is characterized in the case of the dispenser with a cylindrical container having a top surface and a piston sealingly attached to the inner wall of the container and serving to advance the container filling in the direction of the top surface, and with a diaphragm pump which delivers product from the interior of the container when actuated Desired air leakage that does not allow the viscous container to be filled at the end of the inner wall of the container that is remote from the top surface in the form of a roughening of the cylindrical inner wall of the container in the piston insertion area, and another air leak that does not allow the container to be filled at the outlet opening downstream of the outlet of the diaphragm pump, which can be closed with a stopper cap.
  • the desired air leakage in the area of the stopper cover is preferably achieved in that a partial area of the stopper part of the cover is more inclined relative to the normal to the surface or plane of the outlet opening than the corresponding inner edge of the opening.
  • a wedge-like narrowing from the inside to the outside and therefore permeable to air but more tight than the viscous container contents can be formed.
  • the roughening which causes the desired air leakage on the container wall is only in the piston insertion area, i.e. provided at a substantial distance from the top surface on the inner wall of the container. This ensures that trapped air can escape between the piston surface and the product when the piston is inserted in the interior of the container.
  • the roughening should be so fine or have such a shallow roughness that air and other gases, but not the viscous container filling, can penetrate through the «roughening gap» between the piston circumference and the inner wall of the container.
  • the air which is pushed in front of the product when the respective product is filled into the container, from the rear side of which is opposite the cover surface, can normally be at the head of the dispenser, e.g. to prevent the contents of the container from drying out - escape the closing stopper cover.
  • the stopper part of the cover is expediently designed to be a little smaller on one side - because it is otherwise firmly seated - than would be necessary for complete airtightness.
  • the remaining gap which should in particular be designed as a wedge tapering from the inside out, can easily be designed such that it is air-permeable to a sufficient extent, but is to be regarded as tight with respect to the viscous mass contained in the container and also has a mechanically firm hold in the opening to be closed.
  • the dispenser shown in the drawing as a whole with 1 serves to make the principle on which the invention is based on a device which has been tried and tested in practice.
  • the dispenser 1 consists of a container 3 which is axially symmetrical with respect to the longitudinal axis 2 and has an integrated cover surface 4.
  • a piston 6 which has a circumferential sealing lip 5 and can be displaced in the direction of the arrow 8 against the container contents 7.
  • the piston 6 is inserted into the container 3 from the filling end 9 of the container 3 opposite it.
  • a diaphragm pump comprising an inlet valve 10 connected to the top surface 4 and an outlet valve 11 with elastically compressible pump chamber 12 remaining between the valves 10 and 11 and closed except for the valves.
  • a dome 13 made of flexible plastic serves as the elastically compressible component of the diaphragm pump. This dome 13 can have a neck 14 at the upper end for receiving the valve 11.
  • a mouthpiece 15 suitable for specifically dispensing the contents of the container can be placed on the neck 14.
  • the exit opening 16 of the mouthpiece 15 is expediently sealed with a cover 17 which closes the exit opening 16 in a manner similar to a stopper, e.g. to prevent product located in the outlet opening 13 from drying out.
  • a stopper e.g. to prevent product located in the outlet opening 13 from drying out.
  • the valve 11 When pressed, i.e. Depressing the dome 13 in the direction of the arrow 18, the valve 11 is opened in the direction of the arrow 19 and the valve 10 is closed in the direction of the arrow 20.
  • Product located in the pump chamber 12 can then be dispensed via the outlet opening 16 of the mouthpiece 15.
  • the valve 11 is closed in the opposite arrow direction 19 and the valve 10 is opened in the opposite arrow direction 20.
  • the vacuum which forms in this when the dome 13 is expanded causes product to be sucked in from the container interior 7, so that the pump chamber 12 is filled with the product again.
  • Difficulties can arise from the operation of the dispenser described above, provided that when the container 3 is filled from the filling end 9 with the respective intended product, a certain amount of air is trapped or trapped in front of it.
  • the lid 17 should actually be removed from the mouthpiece 15 in order to ensure that air present in the dispenser head can escape before the product penetrates.
  • a temporary loosening of the lid 17 of the outlet opening 16 cannot be integrated without considerable effort, in particular because the dispenser head is usually prefabricated with a protective slip lid 21.
  • the plug cover 17 can also not be completely dispensed with without accepting the risk of premature drying out or other damage to the product which has penetrated to the outlet channel.
  • the lid 17 is formed at least in part of its edge area in such a way that it is airtight but is to be regarded as leakproof with respect to the relatively viscous container contents.
  • a gap 24 narrowing in a wedge-like manner from the inside to the outside is preferably formed between an edge 22 of the plug part of the cover 17 and the corresponding inner edge 23 of the outlet opening 16.
  • the gap 24 should be so wide that it is permeable to air when filling the freshly assembled dispenser 1 and therefore allows the container interior 7 and at least also the pump chamber 12 to be completely filled, in such a way that the diaphragm pump already does this during the first start-up and the first stroke promotes viscous material contained in the container.
  • the solution according to the invention consists in that an intentional air leakage, which does not allow the viscous container filling, in the form of a roughening 26 of the cylindrical container inner wall 25 in a relatively narrow piston insert region 27, which lies opposite the cover surface 4 and adjoins the filling end 9 of the container see is.
  • the roughening 26, which is to be produced directly during the production, in particular injection molding, of the container 3, should have such a topology and / or roughness depth that air can penetrate through the "rough gap" between the piston circumference 6 and the inner container wall 25, but this gap does Leakage of the product contained in the container interior 7 does not allow.
  • the inner wall 25 of the container is roughened according to the invention only in the piston insertion area 27 and, moreover, is so smooth that the sealing lips 5 of the piston 6, which act as cylinder rings, also form an appreciably airtight seal. This is because the penetration or intake of air into the container interior 7 must be avoided when the piston is being advanced, because sooner or later the membrane pump would no longer convey the product but only more or less air. In the arrangement according to the invention, difficulties do not arise in this regard either, since the desired air leakage of the gap between the piston and the inner wall of the cylinder is prescribed only in the piston insertion area and the piston 6 can practically be lifted beyond the rough area after the first pump stroke at least with a sealing lip 5 .
  • the length and the diameter of an exemplary embodiment of the container 3 of the dispenser described are in the order of 45 and 130 mm, respectively.
  • the body of the container including the top surface 4 and associated valve parts and the piston 6 can be made of hard-made polypropylene, for example. Similar material can be used for the parts of the valve 11, the mouthpiece 15 and the cover 17.
  • the flexible, elastic dome 13, however, can be made of a thermoplastic polyester elastomer.

