EP1444046A2 - Pompe de distribution de produit fluide - Google Patents
Pompe de distribution de produit fluideInfo
- Publication number
- EP1444046A2 EP1444046A2 EP02785589A EP02785589A EP1444046A2 EP 1444046 A2 EP1444046 A2 EP 1444046A2 EP 02785589 A EP02785589 A EP 02785589A EP 02785589 A EP02785589 A EP 02785589A EP 1444046 A2 EP1444046 A2 EP 1444046A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- pump
- pump body
- air
- pump according
- spring
- 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
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
- 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
- B05B11/1016—Piston pumps the outlet valve having a valve seat located downstream a movable valve element controlled by a pressure actuated controlling element
- B05B11/1019—Piston pumps the outlet valve having a valve seat located downstream a movable valve element controlled by a pressure actuated controlling element the inlet valve moving concurrently with the controlling element during whole pressure and aspiration strokes, e.g. a cage for an inlet valve ball being part of the controlling element
-
- 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
- B05B11/1073—Springs
- B05B11/1074—Springs located outside pump chambers
-
- 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
- B05B11/1038—Pressure accumulation pumps, i.e. pumps comprising a pressure accumulation chamber
- B05B11/104—Pressure accumulation pumps, i.e. pumps comprising a pressure accumulation chamber the outlet valve being opened by pressure after a defined accumulation stroke
Definitions
- the present invention relates to a fluid dispenser pump, as well as a fluid dispenser device incorporating such a pump.
- Fluid product dispensing pumps are well known in the art.
- the present invention relates more particularly to pumps in which the return spring of the pump is not in contact with the product dispensed by this pump.
- the spring is therefore placed in a chamber inside the pump body which is isolated from the product but which contains air.
- the movable element of the pump which cooperates with this spring moves by compressing the spring and the presence of air can pose a problem on the ease or reliability of use of the pump. .
- the present invention therefore aims to provide a fluid dispensing pump which is safe and reliable to use, while being simple and inexpensive to manufacture and assemble.
- the present invention therefore relates to a fluid dispenser pump, comprising a pump body containing a metering chamber defined between a high piston sliding in an upper part of the pump body and a low piston sliding in a lower part of the body pump, said low piston cooperating with a spring disposed in said lower part of the pump body, characterized in that the spring is isolated from any contact with the fluid, the lower part of the pump body comprising means for taking up air allowing the entry and / or exit of air when the pump is actuated, isolation means being provided to prevent the penetration of fluid product into said air intake means.
- said air intake means are formed by a hole made in the lower part of the pump body.
- said insulation means comprise an external envelope disposed around said pump body.
- an air passage is defined between said casing and said pump body, said air passage being connected to the vent hole of the pump.
- the vent hole includes a filter adapted to filter the incoming air.
- said envelope is fitted around the pump body, said air passage being defined by at least one groove formed in the external wall of the pump body and / or in the internal wall of the envelope.
- said envelope comprises a radial flange forming a seal with a reservoir on which the pump is assembled.
- said radial flange forms a neck seal.
- said envelope comprises a sock forming a seal with the external wall of the pump body.
- said sock is elastically deformable to allow air passing out of the interior of the pump body to pass through said air intake means.
- the present invention further relates to a fluid dispenser device comprising a pump as defined above, said pump being mounted on a reservoir by means of a fixing ring or capsule.
- the pump of the present invention comprises a pump body 10 which defines a metering chamber 20 between a high piston 30 and a low piston 40.
- the high piston 30 slides in an upper part of the pump body 11 and the low piston 40 slides in a lower part 12 of the pump body.
- the low piston 40 is mounted floating inside the pump body and cooperates with a spring 50 which is mounted on a bottom wall of the pump body 10 and which forms the return spring of the pump.
- this spring 50 is completely isolated from the fluid product which is distributed by the pump. This means that no product enters the spring chamber, that is to say in the lower part of the pump body in which the spring is located.
- the present invention provides for making air return means 15 in the lower part 12 of the pump body to allow the entry and / or exit of air during pump actuation.
- air intake means 15 are produced in the form of a hole made in the lower part 12 of the pump body.
- insulation means 60 are provided to prevent the penetration of fluid product inside the lower part of the pump body, to guarantee that the spring 50 does not come into contact with the fluid product.
- the total absence of contact between the spring, generally metallic and the fluid to be dispensed is particularly important in the case of certain pharmaceutical products which risk being altered by contact with this spring.
- the insulation means 60 are advantageously produced in the form of an external envelope which is fitted around the pump body and which covers the hole 15 to prevent the fluid product from entering it.
- the external envelope has a shape identical to that of the pump body so that the fitting is achieved with a contact over the entire wall, an air passage 61 being however formed between the pump body 10 and the outer casing 60, this air passage being connected to the vent hole 100 of the pump.
- the vent hole is arranged in the upper part of the pump, at the level of the pump seal 80 which forms the seal between the pump and the fixing ring or capsule 70, which is suitable for mounting the pump on a tank (not shown).
- the seal 80 is a filter seal, that is to say that the air which enters the pump for replace the volume of product dispensed passes through said filter 80 which removes all bacteria and / or impurities which could affect the quality of the product.
