WO2001039893A1 - Bouchon dote d'une pompe de pulverisation - Google Patents

Bouchon dote d'une pompe de pulverisation Download PDF

Info

Publication number
WO2001039893A1
WO2001039893A1 PCT/EP2000/012091 EP0012091W WO0139893A1 WO 2001039893 A1 WO2001039893 A1 WO 2001039893A1 EP 0012091 W EP0012091 W EP 0012091W WO 0139893 A1 WO0139893 A1 WO 0139893A1
Authority
WO
WIPO (PCT)
Prior art keywords
cap
piston
duct
liquid
container
Prior art date
Application number
PCT/EP2000/012091
Other languages
English (en)
Inventor
Stefano Santagiuliana
Original Assignee
Taplast S.P.A.
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 Taplast S.P.A. filed Critical Taplast S.P.A.
Priority to AU23617/01A priority Critical patent/AU2361701A/en
Publication of WO2001039893A1 publication Critical patent/WO2001039893A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/0018—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam
    • B05B7/005—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam wherein ambient air is aspirated by a liquid flow
    • B05B7/0056—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam wherein ambient air is aspirated by a liquid flow with disturbing means promoting mixing, e.g. balls, crowns
    • B05B7/0062—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam wherein ambient air is aspirated by a liquid flow with disturbing means promoting mixing, e.g. balls, crowns including sieves, porous members or the like
    • 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
    • B05B11/0005—Components or details
    • B05B11/0037—Containers
    • B05B11/0039—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means
    • B05B11/0044—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means compensating underpressure by ingress of atmospheric air into the container, i.e. with venting means
    • 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
    • B05B11/1087—Combination of liquid and air pumps
    • 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
    • B05B11/1098—Air being permanently entrapped or sucked into the liquid pump chamber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/0018—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam
    • B05B7/0025—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam with a compressed gas supply
    • B05B7/0031—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam with a compressed gas supply with disturbing means promoting mixing, e.g. balls, crowns
    • B05B7/0037—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam with a compressed gas supply with disturbing means promoting mixing, e.g. balls, crowns including sieves, porous members or the like
    • 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
    • B05B11/1042—Components or details
    • B05B11/1066—Pump inlet valves

