EP0747131B1 - Dispositif à pompe pour prélever un liquide dans un récipient et le distribuer sous forme pulvérisée - Google Patents
Dispositif à pompe pour prélever un liquide dans un récipient et le distribuer sous forme pulvérisée Download PDFInfo
- Publication number
- EP0747131B1 EP0747131B1 EP96401227A EP96401227A EP0747131B1 EP 0747131 B1 EP0747131 B1 EP 0747131B1 EP 96401227 A EP96401227 A EP 96401227A EP 96401227 A EP96401227 A EP 96401227A EP 0747131 B1 EP0747131 B1 EP 0747131B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pump
- rod
- piston
- container
- hollow
- 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
Links
Images
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
- B05B11/1042—Components or details
- B05B11/1052—Actuation means
- B05B11/1056—Actuation means comprising rotatable or articulated levers
-
- 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
- B05B11/1009—Piston pumps actuated by a lever
- B05B11/1011—Piston pumps actuated by a lever without substantial movement of the nozzle in the direction of the pressure 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
- B05B11/0005—Components or details
- B05B11/0062—Outlet valves actuated by the pressure of the fluid to be sprayed
-
- 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
Definitions
- the present invention relates to a pump device to take a liquid from a container and dispense it as sprayed.
- the present invention relates to a device of the type comprising a pump fixed at the upper end of the container, comprising a pump body engaged in the container and a piston movable in the pump body and provided with a hollow rod in projection towards the outside of the pump, and a cylindrical cover suitable for be fixed to the container and comprising an actuating and pivoting distribution fitted with a communicating distribution nozzle by a conduit with a cylindrical socket projecting towards the interior of said actuator and in which is engaged the free end of the hollow piston rod of the pump.
- the actuator is produced in the form of a lever at one end of which is formed the spray nozzle and which is, at this end, articulated on the cover, the cover being hollowed out to form an access to the opposite end of the organ lever-shaped actuation, this opposite end constituting a support area for the user's finger.
- the actuator When pressed by the user, the actuator pivots by driving down the hollow piston rod engaged by its free end in the internal cylindrical sleeve of the organ actuation.
- the hollow rod is the means of passage of the liquid pumped from the container to the hood dispensing nozzle.
- the hollow piston rod must have an axial movement as perfectly linear as possible. We have therefore always sought to give this hollow rod significant rigidity to avoid any buckling during its movement under the effect of the pivoting of the actuator.
- the applicant company also proposed in its request French patent FR-A-2,715,585 to produce in the form of a conduit flexible of relatively large length, the cylindrical sleeve of the actuation and distribution body.
- the assembly formed by the cover and the actuating member provided with the cylindrical sleeve and made of a standing alone with it must be made of such a rigid material as possible such as polypropylene or high density polyethylene.
- the cover must be rigid enough to on the one hand, it can be fixed by snapping onto the body of the container, on the other hand to ensure that the hinge zone ensuring the connection articulated from the actuating member on the wall of the cover either strong enough to allow large numbers actuations, and finally to ensure that the actuating member lever shape is sufficiently rigid over its entire length.
- the cylindrical sleeve of the actuator in order to be flexible enough, must have a very thin wall, which leads to risks of rupture during flexions imposed by the pivoting of the organ actuation.
- the present invention proposes to produce a device avoiding in particular the drawbacks mentioned of the known devices.
- the device according to the present invention is characterized essentially by the fact that the hollow piston rod of the pump is flexible over part of its length from its end free.
- this flexibility is conferred by a reduction of the wall thickness of said rod towards its free end.
- the rod is preferably made, in particular by injection, in a flexible material such as low polyethylene density.
- the rod may have a reduced thickness only in its end zone intended to be engaged in the socket cylindrical of the actuator or over a longer length important, in particular, the length of the rod projecting from the upper end of the pump in the rest position of the member actuation.
- the length of the cylindrical sleeve is preferably significantly less than the length of the part of the pump protruding rod.
- the thickness of the wall of said socket on the other hand is preferably greater than the wall thickness of said rod at its free end engaged in the sleeve.
