US3910458A - Finger pump - Google Patents

Finger pump Download PDF

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Publication number
US3910458A
US3910458A US467585A US46758574A US3910458A US 3910458 A US3910458 A US 3910458A US 467585 A US467585 A US 467585A US 46758574 A US46758574 A US 46758574A US 3910458 A US3910458 A US 3910458A
Authority
US
United States
Prior art keywords
pump
fluid
inlet
outlet
finger
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
US467585A
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English (en)
Inventor
Ronald F Ewald
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.)
AptarGroup Inc
Seaquist Perfect Dispensing LLC
Original Assignee
Seaquist Valve Co
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 Seaquist Valve Co filed Critical Seaquist Valve Co
Priority to US467585A priority Critical patent/US3910458A/en
Priority to GB1496875A priority patent/GB1459961A/en
Priority to IT49245/75A priority patent/IT1035424B/it
Priority to CA226,032A priority patent/CA1024112A/en
Priority to NL7505190A priority patent/NL7505190A/xx
Priority to FR7513940A priority patent/FR2270458B1/fr
Priority to DE19752519953 priority patent/DE2519953A1/de
Application granted granted Critical
Publication of US3910458A publication Critical patent/US3910458A/en
Anticipated expiration legal-status Critical
Assigned to PITTWAY CORPORATION, A DE CORP. reassignment PITTWAY CORPORATION, A DE CORP. MERGER (SEE DOCUMENT FOR DETAILS). Assignors: PITTWAY CORPORATION, A PA CORP.
Assigned to APTARGROUP, INC. reassignment APTARGROUP, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: PITTWAY CORPORATION
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F11/00—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
    • G01F11/02—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement
    • G01F11/08—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement of the diaphragm or bellows type
    • G01F11/084—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement of the diaphragm or bellows type using a bulb to pressurise the fluid to be dispersed
    • 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
    • B05B11/1028—Pumps having a pumping chamber with a deformable wall
    • B05B11/1032—Pumps having a pumping chamber with a deformable wall actuated without substantial movement of the nozzle in the direction of the pressure stroke

