EP1165247B1 - Pumpe mit rücksaugeffekt - Google Patents

Pumpe mit rücksaugeffekt Download PDF

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Publication number
EP1165247B1
EP1165247B1 EP00911014A EP00911014A EP1165247B1 EP 1165247 B1 EP1165247 B1 EP 1165247B1 EP 00911014 A EP00911014 A EP 00911014A EP 00911014 A EP00911014 A EP 00911014A EP 1165247 B1 EP1165247 B1 EP 1165247B1
Authority
EP
European Patent Office
Prior art keywords
piston
tube
chamber
pump
orifice
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
EP00911014A
Other languages
English (en)
French (fr)
Other versions
EP1165247A1 (de
Inventor
Jean-Louis Bougamont
Christophe Roy
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.)
Silgan Dispensing Systems Le Treport SAS
Original Assignee
Rexam Dispensing Systems SAS
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 Rexam Dispensing Systems SAS filed Critical Rexam Dispensing Systems SAS
Publication of EP1165247A1 publication Critical patent/EP1165247A1/de
Application granted granted Critical
Publication of EP1165247B1 publication Critical patent/EP1165247B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B05B11/1097—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 with means for sucking back the liquid or other fluent material in the nozzle after a dispensing stroke
    • 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
    • B05B11/1001—Piston pumps
    • B05B11/1023—Piston pumps having an outlet valve opened by deformation or displacement of the piston relative to its actuating stem

Definitions

  • the present invention relates to a pump and more particularly a pump for liquid cosmetic products from type creams.
  • Traditional pumps include a body cylindroconical delimiting a metering chamber closed at its part lower by an inlet valve and at its upper part by a movable piston cooperating with elastic return means by being carried coaxially by a spray tube, the upper end of which protrusion outside the pump body and the lower end of which is provided with at least one exhaust port.
  • These pumps are intended to equip tanks such as bottles and the whole thus forms a packaging system and distribution.
  • Such pumps are described in particular in the EP 0 888 824 and EP 0 757 004 where the piston is also mounted sliding on the one hand around the spray tube between a position closing the exhaust port and a full position opening of said orifice and, on the other hand, in sealed peripheral contact with the internal wall of said chamber between a high stop and a lower end stop; the coefficient of friction between the piston and tube being less than the coefficient of friction between said piston and the inner wall of the body.
  • the object of the present invention is to solve this problem technique satisfactorily.
  • the stroke of the piston over the spray tube is determined so that it produces, at the ascent of the tube, re-aspiration into the chamber of a volume of product corresponding to the residue contained in said tube.
  • the elastic return means act on the lower end of the spray tube which extends to inside the dosing chamber.
  • the upper stop of the piston is formed from the inner bottom edge of a flange covering the upper part of the body and ensuring the retention of the spray tube.
  • the position closing the exhaust port corresponds to the contact of the piston with the protruding annular rim of a fitting, at at least partially, the lower end of said tube below the level of said orifice and receiving the support of the return means.
  • the protruding rim has an interior profile frustoconical cooperating with the bevelled lower edge of the piston to ensure tight sealing of the exhaust port.
  • the pump of the invention allows the nozzle tube to be released from any product, automatically after each distribution.
  • the pump of the invention therefore ensures tight confinement and protective of the product, which preserves its quality and properties intrinsic.
  • the pump shown in the figures comprises a cylindrical-conical body 1 internally delimiting a metering chamber 10.
  • the chamber 10 is closed at its lower part by a ball admission valve 11 and is extended downwards by a dip tube 12.
  • the pump body is intended to be introduced, at least partially, inside a container such as a bottle (not shown) where the tube 12 is immersed in the liquid product to be dispensed.
  • Chamber 10 is closed at its upper part by a piston mobile 2 housed inside the chamber and cooperating with means elastic return. These return means consist here of a helical spring 3 mounted inside the chamber 10.
  • the piston 2 is carried by the lower part of a spray tube 4 whose end upper protrudes outside the body 1 while topped with a push button (not shown).
  • the lower end of the nozzle tube 4 is provided with a valve. exhaust comprising in particular one or more orifices 40 opening laterally.
  • Spring 3 is arranged between the end bottom of the spray tube 4 and the bottom of the chamber 10 above the ball 11.
  • a collar S for retaining the nozzle tube 4 covers the part upper part of body 1 and jointly assembles the pump on the container.
  • the piston 2 is slidably mounted, on the one hand, around the tube nozzle 4 and, on the other hand, in sealed peripheral contact with the wall internal chamber 10.
  • the piston 2 consists of a central sleeve 20 surrounding the tube 4 and extending radially outwards by a ring peripheral 22, via a connecting spacer 21.
  • the inner wall of the sleeve 20 has an upper neck delimiting an annular bottom 20a intended to cooperate with a shoulder formed of a boss 42 integral with the side wall of the tube 4 and the lower periphery 42a has a profile complementary to the bottom 20a.
  • the piston 2 is capable of moving relative to the tube nozzle 4 enters a position where it closes the exhaust valve in closing the orifice 40 and a fully open position of said valve where it releases said orifice.
  • the stroke of the piston 2 on the tube 4 is limited upwards by the abutment of the bottom 20a of the necking of the sleeve 20 against the lower periphery 42a of the boss 42, and towards the bottom, by pressing the beveled lower edge of said sleeve against the face internal of the projecting annular rim 60 of a nozzle 6 which, at at least partially, the lower end of the tube 4, below the level of the orifice 40.
  • the internal face of the rim 60 has a profile frustoconical which cooperates tightly with the lower edge beveled sleeve 20.
  • the protruding edge 60 also offers a face external support and wedging of the upper end turn of the spring 3.
  • the tube 4 is, for its part, retained in the body of the pump at the by means of an annular shoulder 41 capable of abutting towards the top against a circular lip 51 of the collar 5.
  • piston 2 may also move axially in the chamber 10 relative to the pump body in compressing the product.
  • the nozzle tube 4 can rise automatically under the action of spring 3. This ascent takes place first through the sleeve 20 of the piston 2 which remains fixed in position low in chamber 10 due to the resistance to displacement of the ring 22 in friction contact with the wall of the chamber.
  • This upward stroke of the tube 4 is accompanied by a aspiration into chamber 10 of the product residue contained in the tube via the orifice 40, as shown in FIG. 4.
  • the piston 2 has an upper groove 23 made in the spacer 21 and intended to receive the lower edge internal 52 of the collar 5 which deviates at this level from the wall of the body 1.
  • the lower periphery 42a of the boss 42 is frustoconical.

