EP1949973A1 - Pumpe zur Ausgabe einer Dosis eines flüssigen Produkts und Sortiment, das solche Pumpen umfasst - Google Patents

Pumpe zur Ausgabe einer Dosis eines flüssigen Produkts und Sortiment, das solche Pumpen umfasst Download PDF

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Publication number
EP1949973A1
EP1949973A1 EP07122890A EP07122890A EP1949973A1 EP 1949973 A1 EP1949973 A1 EP 1949973A1 EP 07122890 A EP07122890 A EP 07122890A EP 07122890 A EP07122890 A EP 07122890A EP 1949973 A1 EP1949973 A1 EP 1949973A1
Authority
EP
European Patent Office
Prior art keywords
pump
piston
end member
stop
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.)
Granted
Application number
EP07122890A
Other languages
English (en)
French (fr)
Other versions
EP1949973B1 (de
Inventor
Yohann Langlois
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 EP1949973A1 publication Critical patent/EP1949973A1/de
Application granted granted Critical
Publication of EP1949973B1 publication Critical patent/EP1949973B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B05B11/1001—Piston pumps
    • B05B11/1005—Piston pumps with means for adjusting or modifying pump stroke
    • B05B11/1007—Piston pumps with means for adjusting or modifying pump stroke by adjusting or modifying the pump end-of-sucking-stroke position
    • 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
    • B05B11/1005—Piston pumps with means for adjusting or modifying pump stroke
    • B05B11/1008—Piston pumps with means for adjusting or modifying pump stroke by adjusting or modifying the pump end-of-dispensing-stroke position
    • 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
    • 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
    • B05B11/1025—Piston pumps having an outlet valve opened by deformation or displacement of the piston relative to its actuating stem a spring urging the outlet valve in its closed position
    • 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

