EP0286925A2 - Dispositif pour la distribution de liquides - Google Patents

Dispositif pour la distribution de liquides Download PDF

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Publication number
EP0286925A2
EP0286925A2 EP88105328A EP88105328A EP0286925A2 EP 0286925 A2 EP0286925 A2 EP 0286925A2 EP 88105328 A EP88105328 A EP 88105328A EP 88105328 A EP88105328 A EP 88105328A EP 0286925 A2 EP0286925 A2 EP 0286925A2
Authority
EP
European Patent Office
Prior art keywords
channel
pump
valve
discharge
compressed air
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
EP88105328A
Other languages
German (de)
English (en)
Other versions
EP0286925B1 (fr
EP0286925A3 (en
Inventor
Karl-Heinz Fuchs
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.)
Aptar Radolfzell GmbH
Original Assignee
Erich Pfeiffer GmbH
Ing Erich Pfeiffer GmbH
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 Erich Pfeiffer GmbH, Ing Erich Pfeiffer GmbH filed Critical Erich Pfeiffer GmbH
Publication of EP0286925A2 publication Critical patent/EP0286925A2/fr
Publication of EP0286925A3 publication Critical patent/EP0286925A3/de
Application granted granted Critical
Publication of EP0286925B1 publication Critical patent/EP0286925B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/0018—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam
    • B05B7/0025—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam with a compressed gas supply
    • B05B7/0031—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam with a compressed gas supply with disturbing means promoting mixing, e.g. balls, crowns
    • B05B7/0037—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam with a compressed gas supply with disturbing means promoting mixing, e.g. balls, crowns including sieves, porous members or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • B05B9/08—Apparatus to be carried on or by a person, e.g. of knapsack type
    • B05B9/0805—Apparatus to be carried on or by a person, e.g. of knapsack type comprising a pressurised or compressible container for liquid or other fluent material
    • B05B9/0811—Apparatus to be carried on or by a person, e.g. of knapsack type comprising a pressurised or compressible container for liquid or other fluent material comprising air supplying means actuated by the operator to pressurise or compress the container
    • B05B9/0816—Apparatus to be carried on or by a person, e.g. of knapsack type comprising a pressurised or compressible container for liquid or other fluent material comprising air supplying means actuated by the operator to pressurise or compress the container the air supplying means being a manually actuated air pump
    • B05B9/0822—Apparatus to be carried on or by a person, e.g. of knapsack type comprising a pressurised or compressible container for liquid or other fluent material comprising air supplying means actuated by the operator to pressurise or compress the container the air supplying means being a manually actuated air pump a discharge device being fixed to the container