Definitions

  • a finger pump for mechanically dispensing fluid product comprising a pump housing and pump mechanism, the pump housing and pump mechanism configured to cooperatively form a central flexible pump reservoir and plurality of fluid chambers to dispense product from a supply container.
  • these pumping mechanisms comprise a one-way ball valve, spring, sliding piston, and one or more sealing elements.
  • a relatively recent pump mechanism generally as seen in US. Pat. No. 3,486,663 comprises a checkvalve including a base member having a surface through which two ports open, and an integral elastomeric member which includes a recessed portion having a peripheral rim seated against the base surface to define a chamber therebetween.
  • a partition formed on the elastomeric member rests resiliently against the surface of base member between the ports to define two compartments wherein each communicate with one of the ports. Fluid is pumped through differential pressure caused by the pumping action of the elastomeric member.
  • this type of device has limited pumping capacities due to the mechanical structure of elements and internal pressure reduction within the product container.
  • the present invention relates to a finger pump for mechanically dispensing fluid product from a supply container. More specifically, the finger pump comprises a flexible pump mechanism in combination with a pump housing.
  • the pump housing includes a substantially cylindrical upper portion having an annular feed groove and an annular vent groove formed about the periphery thereof.
  • the annular feed groove communicates through a feed channel with the interior of the product container, while the annular vent groove communicates through a vent channel with the containerheadspace.
  • the flexible pump mechanism includes a pump reservoir, a vent chamber, a fluid supply chamber and a fluid discharge chamber. Each of these chambers includes a flexible vane separating each chamber into an inlet and outlet compartment by cooperatively engaging the vertical side wall of the housing.
  • the inlet compartment of the vent chamber communicates directly with the atmosphere through an inlet vent passage and the outlet compartment communicates with the head space of the dispenser through an outlet vent passage.
  • the inlet compartment of the fluid supply chamber communicates with the interior of the dispenser through the annular feed groove and elongated feed passage formed in the dip tube while the outlet compartment of the supply chamber communicates directly with the pump reservoir.
  • the discharge chamber communicates with the pump reservoir through an inlet discharge passage while the outlet compartment communicates with a discharge orifice formed in the side wall of the pump mechanism through an outlet discharge passage.
  • the top of the pump reservoir is depressed causingair to flow from the pump reservoir through the discharge orifice and out of the pumping mechanism.
  • fluid is drawn through the dip tube and annular feed groove into and through the fluid supply chamber into the pump reservoir due to the reduced pressure in the pump reservoir.
  • the product is caused to flow into and'through the discharge pump chamber and out the discharge orifice.
  • FIG. 1 is a cross-sectional side view of one embodiment of the finger pump of the invention.
  • FIG. 2 is a cross-sectional top view of the finger pump taken along line 22'of FIG. 1.
  • FIG. 3 is a cross-sectional side view of the pump res ervoir means of FIG. 1.
  • FIG. 4 is a cross-sectional side view of an alternate embodiment of the pump reservoir means.
  • FIG. 5 is a cross-sectional top view of the finger pump in the spray position taken along line 55 of FIG. 1.
  • FIG. 6 is a partial side view of the finger pump taken along line 66 of FIG. 5.
  • FIG. 7 is a cross-sectional top view of the finger pump in the lock position taken along line 55 of FIG. 1.
  • FIG. 8 is a partial side view of the finger pump taken along line 8-8 of FIG. 7.
  • FIG. 9 is a cross-sectional side view of another embodiment of the finger pump of this invention.
  • FIG. 10 is a panoramic view of the apron of the pump reservoir means.
  • FIGS. 11 and 12 are detailed cross-sectional side views of alternate embodiments of retainer means.
  • FIGS. 13 through 17 are cross-sectional side views of alternate embodiments of the pump housing.
  • OFTHE PREFERRED EMBODIMENT V a substantially cylindrical upper head portion 18 configured to operatively retain the pump mechanism 14 thereon.
  • annular locking means or ring 20 may be formed on the outer periphery of the upper head portion 18 which cooperates with an annular locking means or groove 22 formed on the pump mechanism 14 to secure the mechanism 14 to the housing 12.
  • the lower body portion 16 includes a hollow void or head space 24.
  • a dip tube 26 Extending downward from the upper head portion 18 is a dip tube 26 including a feed channel 28 which extends into the head space 24.
  • the dip tube 26 is configured to receive a dip tube tail (not shown) disposed to extend downward into the product itself.
  • a vent channel 30 (see FIGS. 1, I4 and 15) is cooperatively formed between the outer surface 32 of the dip tube 26 and the inner surface 34 of the upper head portion 18.
  • Formed about the outer surface 36 of the upper head portion 18 are annular vent and feed grooves 38 and 40 respectively which communicate with vent channel 30 and feed channel 28 respectively. 7
  • FIGS. 13 through 15 show pumphousing 12 in com-' ponent form.
  • the upper head portion 18 includes mounting ledge 19 which operatively engages the lower body portion 16 when assembled.
  • the effective height of the pump housing 12 may be changed simply by exchanging the upper portion 18 without effecting the remaining structural elements.