Definitions

  • the invention relates to a pump for dispensing a dose of fluid and a range comprising such pumps.
  • the compression member may be angularly offset relative to the central axis, causing a seal fault between the piston and the body and a risk of premature wear of the piston.
  • the invention aims to overcome the problems mentioned above.
  • the invention proposes a pump of the aforementioned type in which the limit stop is formed by a shoulder formed on the inner surface of the end member, the nozzle comprising a flange movable in the body of the end member. end facing the inner surface of said end member, the collar being adapted to abut against the shoulder in the end position.
  • the collar provides guiding the nozzle in the end member when the compression member is moved according to the stroke.
  • the support of the flange on the shoulder is evenly distributed within the end member.
  • the compression member extends along the central axis at all stages of operation of the pump, which ensures a distributed support between the piston and the body. The seal between the piston and the body can thus be ensured and the wear of the piston can be limited.
  • the invention also aims to allow the simple realization of a range of pumps in which pumps having similar components, materials, technical characteristics and operation can dispense doses of fluid of different volume.
  • the invention also proposes a range of pumps comprising at least first and second pumps as defined above, said first and second pumps being adapted to dispense doses of fluid product respectively having first and second different volumes.
  • the respective end stops of the end member of the first and second pumps being located respectively at first and second distances from the inlet, said first and second distances being different from one of the other
  • Each pump of such a range is adapted to dispense a dose of fluid product of a determined volume.
  • the end member forms a single module for adjusting the volume of the dose to be dispensed. so as to reduce the number of manufacturing operations and to limit the adaptation of the design machines to be able to vary the volumes of the dose to be dispensed by the pumps of the same range.
  • a pump for dispensing a dose of fluid, liquid or viscous product, for example from the field of perfumery, pharmacy, cosmetics or other.
  • the pump may belong to a range of pumps in which pumps, having similar components, materials, technical characteristics and operation, are adapted to dispense fluid doses having different volumes.
  • the pump is intended to be arranged by the first end 3 of the body 1 in an opening of a tank, not shown, and fixed in a known manner, for example by fitting and / or by means of a fastener, to the reservoir so that it can take a dose of fluid contained in the reservoir.
  • the terms “upper” or “high” and “lower” or “low” will be understood with respect to locations located respectively close to the second end 4 of the body 1 and close to the first end. 3 of the body 1.
  • the terms “axial” or “longitudinal” and “radial” or “transverse” refer to planes respectively parallel and perpendicular to the central axis A.
  • the body 1 and the compression member delimit a metering chamber 2 formed between the inlet port 6 and the exhaust port.
  • the compression member can then be moved inside the body 1 according to the stroke so, by varying the volume of the metering chamber 2, to be able alternately to introduce fluid into the metering chamber 2 by the intake port 6 and make out the fluid from the metering chamber 2 through the exhaust port.
  • the body 1 has an annular side wall 7 in which the compression member is mounted.
  • the side wall 7 has an inner surface, a surface outer, a lower end, an open upper end having an annular flange 5 protruding outwardly and forming the second end 4 of the body 1.
  • a through hole forming a vent hole 8 may be formed in the side wall 7 so as to allow air passage between the outside and the inside of the tank to compensate for the dose of fluid taken by the pump.
  • the body 1 may also have an annular bottom wall 9 which extends from the lower end of the side wall 7 and whose free end forms the first end 3 of the body 1 that is, the lower end.
  • the bottom wall 9 internally comprises the inlet port 6 and an inlet valve, for example a ball valve comprising a ball 10 and a seat 11, adapted to allow the selective sealing of the inlet port 6 , that is to say its opening, the ball 10 being spaced from the seat 11, or its closure, the ball 10 resting on the seat 11.
  • the abutment members 12 may be provided opposite and away from the seat 11 to form a cage limiting the movements of the ball 10.
  • the bottom wall 9 may for example receive by fitting a dip tube, not shown, for communicating the metering chamber with the reservoir.
  • the invention is however not limited in particular to a body 1 or an intake valve as described above.
  • the body 1 may be devoid of bottom wall 9, the lower end of the side wall 7 forming the first end 3 of the body 1, or comprise an inner wall surrounded by the side wall 7, the inlet valve and the inlet port 6 being adapted accordingly.
  • the pump further comprises an end member 14 having a central opening and associated with the upper end 4 of the body 1.
  • the end member 14 may comprise a tubular wall which extends along the central axis A.
  • the end member 14 then has an outer surface and an inner surface which delimits the central opening.
  • the tubular wall of the end member 14 can form a lower tubular skirt 14a fitted inside the body 1.
  • the outer surface of the skirt 14a can then be arranged at least locally in contact with the inner surface of the side wall 7 of the body 1.
  • an annular ring 28 may be provided on the outer surface of the skirt 14a to come into contact with the inner surface of the body 1 and allow the attachment of the end member 14 inside the body 1.
  • a shoulder 15 protruding radially outwardly can be provided at one end of the skirt 14a to rest on the flange 5 of the body 1.
  • the skirt 14a may then have a free end 37, opposite the shoulder 15, which may be spaced from the inner surface of the body 1.
  • the skirt 14a may comprise an axial end zone 38 which comprises the free end 37 and which is offset radially with respect to the central axis A towards the interior of the body 1.