- the envelope 60 comprises a radial flange 65 which is adapted to form the seal with the neck of the reservoir (not shown).
- this radial flange 65 can even form the neck seal of the pump.
- the vent hole 100 is directly connected to the air passage 61 produced between the pump body and the outer casing 60, and it is therefore necessary to provide air passage means, allowing this air vent inside the pump.
- This is preferably achieved by means of a sock 62 preferably produced at the lower end of the external envelope 60, this sock forming on the one hand the seal with the external wall of the pump body 10, but being elastically deformable to let vent air through.
- the present invention makes it possible to guarantee a total absence of contact between the return spring of the pump 50 and the fluid product, while allowing safe and reliable operation of the pump since the air contained in the chamber of the spring 50 can freely circulate as a function of the displacement of the low piston 40.
- the isolation means in particular the external envelope provides a seal against the entry of product in contact with this spring, so that the objectives of the present invention are achieved by this very simple and inexpensive means constituted by the casing 60.
- the present invention further limits the number of component parts to achieve the objective of the invention.
Landscapes
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Reciprocating Pumps (AREA)
- Closures For Containers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0114407A FR2831876B1 (fr) | 2001-11-07 | 2001-11-07 | Pompe de distribution de produit fluide |
FR0114407 | 2001-11-07 | ||
PCT/FR2002/003797 WO2003039756A2 (fr) | 2001-11-07 | 2002-11-06 | Pompe de distribution de produit fluide |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1444046A2 true EP1444046A2 (fr) | 2004-08-11 |
EP1444046B1 EP1444046B1 (fr) | 2008-04-16 |
Family
ID=8869155
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02785589A Expired - Lifetime EP1444046B1 (fr) | 2001-11-07 | 2002-11-06 | Pompe de distribution de produit fluide |
Country Status (8)
Country | Link |
---|---|
US (1) | US7172097B2 (fr) |
EP (1) | EP1444046B1 (fr) |
JP (1) | JP2005507986A (fr) |
CN (1) | CN1281464C (fr) |
AU (1) | AU2002350878A1 (fr) |
DE (1) | DE60226163T2 (fr) |
FR (1) | FR2831876B1 (fr) |
WO (1) | WO2003039756A2 (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2832079B1 (fr) * | 2001-11-14 | 2004-07-30 | Valois Sa | Tete de distribution et distributeur de produit fluide comportant une telle tete de distribution |
FR2892158B1 (fr) * | 2005-10-17 | 2011-10-21 | Valois Sas | Pompe de distribution de produit fluide |
FR2905941B1 (fr) * | 2006-09-20 | 2011-02-11 | Valois Sas | Ensemble de distribution et distributeur de produit fluide comportant un tel ensemble de distribution |
FR2906577A1 (fr) * | 2006-10-03 | 2008-04-04 | Hsih Tung Tooling Co Ltd | Pompe avec tete d'entrainement par pression. |
DE102008055609B4 (de) * | 2008-11-03 | 2011-12-29 | Thomas Magnete Gmbh | Hubkolbenpumpe |
FR2973015B1 (fr) * | 2011-03-25 | 2013-04-26 | Valois Sas | Pompe de distribution de produit fluide. |
CN102491247B (zh) * | 2011-11-24 | 2014-08-27 | 广东山之风环保科技有限公司 | 一种输送化工原料的气压液体装置 |
CN103708091B (zh) * | 2013-12-13 | 2016-08-17 | 中山市美捷时包装制品有限公司 | 一种喷雾效果好的双弹簧喷雾泵 |
DE102018100338A1 (de) * | 2018-01-09 | 2019-07-11 | Aero Pump Gmbh | Austragvorrichtung zum Austragen von flüssigen Medien |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2802490A (en) * | 1954-08-16 | 1957-08-13 | Lawrence T Ward | Container filling spray valve |
FR2300950A1 (fr) * | 1975-02-12 | 1976-09-10 | Valois Sa | Valve doseuse du type aerosol |
DE2838613A1 (de) * | 1978-09-05 | 1980-03-13 | Seltmann Hans Juergen | Ausgabepumpe, insbesondere zum zerstaeuben von fluessigkeiten |
US5147073A (en) * | 1991-02-11 | 1992-09-15 | Spruhventile Gmbh | Fluid pump dispenser for pharmaceutical use |
US5217148A (en) * | 1991-02-11 | 1993-06-08 | Spruhventile Gmbh | Pharmaceutical pump dispenser |
EP0736462B1 (fr) * | 1994-11-17 | 2005-09-14 | Yoshino Kogyosho Co., Ltd. | Recipient equipe d'une pompe d'injection de bulles |
FR2740114B1 (fr) * | 1995-10-19 | 1998-01-02 | Innovation Rech Plastique Sa | Dispositif de conditionnement d'un produit avec bague de support d'une pompe manuelle de distribution en doses unitaires |
FR2762589B1 (fr) * | 1997-04-28 | 1999-07-16 | Sofab | Flacon de distribution pour liquide, creme ou gel comportant un dispositif filtrant de l'air entrant |
GB2344857B (en) * | 1998-12-15 | 2001-03-14 | Bespak Plc | Improvements in or relating to dispensing apparatus |
FR2794727B1 (fr) * | 1999-06-10 | 2001-08-24 | Valois Sa | Dispositif de distribution de produit fluide ameliore |