  • the pump mechanism 14 comprises an attachment means 42, a pump reservoir means 44 and a retainer means 46.
  • the attachment means 42 comprises an inner body portion 48 mounted on the upper head portion 18 and an outer skirt portion 50 which cooperatively form an attachment groove 52 therebetween.
  • the vertical dimension of the attachment means 42 may be varied to change the effective height of the pump mechanism 14 without changing any of the other structural elements.
  • the pump reservoir means 44 comprises a pump member 53, a pump reservoir 54 and an apron 56.
  • the apron 56 extends downwardly to seat in the attachment groove 52.
  • a plurality of fluid chambers as best shown in FIG. 4 are formed about the inner periphery 50 ofthe apron 56.
  • the retainer means 46 comprises an annular ring 62 to secure the pump reservoir means 44 to the attachment means 42.
  • the retainermeans 46 may include a terminal orifice insert ing ring 59 is formed on the forward portion of the pumpreservoirmeans 44. Sealing ring 59 normally engages attachment means 42 to cooperatively form feed cavity 61 therebetween.
  • the finger pump 10 may include alock means to selectively control actuation of the finger pump 10.
  • the lock means comprises locking lug 63 and first and second lock stops 65 and 67 respectively.
  • Retainer means 46 is rotatable ,between a lock and spray position. Specifically, re-
  • the lockmeans may also include index means to provide a visual indication of the .spray or V lock position.
  • the index means comprises an aper- 64 whichcommunicates with a discharge orifice 60 through a discharge passage 66.
  • FIG. 12 shows another alternate embodiment of the retainer means 46.
  • theannular ring 62 includes a flexible lever 51 extending rearwardly from the forward upper portion thereof. When operatively assembled, the lever 51 is disposed to engage the pump member 53 moving the pump member 53 from the first to second position as more fully described hereinafter. Upon release, the lever 51 will return to the normal position permitting the pump member 53 to return to its first position. 7
  • FIG. 9 discloses an alternate embodiment wherein the discharge orifice 60 is misaligned with the terminal orifice insert 64.
  • the insert is of the mechanical breakup type whereby a spraycan, be effected.
  • Lever 51 is included to actuate the pump member 53 similar to the embodiment of FIG. 12. 7
  • the pump reservoir means 44 may comprise a single element or body including the pump member 53, the pump reservoir 54 and the apron, 56 having the discharge orifice 60 formed therein.
  • the apron 56 has a plurality of fluid chambers which comprise a pressure equalization vent chamber 68, a fluid supply chamber and a fluid discharge chamber. 72.
  • the vent chamber68 comprises inlet and outlet vent compartments 74 and 76 respectively separated by a flexible vent vane 78 inclined relative to the radius of the chamber 68.
  • the inlet and out let vent compartments 74 and ,76 communicate with the surrounding atmosphere and the vent passage 30 respectively through inlet and, outlet vent passages. 80 and 82 respectively.
  • the fluid supply chamber 70 comclined relative to the radius of the chamber '70.
  • the fluid discharge chamber 72 comprises inlet and outlet discharge compartments 94and 96 respectively separated by a flexible discharge vane 98 inclined relative to the radius of the chamber 72.
  • Inlet and outlet compartments 94 and 96 communicate with the pump reservoir 54 and discharge orifice 60 respectively through inlet and outlet discharge passage 100 and I02 respectively (bestshow n in FIG. 3).
  • the pump member53 is moved from the first to second position depressing it downward and then releasing it, permitting the pump member 53 to return to the first or original position.
  • the resulting reduced pressure within the pump reservoir 54 relative to the interior of the container causesfluid to flow upward through the feed passage 28, and inlet supply passage 90 into inlet supply com'partment84;
  • product'flows under pressure through flexible supply vane 88 and outlet supply passage 92 to pump reservoir 54 (FIG. 1
  • the product is pumpedunder force through the inlet discharge passage I00, inlet and outlet compartments 94 and 96 via flexible discharge vane 98 and outlet discharge passage 102 to feed cavity 61 of poppet 55.
  • the pressure builds within feed cavity 61 until the pressure overcomes the force holding sealing ring 59 against the pump reservoirimeans 44. When this pressure is reached, the seal is broken allowing product to flow through.
  • the poppet 55 may be lockedto prevent actuation of the finger pump by rotation of the retainer means 46 relative to the pump reservoir means 44.
  • the lotion pump disclosed in FIG. ll operates similarly to that of the spray pump previously described.
  • FIG. 12 operates similarly to that of FIG. 1 except the lever 51 engages the pump member 53 rather than being depressed by the operators finger.
  • FIG. 9 operates similarly to that of FIG. 1 except that the product must flow circumfe'rentially about annular discharge passage 66 from the discharge orifice 60 to the terminal orifice insert 64.
  • vent chamber 68 operates substantially independent of the pump reservoir 54. AS the internal pressure within the container (not shown) decreases as product is dispensed, the vent vane 78 permits the flow of air from the surrounding atmosphere through the inlet vent passage 80, vent chamber 68, outlet vent passage 82, vent groove 38 and vent channel 30 to the interior of the container (not shown) (FIGS. 1 and 4). It should be noted that, since the vanes 78, 88 and 98 are inclined relative tol the. radius of their respective chambers 68, 70 and 72, each is freeto flexin only one direction due to differential-pressure as previously described. In this manner, an effective, efficient mechanical finger pump 10 is provided.