Landscapes

  • Public Health (AREA)
  • Health & Medical Sciences (AREA)
  • Closures For Containers (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Coating Apparatus (AREA)
  • Cosmetics (AREA)
  • Laminated Bodies (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Surgical Instruments (AREA)
  • Valve Device For Special Equipments (AREA)
  • Electron Tubes For Measurement (AREA)
  • Devices For Use In Laboratory Experiments (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
EP81107222A 1980-09-22 1981-09-14 Spender Expired EP0048420B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81107222T ATE6195T1 (de) 1980-09-22 1981-09-14 Spender.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3035705 1980-09-22
DE19803035705 DE3035705A1 (de) 1980-09-22 1980-09-22 Spender

Publications (2)

Publication Number Publication Date
EP0048420A1 EP0048420A1 (de) 1982-03-31
EP0048420B1 true EP0048420B1 (de) 1984-02-15

Family

ID=6112560

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81107222A Expired EP0048420B1 (de) 1980-09-22 1981-09-14 Spender

Country Status (11)

Country Link
US (1) US4402431A (ja)
EP (1) EP0048420B1 (ja)
JP (1) JPS5768368A (ja)
AT (1) ATE6195T1 (ja)
BR (1) BR8106023A (ja)
DE (2) DE3035705A1 (ja)
DK (1) DK149164C (ja)
ES (1) ES260419Y (ja)
FI (1) FI70861C (ja)
NO (1) NO154163C (ja)
ZA (1) ZA816552B (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2617083A1 (fr) * 1987-06-29 1988-12-30 Magrini Gilles Dispositif pour le decoupage de la pierre
DE20201742U1 (de) * 2002-02-05 2003-03-20 Rpc Wiko Gmbh & Co Kg Spender für fließfähige Produkte
DE20203882U1 (de) * 2002-03-11 2003-04-17 Rpc Wiko Gmbh & Co Kg Spender zur Applikation fließfähiger Produkte