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Reciprocating Pumps (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Closures For Containers (AREA)
  • Steroid Compounds (AREA)
  • External Artificial Organs (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Claims (6)

  1. Pumpe, die einen kegelzylindrischen Körper (1) aufweist, der eine Dosierungskammer (10) begrenzt, die in ihrem unteren Abschnitt durch eine Einlassklappe (11) und in ihrem oberen Abschnitt durch einen beweglichen Kolben (2) verschlossen ist, der mit elastischen Rückstell-Einrichtungen (3) kooperiert, der koaxial von einem Spritzdüsenrohr (4) getragen wird, dessen oberes Ende von dem Pumpenkörper nach außen übersteht und dessen unteres Ende mit mindestens einer Auslassöffnung (40) ausgestattet ist, wobei der Kolben (2) so montiert ist, dass er einerseits auf dem äußeren Umfang des Rohres (4) zwischen einer Position, in der die Auslassöffnung (40) vollständig geschlossen ist, und einer Position, in der die Öffnung vollständig offen ist, und andererseits in dichtem Umfangskontakt mit der Innenwand der Kammer (10) zwischen einem oberen Anschlag und einem unteren Anschlag am Ende der Wegstrecke gleitet, wobei der Reibungskoeffizient zwischen dem Kolben (2) und dem Rohr (4) kleiner ist als der Reibungskoeffizient zwischen dem Kolben (2) und der Innenwand des Körpers (1),
    dadurch gekennzeichnet, dass der untere Anschlag am Ende des Weges des Kolbens (2) in der Kammer (10) von Rippen (13) gebildet wird, die sich entlang der Wand der Kammer (10) parallel zu den Mantellinien des Körpers erstrecken und dass der Kolben (2) besteht aus einer zentralen Manschette (20), die das Spritzdüsenrohr (4) umgibt und deren Innenwand eine obere Verengung aufweist, die einen ringförmigen Boden (20a) begrenzt und sich radial nach außen erstreckt mittels eines Umfangsringes (22) über einen Verbindungssteg (21), wobei der Weg des Kolbens (2) auf dem Rohr (4) nach oben begrenzt ist durch den Anschlag des Bodens (20a) der Verengung an dem unteren Umfang (42a) eines Höckers (42) mit einem komplementären Profil, der mit der Rohrleitung (4) eine Einheit bildet.
  2. Pumpe nach Anspruch 1, dadurch gekennzeichnet, dass der Weg des Kolbens (2) auf dem Spritzdüsenrohr (4) so festgelegt ist, dass beim Wiederaufstieg an dem Rohr eine Ansaugung eines Produktvolumens in der Kammer (10) entsteht, das dem restlichen Inhalt in dem Rohr entspricht.
  3. Pumpe nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass die elastischen Rückstelleinrichtungen auf das untere Ende des Einspritzdüsenrohres (4) einwirken, das sich ins Innere der Dosierungskammer (10) hinein erstreckt.
  4. Pumpe nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der obere Anschlag des Kolbens (2) durch den inneren unteren Rand (52) eines Flansches (5) gebildet wird, der den oberen Abschnitt des Körpers (1) bedeckt und das Zurückhalten des Spritzdüsenrohres (4) gewährleistet.
  5. Pumpe nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Position, in der die Auslassöffnung (40) verschlossen ist, dem Kontakt des Kolbens (2) mit dem ringförmigen vorspringenden Rand (60) eines Stutzens (6) entspricht, der das untere Ende des Rohres in Höhe der Öffnung mindestens teilweise bedeckt und die Auflage für die Rückstelleinrichtungen (3) darstellt.