Definitions

  • the invention concerns a cap with spray pump for soap or liquid detergent in general, removably coupled to a container, especially suited to spraying liquids under the form of foam. It is known that to obtain the formation of foam from a liquid detergent, contained in a container, it has to be mixed with air and then filtered through suitable filter elements to favour the formation of foam on spraying. For this purpose containers are fitted with caps with special hand operated spray pumps, which comprise a hollow body enclosing an air-liquid mixing chamber having a suction duct for the air and a suction duct for the liquid.
  • the air required to create the foam is sucked up from inside the container through a duct having its suction inlet set above the liquid surface while the suction duct for the liquid consists of a tube immersed in the actual liquid.
  • a piston slidingly coupled in the hollow body sucks the liquid and the air simultaneously to mix them before making them pass through a filter that transforms them into foam.
  • the inside of the piston also has a duct connecting with the outside that allows the foam to be sprayed.
  • Elastic devices usually consisting of metal coil springs, inserted between the hollow body and the piston, guarantee that the latter springs back into its idle position.
  • Valve devices normally consisting of metal ball bearings fitted downstream to the suction ducts and the duct connecting with the outside, control both the air and liquid flows that are channelled into the mixing chamber and the spray of foam.
  • the operation of the spray pumps basically comprise a first stage of spraying the foam and a second stage for preparing the actual foam, which correspond to the compression and suction stages respectively of the piston.
  • the user by pressing the piston, simultaneously loads the elastic devices, compresses the fluid contained in the air-liquid mixing chamber and opens the duct connecting with the outside, spraying the foam.
  • the elastic recoil of the piston generates a depression inside the mixing chamber, which opens the liquid and air suction ducts mixing them and priming the pump for the subsequent spray.
  • An additional duct opening to the outside restores the pressure inside the container.
  • the first inconvenience in the type of products described above is that for the spray pump to work well, the liquid to be sprayed must never block the air suction channel, which thereby limits the quantity of liquid that can be contained in the actual container.
  • the first inconvenience of this kind of solution is that while filling the container and during transport, the liquid may reach this suction inlet, blocking the air suction channel.
  • Another inconvenience is tied to the configuration of the valve devices and arises from the unintentional spraying of foam or liquid when the container is compressed.
  • the scope of this invention is to overcome the aforesaid inconveniences.
  • a first scope of this invention is to produce a cap with spray pump for spraying a liquid under the form of foam that always obtains an optimum spray of foam.
  • An additional scope is to produce a cap that allows to close the container hermetically preventing accidental sprays of liquid when the container is compressed.
  • Another scope of the invention is to produce a cap made in every part from recyclable plastic.
  • An additional scope is to produce a pump having a high performance when compared to known caps, in terms of quality of foam sprayed.
  • Last but not least, a scope of the invention is to produce a cap having a simple, inexpensive construction.
  • a cap with spray pump provided with means for the removable coupling to the neck of a container holding the liquid to be sprayed under the form of foam that, in accordance with the main claim comprises:
  • At least one hollow body enclosing an air-liquid mixing chamber, having at least one first air suction duct with the suction inlet set next to the neck of said container and at least one suction duct for said liquid at least partly immersed in the actual liquid;
  • valve devices comprise cut-off systems suited to close said suction inlet when said first piston is aligned with said suction inlet.
  • An advantage of the invention is that it provides an optimum spray and the creation of foam right from the first time it is used.
  • Another advantage of the invention is that it produces a cap with spray pump that can be fully recycled.
  • Yet another advantage of the invention is that it allows the container to be closed hermetically, thereby preventing liquid from being accidentally sprayed from the actual container, even under form of foam.
  • Another advantage of the invention is that it allows to fill the container completely guaranteeing the pump sprays foam properly.
  • - fig. 1 illustrates a section of the cap with spray pump invention applied to a container
  • - fig. 2 shows an enlarged detail of the cap with pump in fig. 1 ;
  • - fig.'s 3 and 4 illustrate a view and section respectively of a valve element of the cap invention
  • - fig. 5 illustrates a magnified view of a filter element of the cap in fig. 1 ;
  • - fig. 6 shows a section of the detail in fig. 5;
  • the cap with spray pump under this invention is illustrated in fig. 1 , where it is generally indicated by 1 , and is provided with means for a removable coupling 2 to neck O of a container C containing a liquid L to be sprayed under the form of foam.
  • It comprises a hollow body 3 enclosing an air-liquid mixing chamber 4 having a first air suction duct 5, shown in detail in fig. 2, with the suction inlet 6 set next to the neck O of the container C and a suction duct 7 for liquid L at least partially immersed in the actual liquid L.
  • a first piston 8 is slidingly coupled to the hollow body 3 and moves from a lower dead centre 9 at the bottom 10 of the mixing chamber 4 to an upper dead centre 11 aligned with the suction inlet 6.
  • a second piston 12 is slidingly coupled to the first piston 8, and its inside has a tubular chamber 13 connecting with the outside by a spray duct 14 for the foam and with the mixing chamber 4 through a connecting duct 15.
  • Elastic devices, generally indicated by 16, inserted between the two pistons 8 and 12 and the hollow body 3 make the movement of pistons 8 and 12 yield flexibly inside the mixing chamber 4.
  • Valve devices are fitted downstream to the air suction duct 5 and the liquid suction duct 7, while means of filtering 18a and 18b are mounted upstream and downstream respectively to the tubular chamber 13 and are suited to favouring the formation of foam when it is sprayed.
  • the invention prescribes that the valve devices 17 comprise first cut-off system, generally indicated by 19, suited to closing the suction inlet 6 when the first piston 8 is aligned with the actual suction inlet 6.
  • first cut-off system 19 consists of a section of the ringed surface of the first piston 8 against the hollow body 3.
  • the elastic devices 16 consist of a bellows spring 20 made of plastic, which preferably has a tapering cylinder shape but may, according to another form of execution, have other shapes such as for instance a cylindrical shape.
  • the bellows spring 20 also has spiral ribbing 21 around its perimeter that guarantees its elastic properties.
  • the cap 1 also comprises, as can be seen in fig. 2, a second air suction duct
  • This second duct 22 connected with the outside of the container C, suited to maintaining the inside pressure of the container C equal to atmospheric pressure.
  • This second duct 22 has an inlet 23 positioned inside the container C and next to the neck O of the container itself.
  • valve devices 17 also comprise second and third cut-off systems 24 and
  • valve devices 17 also have a valve element 27 placed next to the bottom 10 of the mixing chamber 4 suited to individually closing/opening the air suction duct 5 and the liquid suction duct 7 respectively, during the compression/suction stage, illustrated in fig.'s 7 and 8.
  • the second cut-off system 24, as seen in fig. 2, consists of a ringed surface of the first piston 8 against the second piston 12, while the valve element 27, detailed in fig.'s 3 and 4, comprises a basically flat main body 28 with a series of flexible spokes 29 that branch off from its perimeter set against the hollow body 3.
  • the second piston 12 slides vertically inside the first piston 8 until the connecting duct 15 is opened, allowing a passage for the foam that is found inside the air-liquid mixing chamber 4 within the tubular chamber 13 and opening the suction inlet 6 and the inlet 23.
  • the movement of the second piston 12 takes with it the first piston 8, compressing the air-liquid mix contained in the chamber 4, which, blocked by the valve devices 27, rises inside the tubular chamber 13 until it reaches the second filter element 18b and finally the spray duct 14 allowing the foam S to be released.
  • the second piston 12 is pushed by the bellows spring 20 and slides inside the first piston 8 so it closes the connecting duct 15, until it draws with it the first piston 8.
  • the depression that is then created inside the air-liquid mixing chamber 4 raises the main body 28 of the valve element 27 thereby opening the suction ducts 7 of liquid L and the first air suction duct 5.
  • the air and liquid now mixed reach the first filter element 18a mounted downstream to the two suction ducts 5 and 7, generating the foam that is collected inside the air-liquid mixing chamber 4.
  • the second piston 12 reaches the upper dead centre 11 , as illustrated in fig. 1 , closing the suction inlet 6 and the inlet 23, thereby making the container and air-liquid mixing chamber 4 fully airtight and preparing the spray pump for a subsequent spray.