Families Citing this family (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3045048C2 (de) * 1980-11-29 1986-04-17 Bramlage Gmbh, 2842 Lohne Spender für pastöse Massen
EP0084638B1 (de) * 1982-01-19 1987-12-23 Gap Gesellschaft Für Auswertungen Und Patente Ag Spender für pastöse Produkte
USRE33247E (en) * 1982-01-19 1990-07-03 Gap Gesellschaft Fur Auswertungen Und Patente Ag Dispenser for paste-like products
DE3222492A1 (de) * 1982-06-15 1983-12-15 Joachim 8405 Donaustauf Czech Spender fuer pastoese produkte
JPS59112772U (ja) * 1983-01-18 1984-07-30 株式会社吉野工業所 クリ−ム状物収納容器
DE3303002A1 (de) * 1983-01-29 1984-08-02 Alfred Von 4178 Kevelaer Schuckmann Spender zur portionierten ausgabe insbesondere pastoeser massen
US4533069A (en) * 1983-10-31 1985-08-06 The Procter & Gamble Company Pump-type dispenser
US4640442A (en) * 1983-10-31 1987-02-03 The Procter & Gamble Company Dispensing package and follower deivce
JPH0627057B2 (ja) * 1984-06-29 1994-04-13 ライオン株式会社 流動性組成物
US4684043A (en) * 1984-09-24 1987-08-04 Realex Corporation Shipping seal for viscous product dispenser
DE3684014D1 (de) * 1985-10-15 1992-04-02 Pan American Trading Co Ltd Einspritzvorrichtung fuer fluessigzement.
GB2182726B (en) * 1985-11-09 1989-10-25 Metal Box Plc Dispensers for pasty or viscous products
US4716036A (en) * 1986-01-22 1987-12-29 Colgate-Palmolive Company Stabilized dental cream containing vegetable oil
US4949875A (en) * 1986-02-18 1990-08-21 Youti Kuo Dispenser with integrated cover for paste-like material
GB8617350D0 (en) * 1986-07-16 1986-08-20 Metal Box Plc Pump chamber dispenser
US5000355A (en) * 1986-07-30 1991-03-19 Beecham Inc. Pump dispenser
FR2605983B1 (fr) * 1986-11-03 1988-12-02 Cebal Distributeur pour produit pateux et procede d'introduction de son piston a l'interieur de son corps tubulaire
US4705194A (en) * 1986-12-12 1987-11-10 Joseph Judge Toothbrush holder attachment for toothpaste tubes
US4817826A (en) * 1986-12-12 1989-04-04 Joseph Judge Toothbrush holder for stand-up toothpaste dispensers
US4854484A (en) * 1987-01-28 1989-08-08 Chesebrough-Pond's Inc. Viscous product dispenser
US4809878A (en) * 1987-01-28 1989-03-07 Chesebrough-Pond's Inc. Pump dispenser for viscous fluids
GB2204099B (en) * 1987-04-29 1991-04-24 Metal Box Plc Pump chamber dispenser
DE3733354A1 (de) * 1987-10-02 1989-04-13 Bramlage Gmbh Spender fuer pastoese massen
DE3734812A1 (de) * 1987-10-14 1989-04-27 Mega Prod Verpack Marketing Spender fuer pastoese massen
US4936493A (en) * 1987-11-23 1990-06-26 Calmar, Inc. Elastomeric valve and piston structure for product dispenser
US4830228A (en) * 1988-04-15 1989-05-16 Owens-Illinois Closure Inc. Dispenser package for viscous fluids
CA2000501C (en) * 1988-10-13 1996-12-03 Paul Appleby Inverted dispenser
US5056690A (en) * 1989-02-03 1991-10-15 Lion Corporation Dispensing container for viscous material
US5249709A (en) * 1989-10-16 1993-10-05 Plas-Pak Industries, Inc. Cartridge system for dispensing predetermined ratios of semi-liquid materials
JPH03291732A (ja) * 1990-04-10 1991-12-20 Mitsubishi Electric Corp メモリ参照方式
GB9118711D0 (en) * 1991-08-31 1991-10-16 Smithkline Beecham Plc Novel device
GB9202150D0 (en) * 1992-01-31 1992-03-18 Unilever Plc Pump dispensers
US5449094A (en) * 1992-05-18 1995-09-12 Sofab Dispenser with plunging sleeve
IT1256628B (it) * 1992-12-04 1995-12-12 Distributore di sostanze fluide, con testa deformabile
CA2167633A1 (en) * 1995-01-23 1996-07-24 Leonard R. Fishler Apparatus and method for efficient modularity in a parallel, fault tolerant, message based operating system
DE29717034U1 (de) * 1997-09-23 1999-01-28 Wischerath Josef Gmbh Co Kg Spenderpumpe, Spender und Spender-Baukastensystem
IT1298131B1 (it) 1998-01-15 1999-12-20 Capsol S P A Stampaggio Resine Erogatore di sostanze pastose o cremose
DE20117778U1 (de) * 2001-10-31 2003-03-20 Sulzer Chemtech Ag Winterthur Kartuschenkolben mit Entlüftung
DE20203473U1 (de) * 2002-03-05 2003-04-17 Rpc Wiko Gmbh & Co Kg Spender für fließfähige Produkte mit kugelförmig eingekapselten Bestandteilen
US6899254B1 (en) * 2004-01-20 2005-05-31 Plas-Pak Industries, Inc. Venting seal for dispenser
US7654418B2 (en) * 2004-08-30 2010-02-02 Rieke Corporation Airless dispensing pump
US7367476B2 (en) 2004-08-30 2008-05-06 Rieke Corporation Airless dispensing pump with tamper evidence features
WO2006033524A1 (en) * 2004-09-24 2006-03-30 Sungil Kang Cosmetic bottle structure for discharging fixed quantity of highly viscosity cosmetic.
WO2006037112A2 (en) * 2004-09-27 2006-04-06 Medical Instill Technologies, Inc. Laterally-actuated dispenser with one- way valve for storing and dispensing metered amounts of substances
US8132695B2 (en) 2006-11-11 2012-03-13 Medical Instill Technologies, Inc. Multiple dose delivery device with manually depressible actuator and one-way valve for storing and dispensing substances, and related method
DE102008029004A1 (de) * 2007-06-29 2009-01-02 Rpc Bramlage Gmbh Spender zur Ausgabe flüssiger oder pastöser Massen
JP6039984B2 (ja) * 2012-09-28 2016-12-07 株式会社吉野工業所 吐出容器
CN105555677B (zh) * 2013-06-18 2017-06-06 姜成一 内容物排出泵
FR3068265B1 (fr) * 2017-06-28 2022-02-25 Gb Dev Distributeur de fluide par pression sur une paroi deformable du contenant
CN109878885A (zh) * 2019-04-11 2019-06-14 宁波金雨科技实业有限公司 一种新型可重复使用的乳液泵
IT202000025597A1 (it) 2020-10-28 2022-04-28 Guala Dispensing Spa Dispenser per prodotti pastosi con valvola di mandata
IT202000025594A1 (it) * 2020-10-28 2022-04-28 Guala Dispensing Spa Dispenser per prodotti pastosi con valvola di aspirazione
IT202100007847A1 (it) 2021-03-30 2022-09-30 Guala Dispensing Spa Testa di erogazione a grilletto per un dispositivo di erogazione per prodotti pastosi, ad esempio per paste dentifricie
IT202100020513A1 (it) 2021-07-30 2023-01-30 Guala Dispensing Spa Testa di erogazione a grilletto per un dispositivo di erogazione per prodotti pastosi, ad esempio per paste dentifricie