  6. Pumpe nach Anspruch 5, dadurch gekennzeichnet, dass der vorspringende Rand (60) ein kegelstumpfförmiges Innenprofil hat, das mit dem abgeschrägten unteren Rand des Kolbens (2) kooperiert, um ein dichtes Verschließen der Auslassöffnung (40) zu gewährleisten.
EP00911014A 1999-03-22 2000-03-21 Pumpe mit rücksaugeffekt Expired - Lifetime EP1165247B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9903511 1999-03-22
FR9903511A FR2791400B1 (fr) 1999-03-22 1999-03-22 Pompe a reaspiration
PCT/FR2000/000700 WO2000056465A1 (fr) 1999-03-22 2000-03-21 Pompe a reaspiration

Publications (2)

Publication Number Publication Date
EP1165247A1 EP1165247A1 (de) 2002-01-02
EP1165247B1 true EP1165247B1 (de) 2003-05-28

Family

ID=9543464

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00911014A Expired - Lifetime EP1165247B1 (de) 1999-03-22 2000-03-21 Pumpe mit rücksaugeffekt

Country Status (15)

Country Link
US (1) US6634872B1 (de)
EP (1) EP1165247B1 (de)
JP (1) JP2002540332A (de)
CN (1) CN1128684C (de)
AT (1) ATE241431T1 (de)
AU (1) AU3302000A (de)
BR (1) BR0010461A (de)
CA (1) CA2368572A1 (de)
DE (1) DE60003012T2 (de)
DK (1) DK1165247T3 (de)
ES (1) ES2199789T3 (de)
FR (1) FR2791400B1 (de)
HK (1) HK1044731B (de)
PT (1) PT1165247E (de)
WO (1) WO2000056465A1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002033258A1 (en) * 2000-10-19 2002-04-25 Chong Woo Co., Ltd. Hand operated pump for ejaculating small amount
ITMI20020249A1 (it) * 2002-02-11 2003-08-11 Microspray Delta Spa Pompa di erogazione a tenuta perfezionata applicabile su contenitori di liquidi
FR2838784B1 (fr) * 2002-04-17 2004-07-09 Valois Sa Pompe de distribution de produit fluide
US7255248B2 (en) * 2002-08-29 2007-08-14 Emsar, Inc. Plug style pump
ITMI20041249A1 (it) * 2004-06-22 2004-09-22 Lumson Spa Pompa ad azionamento manuale per l'erogazione di sostanze cremose
JP5034705B2 (ja) * 2007-06-18 2012-09-26 株式会社アドヴィックス ピストンポンプ
US7712633B2 (en) * 2007-07-02 2010-05-11 The Clorox Company Through-pump liquid drain-back system for a dispensing package
JP4953992B2 (ja) * 2007-08-30 2012-06-13 株式会社吉野工業所 噴出ヘッド
US20090057345A1 (en) * 2007-08-31 2009-03-05 Dukes Stephen A Fluid dispenser
CN101945678B (zh) * 2008-01-17 2013-07-24 贝克顿·迪金森公司 用于使物质混合的阀
AU2008350974B2 (en) * 2008-02-18 2015-08-13 Essity Hygiene And Health Aktiebolag A disposable pump, a dispensing system comprising a pump and a method for dispensing liquid
CA2716003C (en) * 2008-02-18 2015-09-15 Sca Hygiene Products Ab Disposable pump with suck-back mechanism
JP5331547B2 (ja) * 2009-04-08 2013-10-30 Ｃｋｄ株式会社 液体吐出用ポンプユニット
KR101099489B1 (ko) 2009-10-30 2011-12-28 경남과학기술대학교 산학협력단 오염물 처리용 펌핑 시스템
CN103452821B (zh) * 2013-09-04 2015-11-25 易鲁川 防喷抽油泵
USD717666S1 (en) 2014-03-14 2014-11-18 The Clorox Company Fluid dispenser
US10166563B2 (en) * 2016-01-08 2019-01-01 Silgan Dispensing Systems Corporation Pump systems, pump engines, and methods of making the same
MX2019004984A (es) * 2019-04-29 2020-10-30 Humberto Gonzalez Calleja Bomba-sifón manual para trasvasar líquidos.