Landscapes

  • Closures For Containers (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

L'invention concerne un bouchon doté d'une pompe de pulvérisation (1) d'un conteneur (C) contenant un liquide à pulvériser sous forme de mousse. Ce bouchon comprend au moins un corps creux (3), renfermant une chambre de mélange air-liquide (4); un premier piston (8) se glissant dans ce corps creux (3); un second piston (12) se glissant dans ce premier piston (8), l'intérieur de celui-ci présentant au moins une chambre tubulaire (13) qui est reliée à au moins une buse de pulvérisation (14) destinée faire sortir la mousse à l'extérieur et au moins une buse de connexion (15) à la chambre de mélange (4); des dispositifs élastiques (16) insérés entre au moins un des pistions (8, 12) et au moins un des corps creux (3); des premiers dispositifs de valve (17) placés en aval par rapport au premier conduit d'aspiration d'air (5) et au conduit d'aspiration (7) pour le liquide; des moyens de filtrage (18) montés en amont et/ou en aval par rapport à la chambre tubulaire afin de favoriser la formation de la mousse pendant la pulvérisation. Les dispositifs de valve (17) comprennent un premier système de fermeture (19) conçu pour fermer l'orifice d'aspiration (6) lorsque le premier piston (8) est aligné avec cet orifice d'aspiration (6).
PCT/EP2000/012091 1999-12-02 2000-12-01 Bouchon dote d'une pompe de pulverisation WO2001039893A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU23617/01A AU2361701A (en) 1999-12-02 2000-12-01 Cap with spray pump

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITVI99A000246 1999-12-02
IT1999VI000246A IT1307524B1 (it) 1999-12-02 1999-12-02 Tappo con pompa erogatrice.

Publications (1)

Publication Number Publication Date
WO2001039893A1 true WO2001039893A1 (fr) 2001-06-07

Family

ID=11427221

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2000/012091 WO2001039893A1 (fr) 1999-12-02 2000-12-01 Bouchon dote d'une pompe de pulverisation

Country Status (3)

Country Link
AU (1) AU2361701A (fr)
IT (1) IT1307524B1 (fr)
WO (1) WO2001039893A1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2362340A (en) * 2000-05-18 2001-11-21 Ophardt Product Kg Apparatus for making and dispensing foam
EP1266696A1 (fr) * 2001-06-13 2002-12-18 Taplast S.p.A. Pompe à soufflet pour la distribution de mélanges gaz-liquide
US6612468B2 (en) 2000-09-15 2003-09-02 Rieke Corporation Dispenser pumps
DE102004050977A1 (de) * 2004-10-14 2006-04-20 Ing. Erich Pfeiffer Gmbh Dosiervorrichtung für wenigstens ein Medium
EP2135681A2 (fr) 2008-06-20 2009-12-23 Gojo Industries, Inc. Pompe à mousse à deux temps
US7802701B2 (en) 2005-01-14 2010-09-28 Rieke Corporation Up-lock seal for dispenser pump
WO2011144861A1 (fr) * 2010-05-18 2011-11-24 Francis Poizot Dispositif de production de creme de mousse
EP2820988A1 (fr) * 2013-07-06 2015-01-07 Xiamen Runner Industrial Corporation Distributeur de savon mousse
JP2015163523A (ja) * 2014-02-28 2015-09-10 株式会社吉野工業所 液体容器用吐出ポンプ
WO2016193764A1 (fr) 2015-06-05 2016-12-08 Rieke Packaging Systems Limited Distributeurs de mousse