  • a finger pump for mechanically dispensing fluid product from a supply container comprising: a pump housing, a pump mechanism attached to said pump housing, said pump mechanism comprising a fluidsupply chamber, a fluid discharge chamber, a pump reservoir and a pump member, said fluid supply chamber and said fluid discharge chamber both formed in said pump mechanism in spaced substantially segregated relation to one another and both disposed laterally about the outer periphery of said pump mechanism, said fluid supply chamber communicating with the interior of the supply container and said pump reservoir, a discharge. orifice formed in said pump mechanism, said fluid discharge chamber.
  • said fluid supply chamber and fluid discharge chamber each includes an inlet and outlet compartment, corresponding inlet-and outlet compartments being normally isolated from each other by a flexible vane disposed therebetween, each said vane movable between a first sealing position and a second open position to permit communication between corresponding inlet and outlet compartments upon predetermined differential pressure between said corresponding inlet and outlet compartments.
  • each said vane is inclined relative to the radius of said corresponding chambers to permit the flow of fluid from said inlet to said outlet compartment.
  • said fluid supply chamber includes .an. inlet and outlet supply passage, said inlet supply passage communicating with the interior of the supply container and said inlet fluidsupply compartment, said outlet passage communicating between said outletcompartment and said pump reservoir, said fluid discharge chamber including an inlet and outlet discharge passage, said fluid discharge inlet passage communicating between said pump reservoir and said inlet fluid discharge compartment and said outlet fluid discharge passage communicating between said outlet fluid discharge compartment and said dis-. charge orifice.-
  • a finger pump of claim furtherv including a fluid vent chamber including an inlet and outlet compartment, said inlet and outlet compartments normally isolated from each other by a flexible vane disposed therebetween, said vane movable between a first sealing position and a second open position to permit communication between said inlet and outlet compartments upon predetermined differential pressure between said inlet and outlet compartments.
  • said fluid vent chamber includes an inlet and outlet vent passage, said inlet vent passage communicating with the exterior of the supply container and said outlet fluid vent eompartment, said outlet passage communicating between said outlet compartment and said pump reservoir, said fluid discharge chamber including an inlet and outlet discharge passage, said fluid discharge inlet passage communicating between said pump reservoir and said inlet fluid discharge compartment and said outlet fluid discharge passage communicating between said outlet fluid discharge compartment and said discharge orifice.
  • said pump housing includes a dip tube extending downward from the upper portion thereof, said dip tube and said upper portion cooperatively forming a vent channel thcrebetween said vent channel communicating between the interior of the supply container and said vent groove.
  • said pump housing comprises an attachment means mounted on said pump housing, said attachment means including an inner body portion secured in engagement with said pump housing on an outer skirt portion disposed relative to said inner body portion to cooperatively form an attachment groove therebetween, said pump reservoir means including an apron formed on the lower portion thereof to securely engage said attachment groove, said pump mechanism further including retainer means engaging said apron to secure said pump reservoir means to said attachment means.
  • the finger pump of claim 13 wherein said pump housing comprises a lower portion attached to the supply container and an upper portion to secure said pump mechanism thereto.
  • said apron includes a poppet formed therein, said poppet including a resilient web and a sealing ring normally engaging said attachment means to cooperatively form a feed cavity therebetween, said feed cavity in communication with said fluid discharge chamber.
  • the finger pump of claim 19 further including locking means to selectively control actuation of said finger pump.
  • means comprises a locking lug movable between a spray and lock position, said locking lug disposed to engage said poppet when in said lock position to prevent actuation thereof and said locking lug disposed to disengage said poppet when in said spray position to permit actuation thereof.
  • the finger pump of claim 21 further including index means to provide a visual indication of said spray and lock position.
  • index means comprises an aperture formed in said retainer means and a spray and lock indieia formed on said pump reservoir means.
  • a finger pump for mechanically dispensing fluid product from a supply container said pump comprismunication between said inlet and outlet"compart-- ments' upon predetermined differential pressure therebetween; said fluid supply chamber communicating with the interior of the supply container and said pump reservoir, a discharge orifice formed in said pump mechanism, said fluid discharge chamber communicating with said pump reservoir and said discharge orifice, said pump member movable between a first and second position to draw fluid product from the interior of the supply container through said fluid supply chamber into and through said pump reservoir, said fluid discharge chamber and out said discharge passage.