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Publication number Priority date Publication date Assignee Title
US3362344A (en) * 1966-03-01 1968-01-09 Calmar Inc Liquid dispenser
DE1290043B (de) * 1966-03-12 1969-02-27 Albert Rudolf Zerstaeuberpumpe, insbesondere fuer Parfuem oder andere kosmetische Fluessigkeiten
US3583605A (en) * 1969-01-17 1971-06-08 Diamond Int Corp Liquid dispensing pump
FR2260391B2 (de) * 1974-02-08 1976-11-26 Step
GB1470597A (en) * 1974-08-21 1977-04-14 Sterling Winthrop Group Ltd Reciprocating pumps for dispensing pastes liquids and other substances
US4087025A (en) * 1976-12-20 1978-05-02 Wolf Steiman Leakproof pump for hand-held dispensers
IT1134954B (it) * 1981-01-07 1986-08-20 Sar Spa Pompa ad azionamento manuale per la erogazione sotto pressione di sostanze liquide e/o dense racchiuse in un contenitore sul quale la pompa e' montata
US4991746A (en) * 1989-07-07 1991-02-12 Emson Research Inc. Modular pump having a locking rotatable sleeve
FR2661157B1 (fr) * 1990-04-19 1993-08-13 Jumel Bernard Systeme doseur sans bague destine a etre emmanche a force a l'interieur d'un col de recipient.
FR2669379A1 (fr) * 1990-11-21 1992-05-22 Promotion Rech Innovation Tec Pompe doseuse pour produits liquides.
DE69635938T2 (de) * 1995-01-27 2006-08-24 Yoshino Kogyosho Co., Ltd. Zerstäuberpumpe für Flüssigkeiten
IT1291122B1 (it) * 1997-03-28 1998-12-29 Sar Spa Micropompa per la nebulizzazione di fluidi con valvola dosatrice perfezionata
FR2765638B1 (fr) * 1997-07-04 2004-11-26 Valois Sa Pompe manuelle a piston libre a manchette
DE19746491A1 (de) * 1997-10-22 1999-04-29 Bosch Gmbh Robert Kraftstoffeinspritzanlage für eine Brennkraftmaschine

Also Published As

Publication number Publication date
CA2368572A1 (en) 2000-09-28
PT1165247E (pt) 2003-10-31
US6634872B1 (en) 2003-10-21
AU3302000A (en) 2000-10-09
WO2000056465A1 (fr) 2000-09-28
EP1165247A1 (de) 2002-01-02
BR0010461A (pt) 2002-01-08
ATE241431T1 (de) 2003-06-15
HK1044731B (zh) 2004-10-21
HK1044731A1 (en) 2002-11-01
DE60003012T2 (de) 2004-02-26
FR2791400B1 (fr) 2002-04-26
FR2791400A1 (fr) 2000-09-29
CN1128684C (zh) 2003-11-26
DE60003012D1 (de) 2003-07-03
ES2199789T3 (es) 2004-03-01
CN1344183A (zh) 2002-04-10
JP2002540332A (ja) 2002-11-26
DK1165247T3 (da) 2003-09-01

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