- the pump comprises, at its upper part, an inner cylindrical skirt constituting a guide surface of the hollow piston rod.
- the device according to the invention can be used for all types of pumps comprising a hollow rod projecting from the body of regardless of the length of the piston stroke.
- the device according to the invention is particularly suitable to precompression pumps, i.e. of the type comprising in the pump body an internal compression chamber in which the liquid from the container and introduced under the effect of vacuum produced by actuation of the piston, is expelled in the hollow piston rod when a determined pressure is reached at the interior of said chamber.
- precompression pumps i.e. of the type comprising in the pump body an internal compression chamber in which the liquid from the container and introduced under the effect of vacuum produced by actuation of the piston, is expelled in the hollow piston rod when a determined pressure is reached at the interior of said chamber.
- the room communicates with the lower end of the hollow piston rod conduit with interposition of a valve calibrated by a spring to open to said pressure determined.
- a container 1 provided with a neck 2 and capable of containing a liquid to be dispensed in spray form, such as a hair spray.
- the pump 3 comprises a tubular body 4 provided in the vicinity from its lower end of a ball valve 5, the liquid reaching the pump body through a tube 6 plunging into the liquid.
- a piston 7 provided with peripheral sealing lips is mounted inside the pump body 4 so as to slide along of the inner wall of it.
- the piston 7 is hollow and has a piston rod hollow 8 defining an axial duct 9.
- the hollow rod 8 protrudes from the upper end of the pump 3.
- the pump 3 has at its upper part, for the rod guide 8, an inner cylindrical skirt 10.
- the wall of the hollow rod 8 present at least in its free end part 8 has a reduced thickness.
- the wall of the hollow rod 8 has a gradually narrowing section on the most of its length to said free end zone.
- the lower end of the conduit 9 of the hollow rod 8 is closed by a valve made in the form of an elongated pin 11 provided with a peripheral surface constituting a sealing lip, said pin being able to move in a tubular piece 12 to against a return spring 13 bearing against the bottom of the tubular part 12 and the peripheral bearing of the pin.
- the part 12 is able to move, with the piston 7, to against a return spring 14 bearing against a bearing lower part of the pump body 4 and a recessed bearing surface of the tubular part 12.
- Such an arrangement defines a pumping chamber 15 at the lower part of the pump body and a compression chamber 16 between the pin 11 and the piston 7.
- An orifice 17 formed in the wall of the pump body 4 allows pressurization of the compression chamber 16 during actuations of the piston 7 by pressing on its rod 8.
- the pump illustrated is thus of the precompression type of a structure and functioning comparable to those described in French patent application FR-A-2 715 585 from the Applicant Company, mentioned above.
- the device according to the invention comprises a cover cylindrical generally designated by 18 fixed at its lower part, in particular by snapping as illustrated in 19, at the upper part of the container 1.
- the cover comprises, made in one piece, a member lever-shaped actuator 20 having a rear portion forming a support zone 21 accessible through a cut-out part of the hood.
- the actuator 20 is articulated at its front part to the wall of the cover by a zone of reduced thickness forming a hinge 22.
- the actuating member 20 comprises a dispensing nozzle 23 at the end of a conduit 24 communicating with the interior volume of a cylindrical sleeve 25 projecting downward from the underside of the actuating member 20.
- the free end 8 a of the hollow rod 8 of the piston 7 is engaged in the cylindrical sleeve 25 which has a shorter length than the length of the rod 8 projecting from the pump 3.
- liquid expelled through the conduit 9 of the rod 8 can reach through the actuating member 20 up to the dispensing nozzle 23 thereof where it is sprayed in the form fine droplets.
- the assembly of the cover 18 and of the actuating member 20 is made of a relatively rigid material such as polyethylene high density while the piston 7 and its rod 8 are made in one more flexible material, especially in low density polyethylene.