GB2361229A (en) * | 2000-04-14 | 2001-10-17 | Presspart Mfg Ltd | Metering valve |
-
2001
- 2001-11-07 FR FR0114407A patent/FR2831876B1/fr not_active Expired - Lifetime
-
2002
- 2002-11-06 US US10/494,483 patent/US7172097B2/en not_active Expired - Fee Related
- 2002-11-06 CN CNB028217454A patent/CN1281464C/zh not_active Expired - Fee Related
- 2002-11-06 WO PCT/FR2002/003797 patent/WO2003039756A2/fr active IP Right Grant
- 2002-11-06 AU AU2002350878A patent/AU2002350878A1/en not_active Abandoned
- 2002-11-06 EP EP02785589A patent/EP1444046B1/fr not_active Expired - Lifetime
- 2002-11-06 JP JP2003541640A patent/JP2005507986A/ja not_active Withdrawn
- 2002-11-06 DE DE60226163T patent/DE60226163T2/de not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO03039756A3 * |
Also Published As
Publication number | Publication date |
---|---|
EP1444046B1 (fr) | 2008-04-16 |
FR2831876A1 (fr) | 2003-05-09 |
CN1281464C (zh) | 2006-10-25 |
FR2831876B1 (fr) | 2004-04-23 |
DE60226163T2 (de) | 2008-11-13 |
CN1578748A (zh) | 2005-02-09 |
US20050079072A1 (en) | 2005-04-14 |
JP2005507986A (ja) | 2005-03-24 |
WO2003039756A3 (fr) | 2003-10-02 |
US7172097B2 (en) | 2007-02-06 |
DE60226163D1 (de) | 2008-05-29 |
AU2002350878A1 (en) | 2003-05-19 |
WO2003039756A2 (fr) | 2003-05-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2328576C (fr) | Connecteur a obturation automatique pour raccorder une tete d'injection de liquide a une sortie d'injection | |
EP1917202B1 (fr) | Valve de distribution de produit fluide | |
EP1216104B1 (fr) | Pompe de distribution de produit fluide amelioree, et dispositif de distribution de produit fluide comportant une telle pompe | |
EP0487412A1 (fr) | Valve doseuse pour produits liquides contenus dans un récipient sans pression | |
EP2004333A1 (fr) | Pompe de distribution de produit fluide | |
EP1444046B1 (fr) | Pompe de distribution de produit fluide | |
FR2862498A1 (fr) | Structure d'evacuation constante pour recipient sous vide de cosmetique a tete a buse | |
EP1299193A1 (fr) | Pompe de distribution de produit fluide | |
EP1687097B1 (fr) | Pompe de distribution de produit fluide | |
EP1687095B1 (fr) | Pompe de distribution de produit fluide | |
EP0312474A1 (fr) | Distributeur automatique de produits pâteux | |
EP1328351B1 (fr) | Pompe de distribution de produit fluide | |
FR2823183A1 (fr) | Capsule metallique de sertissage pour un dispositif de distribution de produit fluide | |
EP1633657A1 (fr) | Valve doseuse de distribution de produit fluide | |
FR2933679A1 (fr) | Dispositif de distribution de produit fluide. | |
FR2786467A1 (fr) | Dispositif de distribution de produits liquides, fluides ou pateux | |
FR2767311A1 (fr) | Systeme d'obturation et dispositif de distribution de produit fluide comportant un tel systeme | |
EP1590097B1 (fr) | Organe de distribution de produit fluide et distributeur comprenant un tel organe | |
WO2003086646A1 (fr) | Pompe de distribution de produit fluide | |
WO2003086648A1 (fr) | Pompe de distribution de produit fluide | |
FR2773365A1 (fr) | Dispositif de transfert de liquide | |
WO2024028556A1 (fr) | Dispositif de distribution de produit fluide | |
FR2831841A1 (fr) | Dispositif de distribution de produit fluide | |
EP1131543A1 (fr) | Dispositif permettant de vidanger un conteneur de fluide visqueux | |
WO2003082476A2 (fr) | Dispositif de distribution de produit fluide |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20040602 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL LT LV MK RO SI |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): DE FR GB IT |
|
REF | Corresponds to: |
Ref document number: 60226163 Country of ref document: DE Date of ref document: 20080529 Kind code of ref document: P |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed |
Effective date: 20090119 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20101112 Year of fee payment: 9 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20101020 Year of fee payment: 9 Ref country code: IT Payment date: 20101125 Year of fee payment: 9 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: CD Owner name: APTAR FRANCE SAS, FR Effective date: 20130104 |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20121106 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20121106 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R119 Ref document number: 60226163 Country of ref document: DE Effective date: 20130601 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20130601 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20121106 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 14 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 15 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 16 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20211126 Year of fee payment: 20 |