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  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Reciprocating Pumps (AREA)
US467585A 1974-05-06 1974-05-06 Finger pump Expired - Lifetime US3910458A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
US467585A US3910458A (en) 1974-05-06 1974-05-06 Finger pump
GB1496875A GB1459961A (en) 1974-05-06 1975-04-11 Finger-actuated pump
IT49245/75A IT1035424B (it) 1974-05-06 1975-04-23 Perfezionamento nelle pompe ad azionamento manuale per erogatori
CA226,032A CA1024112A (en) 1974-05-06 1975-05-01 Finger pump
NL7505190A NL7505190A (nl) 1974-05-06 1975-05-02 Pomp voor een spuitfles of dergelijke.
FR7513940A FR2270458B1 (it) 1974-05-06 1975-05-05
DE19752519953 DE2519953A1 (de) 1974-05-06 1975-05-05 Fingerpumpe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US467585A US3910458A (en) 1974-05-06 1974-05-06 Finger pump

Publications (1)

Publication Number Publication Date
US3910458A true US3910458A (en) 1975-10-07

Family

ID=23856294

Family Applications (1)

Application Number Title Priority Date Filing Date
US467585A Expired - Lifetime US3910458A (en) 1974-05-06 1974-05-06 Finger pump

Country Status (7)

Country Link
US (1) US3910458A (it)
CA (1) CA1024112A (it)
DE (1) DE2519953A1 (it)
FR (1) FR2270458B1 (it)
GB (1) GB1459961A (it)
IT (1) IT1035424B (it)
NL (1) NL7505190A (it)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3987938A (en) * 1975-09-18 1976-10-26 Diamond International Corporation Dispensing pump
FR2544694A1 (fr) * 1983-01-18 1984-10-26 Yoshino Kogyosho Co Ltd Recipient pour fluide a l'etat de creme
EP0649684A2 (fr) * 1993-10-22 1995-04-26 L'oreal Ensemble de distribution à reprise d'air commandée
US5462208A (en) * 1994-08-01 1995-10-31 The Procter & Gamble Company Two-phase dispensing systems utilizing bellows pumps
US5871126A (en) * 1996-01-22 1999-02-16 Chesebrough-Pond's Usa Co., Division Of Conopco, Inc. Pump dispenser
WO2001074496A1 (en) * 2000-03-31 2001-10-11 Emsar S.P.A. A metering device for fluid products
US20050178218A1 (en) * 2004-01-28 2005-08-18 Jean Montagu Micro-volume blood sampling device
US20060273112A1 (en) * 2005-06-02 2006-12-07 Karl-Heinz Fuchs Manually operable dosing device for a medium
US20070075096A1 (en) * 2005-10-04 2007-04-05 Brainard John P Blister pump dispenser
US20110139825A1 (en) * 2009-12-10 2011-06-16 Kao Brands Company Diaphragm-style bottle pump
US20130320042A1 (en) * 2011-02-22 2013-12-05 Evans Santagiuliana Divice for dispensing fluids or mixtures
CN103649534A (zh) * 2011-07-06 2014-03-19 森西勒Pat股份公司 液体分配系统
US9290222B1 (en) * 2011-08-18 2016-03-22 Steven D. Kuhl Adjustable pneumatic bicycle saddle system with improved pump
US20180318861A1 (en) * 2015-10-26 2018-11-08 Rieke Packaging Systems Limited Dispenser pump
US20220055052A1 (en) * 2019-02-08 2022-02-24 Kao Corporation Dispenser
US20220250106A1 (en) * 2019-07-23 2022-08-11 Rieke Packaging Systems Limited All-polymer pump dispenser with internal plug seal

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH604008A5 (it) * 1975-11-11 1978-08-31 Lampert Heinz
GB8629982D0 (en) * 1986-12-16 1987-01-28 English Glass Co Ltd Dispenser pump
GB9226140D0 (en) * 1992-12-15 1993-02-10 Canyon Europ Ltd A valve means
US7013980B2 (en) 2003-08-19 2006-03-21 Welldynamics, Inc. Hydraulically actuated control system for use in a subterranean well
WO2006124024A1 (en) 2005-05-13 2006-11-23 Welldynamics, Inc. Single line control module for well tool actuation
CN112105566B (zh) * 2018-04-06 2023-02-03 9421-7213魁北克股份有限公司 分配泵及其制造方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2690278A (en) * 1952-05-24 1954-09-28 Bacheller D Flavius Dispensing pump for small containers
US3102489A (en) * 1961-04-11 1963-09-03 Drackett Co Dispensing pump valve structure
US3146920A (en) * 1962-03-08 1964-09-01 Mead Johnson & Co Dispenser for metered amounts of fluid