  • An annular space can thus be formed between the inner surface of the body 1 and the outer surface of the end zone 38 of the skirt 14a.
  • the inner surface of the side wall 7 of the body 1 can be adapted and, for example, have an enlarged part at the upper end 4 and a restricted portion against which the skirt 14a is fitted, an inclined portion joining the two parts.
  • end member 14 with the second end 4 of the body 1 by any other means and the end member 14 can be associated with the outer surface of the side wall 7 of the body 1.
  • tubular wall of the end member 14 may also form an upper tubular sleeve 14b which protrudes with respect to the upper end 4 of the body 1.
  • the nozzle 20 may comprise an elongated axial actuating tube 21 which delimits an outlet duct for the fluid product from the metering chamber 2 to the outside.
  • the actuating tube 21 extends inside the end member 14 and comprises an open bottom end disposed inside the body 1 and located near the inlet port 6, and an open upper end, located at a distance from the inlet orifice 6 and protruding with respect to the upper end 4 of the body 1.
  • the upper end of the actuating tube 21 may be adapted to allow the attachment of an actuator, such as a pusher not shown, on which a user can exert pressure to actuate the pump by moving the nozzle 20 from the home position to the end position.
  • an actuator such as a pusher not shown
  • the nozzle 20 is resiliently biased towards the rest position.
  • the actuating tube 21 may have an annular rim 23 which extends radially outwards.
  • An elastic member for example a compression spring 17, can then extend between the edge 23 of the actuating tube 21 and a radial projection 16 which extends from the inner surface of the end member 14 inward, substantially to the opposite of the ring 28.
  • the compression spring 17 thus disposed around the actuating tube 21 outside the metering chamber 2 improves the compactness of the pump and prevents contact between the fluid and the compression spring 17.
  • the end member 14 includes the rest stop and the end stop.
  • the free end 37 of the skirt 14a forms the rest stop against which the piston 25 is directly in abutment in the rest position of the compression member.
  • the end stop can be formed, for example in the form of a shoulder 39, on the inner surface of the end member 14.
  • the nozzle 20 can then be adapted to abut directly against the shoulder 39 in the end position.
  • the shoulder 39 is an annular projection on the inner surface of the tubular wall of the end member.
  • the rest stop is then located between the limit stop and the lower end 3 of the body.
  • the axial stroke of the compression member is defined by the difference between, on the one hand, the distance of the parts of the piston 25 and the nozzle 20 intended to abut on the stops of rest and end of stroke and, d ' on the other hand, the distance between the free end 37 and the shoulder 39 of the end member 14.
  • first d1 and second d2 distances from the inlet port 6 the first distance d1 being fixed regardless of the volume of the dose to be dispensed and the second distance d2 being adapted to be modulated so as to set a volume for the dose.
  • All pumps of the same range distributing doses of different volumes can thus have the same rest position, which simplifies the realization of the bodies of dressing of the upper part of the pump and can be the same for all the pumps.
  • the free end 37 of the skirt 14a may be adapted in particular to provide a seal between the piston 25 and the end member 14, in the rest position, without having to be modified and developed in a pump to the other.
  • FIG. 1 and 2 there is shown a first pump adapted to dispense doses of fluid product having a first volume.
  • the free end 37 of the end member 14 is located at a distance d1 from the inlet port 6 and the shoulder 39 is located at a distance d2 from the inlet port 6.
  • the shoulder 39 can then be on the inner surface of the skirt 14a.
  • a second pump belonging to the same range as the first pump is adapted to dispense doses of fluid product having a second volume different from the first volume, for example, less than the first volume.
  • the free end 37 of the end member 14 is situated at the same distance d1 from the inlet orifice 6 as the first pump but the shoulder 39 is located at a distance d2 'from the orifice d different admission 6, for example greater than that of the first pump.
  • the shoulder 39 can then be on the inner surface of the sleeve 14b.
  • the actuating tube 21 may comprise a collar 19 which extends axially from the free end of the rim 23 of the actuating tube 21 to be in abutment against the annular shoulder 39 in the end position. In the end-of-travel position, the support of the flange 19 on the shoulder 39 can thus be evenly distributed over an annular zone of the end member 14.
  • the actuating tube 21 is held in accordance with FIG. axis A which ensures a distributed support between the piston 25 and the body 1.
  • the flange 19 surrounding a portion of the actuating tube 21 has an external transverse dimension substantially equal to or less than the internal transverse dimension of a portion of the inner surface of the end member 14 so as to be movable, in particular together with the actuating tube 21, in the end member 14 facing the inner surface of said end member 14.
  • the flange 19 is integrally formed with the actuating tube 21.
  • provision may however be made for the flange 19 and / or the rim 23 to be attached.
  • the position on the nozzle 20 and / or the length of the flange 19 are also adjustable to be able to vary the stroke of the compression member and the volume of the dose of fluid product to distribute.
  • the nozzle 20 may also comprise an insert 22 elongate assembled to the actuating tube 21.
  • the insert 22 may comprise a base 30 which extends generally transversely with respect to the central axis A and which is disposed inside the metering chamber 2 opposite the intake port 6.
  • the base 30 may have a concavity facing upwards and comprise a central portion 31 and a frustoconical peripheral flange 32 flaring upwards.
  • the insert 22 and the actuating tube 21 define between them one or more passages, forming the exhaust port, for the fluid product from the metering chamber 2 to the outlet duct.