Landscapes
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Closures For Containers (AREA)
- Reciprocating Pumps (AREA)
- Nozzles (AREA)
Description
- les figures 1 et 2 sont des vues en coupe de l'extrémité supérieure d'un récipient muni d'un dispositif selon l'invention dans deux positions en cours de fonctionnement.
Claims (6)
- Dispositif à pompe pour prélever un liquide dans un récipient (1) et le distribuer sous forme pulvérisée, comportant une pompe (3) fixée à l'extrémité supérieure du récipient, comprenant un corps de pompe (4) engagé dans le récipient et un piston (7) mobile dans le corps de pompe et muni d'une tige creuse (8) en saillie vers l'extérieur de la pompe, et un capot cylindrique (18) apte à être fixé au récipient et comportant un organe d'actionnement et de distribution (20) pivotant muni d'une buse de distribution en communication par un conduit (24) avec une douille cylindrique (25) en saillie vers l'intérieur dudit organe d'actionnement et dans laquelle est engagée l'extrémité libre de la tige creuse du piston de la pompe, caractérisé par le fait que la tige creuse (8) du piston (7) de la pompe (3) est flexible sur une partie de sa longueur à partir de son extrémité libre (8a).
- Dispositif selon la revendication 1, caractérisé par le fait que l'épaisseur de paroi de ladite tige (8) se réduit en direction de son extrémité libre (8a).
- Dispositif selon l'une quelconque des revendications 1 et 2, caractérisé par le fait que la longueur de la douille cylindrique (25) en saillie de la paroi intérieure de l'organe d'actionnement (20) est inférieure à la longueur de la partie de ladite tige (8) en saillie de la pompe.
- Dispositif selon l'une quelconque des revendications précédentes, caractérisé par le fait que l'épaisseur de la paroi de la douille (25) est supérieure à l'épaisseur de paroi de ladite tige (8) au niveau de son extrémité libre (8a) engagée dans ladite douille (25).
- Dispositif selon l'une quelconque des revendications précédentes, caractérisé par le fait que la pompe (3) comporte à sa partie supérieure une jupe cylindrique intérieure (10) constituant une portée de guidage de la tige creuse (8) du piston (7).
- Dispositif selon l'une quelconque des revendications précédentes, caractérisé par le fait que le piston (7) et la tige creuse de piston (8) sont réalisés en un matériau, notamment en polyéthylène basse densité, moins rigide que le matériau constitutif de l'ensemble capot (18) organe d'actionnement (20) qui est notamment du polypropylène ou du polyéthylène haute densité.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9506762 | 1995-06-08 | ||
| FR9506762A FR2735188B1 (fr) | 1995-06-08 | 1995-06-08 | Dispositif a pompe pour prelever un liquide dans un recipient et le distribuer sous forme pulverisee |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0747131A2 EP0747131A2 (fr) | 1996-12-11 |
| EP0747131A3 EP0747131A3 (fr) | 1996-12-27 |
| EP0747131B1 true EP0747131B1 (fr) | 2001-04-25 |
Family
ID=9479742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP96401227A Expired - Lifetime EP0747131B1 (fr) | 1995-06-08 | 1996-06-07 | Dispositif à pompe pour prélever un liquide dans un récipient et le distribuer sous forme pulvérisée |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5975375A (fr) |
| EP (1) | EP0747131B1 (fr) |
| DE (1) | DE69612587T2 (fr) |
| ES (1) | ES2157411T3 (fr) |