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5443569A (en) * 1993-03-05 1995-08-22 Daiwa Can Company Foam dispensing pump container
WO1996028257A1 (fr) * 1995-03-10 1996-09-19 Taplast Spa Pompe en plastique pour distribuer des produits a partir de recipients
JPH09187691A (ja) * 1996-12-26 1997-07-22 Yoshino Kogyosho Co Ltd 泡噴出容器
JPH1099740A (ja) * 1996-09-26 1998-04-21 Yoshino Kogyosho Co Ltd 液体注出容器
WO1998037978A1 (fr) * 1997-02-28 1998-09-03 Taplast S.P.A. Pompe doseuse pour distribuer des substances liquides ou epaisses a partir de recipients

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5443569A (en) * 1993-03-05 1995-08-22 Daiwa Can Company Foam dispensing pump container
WO1996028257A1 (fr) * 1995-03-10 1996-09-19 Taplast Spa Pompe en plastique pour distribuer des produits a partir de recipients
JPH1099740A (ja) * 1996-09-26 1998-04-21 Yoshino Kogyosho Co Ltd 液体注出容器
JPH09187691A (ja) * 1996-12-26 1997-07-22 Yoshino Kogyosho Co Ltd 泡噴出容器
WO1998037978A1 (fr) * 1997-02-28 1998-09-03 Taplast S.P.A. Pompe doseuse pour distribuer des substances liquides ou epaisses a partir de recipients

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 11 28 November 1997 (1997-11-28) *
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 09 31 July 1998 (1998-07-31) *

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2362340A (en) * 2000-05-18 2001-11-21 Ophardt Product Kg Apparatus for making and dispensing foam
GB2362340B (en) * 2000-05-18 2004-12-01 Ophardt Product Kg Apparatus for making and dispensing foam
US6612468B2 (en) 2000-09-15 2003-09-02 Rieke Corporation Dispenser pumps
EP1266696A1 (fr) * 2001-06-13 2002-12-18 Taplast S.p.A. Pompe à soufflet pour la distribution de mélanges gaz-liquide
WO2002100554A1 (fr) * 2001-06-13 2002-12-19 Taplast Spa Pompe a soufflet pour la distribution de melange gaz-liquide
CN1296142C (zh) * 2001-06-13 2007-01-24 泰普勒斯特股份公司 用于输送气－液混合物的波纹管式泵
US7246723B2 (en) 2001-06-13 2007-07-24 Taplast Spa Bellows pump for delivery of gas-liquid mixtures
DE102004050977A1 (de) * 2004-10-14 2006-04-20 Ing. Erich Pfeiffer Gmbh Dosiervorrichtung für wenigstens ein Medium
US7946455B2 (en) 2004-10-14 2011-05-24 Ing. Erich Pfeiffer Gmbh Metering device for at least one medium
US7802701B2 (en) 2005-01-14 2010-09-28 Rieke Corporation Up-lock seal for dispenser pump
JP2010001077A (ja) * 2008-06-20 2010-01-07 Gojo Ind Inc 二行程式泡ポンプ
EP2135681A3 (fr) * 2008-06-20 2011-04-27 Gojo Industries, Inc. Pompe à mousse à deux temps
EP2135681A2 (fr) 2008-06-20 2009-12-23 Gojo Industries, Inc. Pompe à mousse à deux temps
US8267284B2 (en) 2008-06-20 2012-09-18 Gojo Industries, Inc. Two-stroke foam pump
AU2009202437B2 (en) * 2008-06-20 2013-07-11 Gojo Industries Inc. Two-stroke foam pump
WO2011144861A1 (fr) * 2010-05-18 2011-11-24 Francis Poizot Dispositif de production de creme de mousse
FR2960166A1 (fr) * 2010-05-18 2011-11-25 Gerard Sannier Dispositif de production de creme de mousse
EP2859956A1 (fr) * 2010-05-18 2015-04-15 Gérard Sannier Dispositif de production de crème de mousse
EP2820988A1 (fr) * 2013-07-06 2015-01-07 Xiamen Runner Industrial Corporation Distributeur de savon mousse
JP2015163523A (ja) * 2014-02-28 2015-09-10 株式会社吉野工業所 液体容器用吐出ポンプ
WO2016193764A1 (fr) 2015-06-05 2016-12-08 Rieke Packaging Systems Limited Distributeurs de mousse

Also Published As

Publication number Publication date
ITVI990246A1 (it) 2001-06-02
AU2361701A (en) 2001-06-12
IT1307524B1 (it) 2001-11-06

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