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2690278A (en) * 1952-05-24 1954-09-28 Bacheller D Flavius Dispensing pump for small containers
US3102489A (en) * 1961-04-11 1963-09-03 Drackett Co Dispensing pump valve structure
US3146920A (en) * 1962-03-08 1964-09-01 Mead Johnson & Co Dispenser for metered amounts of fluid

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3987938A (en) * 1975-09-18 1976-10-26 Diamond International Corporation Dispensing pump
FR2544694A1 (fr) * 1983-01-18 1984-10-26 Yoshino Kogyosho Co Ltd Recipient pour fluide a l'etat de creme
US4565306A (en) * 1983-01-18 1986-01-21 Yoshino Kogyosho Co., Ltd. Cream-state fluid container
EP0649684A2 (fr) * 1993-10-22 1995-04-26 L'oreal Ensemble de distribution à reprise d'air commandée
FR2711554A1 (fr) * 1993-10-22 1995-05-05 Oreal Ensemble de distribution à reprise d'air commandée.
EP0649684A3 (fr) * 1993-10-22 1995-09-20 Oreal Ensemble de distribution à reprise d'air commandée.
US5492252A (en) * 1993-10-22 1996-02-20 L'oreal Dispensing assembly due to control air uptake in contact with fluid product
US5462208A (en) * 1994-08-01 1995-10-31 The Procter & Gamble Company Two-phase dispensing systems utilizing bellows pumps
US5871126A (en) * 1996-01-22 1999-02-16 Chesebrough-Pond's Usa Co., Division Of Conopco, Inc. Pump dispenser
WO2001074496A1 (en) * 2000-03-31 2001-10-11 Emsar S.P.A. A metering device for fluid products
US6672485B2 (en) 2000-03-31 2004-01-06 Emsar S.P.A. Metering device for fluid products
US20050178218A1 (en) * 2004-01-28 2005-08-18 Jean Montagu Micro-volume blood sampling device
US20060273112A1 (en) * 2005-06-02 2006-12-07 Karl-Heinz Fuchs Manually operable dosing device for a medium
US20070075096A1 (en) * 2005-10-04 2007-04-05 Brainard John P Blister pump dispenser
US7644841B2 (en) 2005-10-04 2010-01-12 Brainard John P Blister pump dispenser
US20110139825A1 (en) * 2009-12-10 2011-06-16 Kao Brands Company Diaphragm-style bottle pump
US20130320042A1 (en) * 2011-02-22 2013-12-05 Evans Santagiuliana Divice for dispensing fluids or mixtures
US9555428B2 (en) * 2011-02-22 2017-01-31 Taplast S.P.A. Device for dispensing fluids or mixtures
CN103649534B (zh) * 2011-07-06 2016-07-06 森西勒Pat股份公司 液体分配系统
CN103649534A (zh) * 2011-07-06 2014-03-19 森西勒Pat股份公司 液体分配系统
US9290222B1 (en) * 2011-08-18 2016-03-22 Steven D. Kuhl Adjustable pneumatic bicycle saddle system with improved pump
US20180318861A1 (en) * 2015-10-26 2018-11-08 Rieke Packaging Systems Limited Dispenser pump
US11014108B2 (en) * 2015-10-26 2021-05-25 Rieke Packaging Systems Limited Dispenser pump
US20220055052A1 (en) * 2019-02-08 2022-02-24 Kao Corporation Dispenser
US20220250106A1 (en) * 2019-07-23 2022-08-11 Rieke Packaging Systems Limited All-polymer pump dispenser with internal plug seal
US11850613B2 (en) * 2019-07-23 2023-12-26 Rieke Packaging Systems Limited All-polymer pump dispenser with internal plug seal

Also Published As

Publication number Publication date
FR2270458A1 (it) 1975-12-05
CA1024112A (en) 1978-01-10
FR2270458B1 (it) 1979-04-06
IT1035424B (it) 1979-10-20
NL7505190A (nl) 1975-11-10
DE2519953A1 (de) 1975-11-20
GB1459961A (en) 1976-12-31

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