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2649999A (en) * 1952-01-28 1953-08-25 Donald J Burch Caulking compound tube
US3075675A (en) * 1957-11-29 1963-01-29 Gibson Homans Company Piston arrangement for dispensing partially compressible plastic materials
US3361305A (en) * 1966-06-27 1968-01-02 Walter B. Spatz Dispenser for fluent masses
HU166475B (ja) * 1972-05-17 1975-03-28
JPS516160U (ja) * 1974-07-02 1976-01-17
DE2611644A1 (de) * 1976-03-19 1977-09-29 Henkel & Cie Gmbh Behaelter fuer kosmetika
DE2901717A1 (de) * 1979-01-17 1980-07-31 Joachim Czech Spender fuer pastoese produkte

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2617083A1 (fr) * 1987-06-29 1988-12-30 Magrini Gilles Dispositif pour le decoupage de la pierre
DE20201742U1 (de) * 2002-02-05 2003-03-20 Rpc Wiko Gmbh & Co Kg Spender für fließfähige Produkte
EP1332798A2 (de) * 2002-02-05 2003-08-06 RPC Wiko GmbH & Co. KG Spender für flüssige oder pastöse Produkte
EP1332798A3 (de) * 2002-02-05 2003-08-20 RPC Wiko GmbH & Co. KG Spender für flüssige oder pastöse Produkte
DE20203882U1 (de) * 2002-03-11 2003-04-17 Rpc Wiko Gmbh & Co Kg Spender zur Applikation fließfähiger Produkte

Also Published As

Publication number Publication date
NO812866L (no) 1982-03-23
DE3162308D1 (en) 1984-03-22
DK373681A (da) 1982-03-23
FI70861C (fi) 1986-10-27
BR8106023A (pt) 1982-06-08
ES260419Y (es) 1987-05-16
ATE6195T1 (de) 1984-03-15
DE3035705A1 (de) 1982-05-06
FI812606L (fi) 1982-03-23
ES260419U (es) 1982-03-16
DK149164C (da) 1986-10-13
DK149164B (da) 1986-02-24
NO154163C (no) 1986-08-06
NO154163B (no) 1986-04-21
FI70861B (fi) 1986-07-18
ZA816552B (en) 1982-09-29
EP0048420A1 (de) 1982-03-31
JPH0227231B2 (ja) 1990-06-15
US4402431A (en) 1983-09-06
JPS5768368A (en) 1982-04-26

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