  • the piston 25 can then be mounted to slide axially on the nozzle 20 and comprise annular sealing surfaces adapted to come into sealing contact with annular sealing surfaces formed on the base 30 and thus form an exhaust valve 33 selectively closing during the sliding of the piston 25 on the nozzle 20, the exhaust port.
  • the actuating tube 21 may have, in the vicinity of the lower end, an end portion 24 of reduced transverse dimension.
  • the end portion 24 on which the piston 25 is slidably mounted may, for example, be delimited upwards by a shoulder or a flared portion 18.
  • the actuating tube 21 and the insert 22 may be two separate pieces assembled after the piston 25 has been mounted on the actuating tube 21.
  • the insert 22 can be inserted into the open end of the tube actuation 21.
  • the rim 23 being integral with the actuating tube 21, the end portion 24 of the actuating tube 21 is inserted into the end member 14 through the central opening of the sleeve 14b prior to the assembly of the piston 25 and the insert 22 and the mounting of the end member 14 on the body 1 of the pump.
  • the edge 23 and the flange 19 can however be attached, the mounting of the end member 14 can then be performed after the assembly of the piston 25 and the insert 22.
  • a swiveling may be provided between the insert 22 and the actuating tube 21.
  • the insert 22 may comprise a rod 34 which extends from the central portion 31 of the base 30 substantially perpendicular thereto.
  • the rod 34 may comprise a free end, opposite the base 30, provided with a head 35 snapped onto an annular flange 36 formed inside the actuating tube 21, an axial clearance and a transverse clearance being formed between the insert 22 and the actuating tube 21.
  • the insert 22 may comprise a hollow rod 34 delimiting a lower portion of the outlet duct and the exhaust orifice may be provided transversely on the actuating tube 21 or, where appropriate , on the hollow stem.
  • the piston 25 is adapted to bear tightly against the inner surface of the side wall 7 of the body 1 and in contact with the sealing surfaces of the base 30.
  • the piston 25 may comprise a central sleeve 26 slidably mounted on the end portion 24 of the actuating tube 21 between the flared portion 18 and the base 30, the distance between the flared portion 18 and the base 30 being adapted to obtain a sufficient opening of the exhaust valve 33.
  • the insert 22 comprises a hollow rod 34, it could be provided to mount the piston 25 on the insert 22.
  • the central sleeve 26 may have a lower free end which extends into the concavity of the base 30 so as to define the sealing surfaces coming into contact with the sealing surfaces of the base 30.
  • the sealing surfaces of the base 30 can thus be located on either side of the free end of the sleeve 26 to provide an improved seal of the exhaust valve 33.
  • the piston 25 may also comprise an axial annular sleeve 27 surrounding the central sleeve 26 and connected thereto by a substantially radial wall.
  • the sleeve 27 may define an upper lip and a lower lip which come into rubbing contact with the inner surface of the side wall 7 of the body 1, the vent hole 8 being disposed between the upper and lower lips in the rest position.
  • the piston 25 may comprise an annular groove 41, formed for example between the upper lip and the central sleeve 26, in which the extreme zone 38 of the skirt 14a is arranged in sealed contact in the rest position.
  • the nozzle 20 urged by the compression spring 17 is in its rest position ( figures 1 and 3 ).
  • the piston 25 is in abutment against the free end 37 of the skirt 14a of the end member 14, a sealed contact being established between the end zone 38 of the skirt 14a and the piston 25.
  • the free end of the sleeve central 26 rests against the base 30 to close the exhaust valve 33.
  • the inlet valve is closed.
  • the frictional force between the piston 25 and the body 1 is greater than the frictional force between the piston 25 and the nozzle 20.
  • the actuating tube 21 slides by relative to the piston 25 so as to open the exhaust valve 33.
  • the actuating tube 21 can slide relative to the piston 25 until the lower end of the actuating tube 21 abuts against a narrowing of the central sleeve 26 or until the shoulder or the flared portion 18 of the actuating tube 21 abuts against the central sleeve 26.
  • the displacement of the actuating tube 21 causes the piston 25 to move towards the inlet orifice 6.
  • the displacement of the nozzle 20 can be continued until the flange 19 comes into abutment against the annular shoulder 39 .
  • the compression member reaches the end position ( figures 2 and 4 ), the inlet valve being closed.
  • the compression spring 17 urges the actuating tube 21 towards the remote position and, because of the difference in the friction forces, the actuating tube 21 slides relative to the piston 25 until the central sleeve 26 comes into contact with the base 30 and closes the exhaust valve 33. Then, the rise of the nozzle 20 is accompanied by the raising of the piston 25 in the body 1 and therefore d an increase in the volume of the metering chamber 2. A depression is created in the metering chamber 2, which causes the opening of the intake valve, the ball 10 being offset relative to the seat 11, and a suction of the produced in the dosing chamber 2.
  • an elastic member such as a pre-compression spring, particularly in the presence of a fluid product of low viscosity, this spring being in high support on the one hand on the nozzle 20, for example against a shoulder, and on the other hand in a low support against the piston 25, so that it is necessary that a certain pressure is reached in the metering chamber 2 so that the exhaust valve 33 opens.
  • the displacement of the nozzle 20 from the rest position to the end position allows, when the metering chamber 2 is filled with air, before the first use, to expel air for the replace with fluid.
  • the base 30 has a filling member 40, for example integral with the free end of the flange 32.
  • the filling member 40 can be adapted to occupy a dead volume of the metering chamber 2, for example between the central sleeve 26 and the sleeve 27. It can also be provided that the filling member 40 is adapted to bear against the inner surface of the sleeve 27 in the rest position to improve the sealing of the pump.