| FR (1) | FR2735188B1 (fr) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2767799B1 (fr) | 1997-08-27 | 2000-05-12 | Oreal | Ensemble de conditionnement d'un produit liquide ou semi-liquide |
| FR2768409B1 (fr) | 1997-09-17 | 1999-10-15 | Oreal | Ensemble de conditionnement et de distribution d'un produit liquide ou semi liquide |
| EP0928750A1 (fr) * | 1998-01-09 | 1999-07-14 | The Procter & Gamble Company | Récipient sous pression avec buse et élément supplémentaire |
| FR2784717B1 (fr) * | 1998-10-16 | 2001-12-07 | Sofab | Pompe de faible capacite a compatibilite amelioree |
| FR2836843B1 (fr) | 2002-03-06 | 2004-12-24 | Innovation Packaging | Dispositif de distribution a gicleur basculant |
| AT6454U1 (de) * | 2002-08-05 | 2003-11-25 | Schneider August | Vorrichtung zur abgabe einer waschflüssigkeit |
| US8225967B2 (en) * | 2008-01-24 | 2012-07-24 | Meadwestvaco Corporation | Hinged pump mechanisms and methods of using the same |
| MX2012013530A (es) | 2010-05-21 | 2013-04-08 | Johnson & Son Inc S C | Tapa y sistema de distribucion para un envase portatil. |
| US9211994B2 (en) | 2010-05-21 | 2015-12-15 | S.C. Johnson & Son, Inc. | Shroud and dispensing system for a handheld container |
| USD639675S1 (en) | 2010-05-28 | 2011-06-14 | S.C. Johnson & Son, Inc. | Dispenser housing |
| USD680879S1 (en) | 2010-11-03 | 2013-04-30 | S.C. Johnson & Son, Inc. | Dispenser |
| USD653106S1 (en) | 2010-11-18 | 2012-01-31 | S.C. Johnson & Son, Inc. | Container shroud |
| USD652319S1 (en) | 2010-11-18 | 2012-01-17 | S.C. Johnson & Son, Inc. | Container |
| USD673448S1 (en) | 2011-03-04 | 2013-01-01 | S. C. Johnson & Son, Inc. | Container shroud |
| JP6499935B2 (ja) * | 2015-06-30 | 2019-04-10 | 株式会社吉野工業所 | 吐出器 |
| JP6438856B2 (ja) * | 2015-06-30 | 2018-12-19 | 株式会社吉野工業所 | 吐出器 |
| EP3487352A4 (fr) * | 2016-07-22 | 2020-03-25 | HCT Group Holdings Limited | Pompe à action basculante |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3107826A (en) * | 1960-12-23 | 1963-10-22 | Metal Fabrications Inc | Spray devices |
| US3887115A (en) * | 1973-11-29 | 1975-06-03 | Johnson & Son Inc S C | Package for an underarm spray product |
| DE3906507A1 (de) * | 1989-03-01 | 1990-09-13 | Coster Tecnologie Speciali Spa | Vorrichtung zum zerstaeuben einer kosmetischen, medizinischen, od. dgl. fluessigkeit |
| HUT65295A (en) * | 1990-09-06 | 1994-05-02 | Meckenstock Fritz Gmbh | Sprayer pump |
| IT225624Y1 (it) * | 1991-10-24 | 1996-12-06 | Guala Spa | Atomizzatore di liquidi a pompetta manuale con raccordo a tenuta ermetica tra erogatore e pompetta |
| FR2715585B1 (fr) * | 1994-01-28 | 1996-03-08 | Oreal | Ensemble de distribution d'un liquide, de façon quasi-continue, comportant une pompe et utilisation d'un tel ensemble pour la pulvérisation d'une laque capillaire. |
-
1995
- 1995-06-08 FR FR9506762A patent/FR2735188B1/fr not_active Expired - Fee Related
-
1996
- 1996-06-07 EP EP96401227A patent/EP0747131B1/fr not_active Expired - Lifetime
- 1996-06-07 DE DE69612587T patent/DE69612587T2/de not_active Expired - Fee Related
- 1996-06-07 ES ES96401227T patent/ES2157411T3/es not_active Expired - Lifetime
- 1996-06-10 US US08/664,197 patent/US5975375A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| FR2735188B1 (fr) | 1997-07-11 |
| FR2735188A1 (fr) | 1996-12-13 |
| EP0747131A2 (fr) | 1996-12-11 |
| EP0747131A3 (fr) | 1996-12-27 |
| ES2157411T3 (es) | 2001-08-16 |
| DE69612587D1 (de) | 2001-05-31 |
| DE69612587T2 (de) | 2002-05-29 |
| US5975375A (en) | 1999-11-02 |
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