Landscapes

  • Reciprocating Pumps (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
EP07122890.2A 2007-01-23 2007-12-11 Pumpe zur Ausgabe einer Dosis eines flüssigen Produkts und Sortiment, das solche Pumpen umfasst Active EP1949973B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0700462A FR2911640B1 (fr) 2007-01-23 2007-01-23 Pompe pour distribuer une dose de produit fluide et gamme comprenant de telles pompes.

Publications (2)

Publication Number Publication Date
EP1949973A1 true EP1949973A1 (de) 2008-07-30
EP1949973B1 EP1949973B1 (de) 2015-02-11

Family

ID=38254971

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07122890.2A Active EP1949973B1 (de) 2007-01-23 2007-12-11 Pumpe zur Ausgabe einer Dosis eines flüssigen Produkts und Sortiment, das solche Pumpen umfasst

Country Status (6)

Country Link
US (1) US7954677B2 (de)
EP (1) EP1949973B1 (de)
CN (1) CN101229534B (de)
BR (1) BRPI0800968B1 (de)
ES (1) ES2535833T3 (de)
FR (1) FR2911640B1 (de)

Cited By (2)

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ITMI20091648A1 (it) * 2009-09-25 2011-03-26 Modapack S R L "gruppo per la pressurizzazione e l'erogazione di sostanze fluide per una pompa ad azionamento manuale e pompa comprendente detto gruppo"
WO2018024657A3 (de) * 2016-08-04 2018-04-19 Rpc Bramlage Gmbh Fingerspraypumpe sowie düsenkopf für eine sprühpumpe

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US20110303702A1 (en) * 2010-06-11 2011-12-15 Derxin (Shanghai) Cosmetics Co., Ltd. Liquid spray head assembly
BR112013009593A2 (pt) * 2010-10-20 2016-07-12 Meadwestvaco Calmar Inc mecanismos de bombas e métodos de fabricação
GB2491104A (en) * 2011-05-18 2012-11-28 Ya-Tsan Wang A push-type dispenser nozzle with the spring located outside the fluid path
JP6137604B2 (ja) * 2013-03-11 2017-05-31 株式会社三谷バルブ 容器本体の内容物放出用のポンプ機構およびこのポンプ機構を備えたポンプ式製品
DE202014009706U1 (de) 2014-12-10 2015-12-14 Gerhard Brugger Dosierspender
US10166563B2 (en) * 2016-01-08 2019-01-01 Silgan Dispensing Systems Corporation Pump systems, pump engines, and methods of making the same
US10138971B1 (en) * 2018-01-03 2018-11-27 Silgan Dispensing Systems Corporation Dispensing pump with polymer compression spring assemby
US10391515B1 (en) * 2018-05-11 2019-08-27 Andrew Norman Kerlin Viscous fluid applicator pump
KR102427023B1 (ko) * 2020-08-24 2022-07-29 주식회사 삼화 액체 분사를 위한 펌프

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Publication number Priority date Publication date Assignee Title
US2593591A (en) * 1949-01-14 1952-04-22 Menkin Benjamin David Adjustable automatic fluid dispenser
WO2001078903A1 (en) * 2000-04-13 2001-10-25 Taplast Spa Multidose delivery pump
EP1266696A1 (de) * 2001-06-13 2002-12-18 Taplast S.p.A. Balgpumpe zur Abgabe von Gasflüssigkeitmischungen
WO2006008597A1 (en) 2004-07-09 2006-01-26 Taplast S.P.A. Unit for dispensing fluids or mixtures and dispensing device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20091648A1 (it) * 2009-09-25 2011-03-26 Modapack S R L "gruppo per la pressurizzazione e l'erogazione di sostanze fluide per una pompa ad azionamento manuale e pompa comprendente detto gruppo"
WO2011036217A1 (en) 2009-09-25 2011-03-31 Modapack S.R.L. Assembly for pressurization and dispensing of fluid substances for a manually operated pump, and pump comprising said assembly
WO2011036218A1 (en) 2009-09-25 2011-03-31 Modapack S.R.L. Manually operated pump comprising an assembly for pressurization and dispensing of fluid
US8631976B2 (en) 2009-09-25 2014-01-21 Lumson S.P.A. Manually operated pump comprising an assembly for pressurization and dispensing of fluid
WO2018024657A3 (de) * 2016-08-04 2018-04-19 Rpc Bramlage Gmbh Fingerspraypumpe sowie düsenkopf für eine sprühpumpe
CN109789431A (zh) * 2016-08-04 2019-05-21 Rpc布兰姆拉格股份有限公司 手指喷射泵和用于喷射泵的喷头
US10512926B2 (en) 2016-08-04 2019-12-24 Rpc Bramlage Gmbh Finger spray pump and nozzle head for spray pump
CN109789431B (zh) * 2016-08-04 2021-05-11 Rpc布兰姆拉格股份有限公司 手指喷射泵和用于喷射泵的喷头

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Publication number Publication date
EP1949973B1 (de) 2015-02-11
US7954677B2 (en) 2011-06-07
US20080210713A1 (en) 2008-09-04
CN101229534A (zh) 2008-07-30
BRPI0800968A2 (pt) 2009-02-10
BRPI0800968B1 (pt) 2020-09-24
FR2911640B1 (fr) 2012-09-21
CN101229534B (zh) 2013-08-07
BRPI0800968A8 (pt) 2015-04-07
ES2535833T3 (es) 2015-05-18
FR2911640A1 (fr) 2008-07-25

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