Definitions

  • the invention relates to a discharge device for media stored in a container, with a pump which can be actuated by pressure actuation with a handle and a pump chamber, and with an outlet channel for the medium which is open in a discharge position of the device and leads to a discharge opening and which has an inlet channel which can be closed against the discharge direction is assigned for the stored medium.
  • the pump is usually designed as a thrust piston pump that acts directly on the medium to be pumped, ie, the medium in the pump chamber under delivery pressure, so that only a quantity of medium that is dependent on the size of the pump chamber can be pumped with a pump piston stroke.
  • a thrust piston pump that acts directly on the medium to be pumped, ie, the medium in the pump chamber under delivery pressure, so that only a quantity of medium that is dependent on the size of the pump chamber can be pumped with a pump piston stroke.
  • the invention has for its object to provide a discharge device of the type mentioned, which makes it possible in a simple manner to transfer the medium in a larger or smaller amount when transferred to a single discharge position, that is to say in a single continuous discharge process, regardless of the lifting capacity of the pump to apply.
  • the pump is designed as a compressed air pump with a compressed air connection leading to the container and that the discharge channel and the inlet channel in the discharge position to form an inlet opening between a container and through the discharge opening through the media channel substantially bypassing the pump chamber are directly connected to each other.
  • the preferably essentially pressure-tight container can be placed under a gas overpressure with the aid of the compressed air pump above the media level, that is to say can be charged with a substantially greater delivery capacity than the pump, for which purpose the inlet channel is kept closed. If the medium is now to be discharged, then only the channel connection between the inlet opening and the outlet opening needs to be established or opened, so that any quantity of the medium can then be discharged in one pass until the stated conveying capacity is exhausted.
  • the gas which is prestressed in the manner of a capacity in the container or in the media storage space, can be fed between the inlet opening and the outlet opening at the same time as the medium flowing through the media channel in a branch flow and can thereby be admixed, the gas then supplied for example, for foaming the medium before or in the area of the closable point of the inlet channel.
  • a partial stroke of the pump handle extending from the initial position of the pump over a larger part of the actuation stroke serves for the exclusive actuation of the compressed air pump, which can also be repeated over several strokes, for charging the pressure of the container, during a subsequent partial stroke, in particular extending to the end of the pump stroke serves to establish the open media channel connection between the inlet opening and the discharge opening, so that both functions can be triggered in succession with one-handed actuation of only a single handle.
  • the discharge device can be designed to be particularly compact and at least substantially axially symmetrical over the entire length of the pump chamber and of the valve arrangements associated with the media channel if the media channel is guided through the pump chamber in an essentially sealed manner.
  • the outlet channel can be transferred to its discharge position in simply moved together with the pump piston and transferred to its position, which is essentially close to the inlet channel, to form the media channel.
  • the discharge device 1 shown in FIGS. 1 to 4 is provided for pressure-tight, possibly detachable attachment to the narrowed neck of a bottle-shaped container 2, which forms a storage space for the medium and a compressed gas storage above the media level, the discharge device 1 engaging in the container neck fills almost the entire neck.
  • the discharge device 1 has an essentially axially symmetrical compressed air pump 3, which is designed as a thrust piston pump and is equipped with a device that extends across the neck of the container St Trentskappe 4, as a screw cap provided with an internal thread is centered opposite the container neck and is tensioned with the interposition of an annular seal against the end face of the container neck.
  • the compressed air pump 3 has an essentially cylindrical cylinder housing 5, which is relatively closely matched to the inner cross section of the neck of the container 2 indicated by dash-dotted lines in FIG. 2 and is essentially cup-shaped.
  • the cylinder housing 5 has an enlarged housing flange 6 which adjoins it via an annular disk-shaped projection, in the annular jacket part of which forms the associated end of the cylinder housing 5, an essentially annular disk-shaped cylinder cover 7 is inserted and is axially so by resilient detonation is securely fastened that the cylinder cover 7 rests with prestress on the inside of the annular disk-shaped projection and a projecting annular projection engages in the center of the cylinder housing 5.
  • the associated shoulder surface of the housing flange 6 serves to support the front surface of the container neck or on the associated ring seal.
  • the cylinder flange 6 engages with its outer circumference and its end face centered in an annular recessed inner recess of the fastening cap 4, with which it can be clamped against the container neck.
  • the compressed air pump 3 thus forms a structural unit which can be assembled together with the cap 4.
  • the cylinder housing 5 encloses a pump chamber 8 of the compressed air pump 3 that extends almost over its entire length and forms with the inner surface of its jacket a piston raceway 9 for a pot-shaped, essentially one-piece pump piston 10, the opposite with two at the ends of its jacket part obliquely directed sealing lips is guided sealed on this piston raceway 9.
  • the pump piston 10 is tubular with an outgoing from its bottom and less than half in outside diameter piston shaft 11, which is so large and lies in its central axis, which protrudes essentially beyond the outside of the bottom of the pump piston 10 and penetrates a central opening of the cylinder cover 7 and the associated section of the fastening cap 4 to the outside.
  • An actuating head 12 protruding from the associated end of the fastening cap 4 is fastened to the piston shaft 11, which engages in an end collar of the fastening cap 4 with a reduced diameter and can be displaced in the axial direction of the pump 3 up to the stop on the cylinder cover 7.
  • the actuating head 12 has on the inside a tubular socket, in which the piston shaft 11 engages for fastening and which projects through the cylinder cover 7 into the pump chamber 8 at the end of the pump stroke.
  • the pump piston 10 is loaded with a return spring 13 located within the pump chamber 8, which is designed as a helical compression spring and with one end on the inside of the bowl bottom 16 of the pump piston 10 and the other end on the ring-shoulder-shaped bowl bottom 17 of the cylinder housing 5 biased.
  • a return spring 13 located within the pump chamber 8, which is designed as a helical compression spring and with one end on the inside of the bowl bottom 16 of the pump piston 10 and the other end on the ring-shoulder-shaped bowl bottom 17 of the cylinder housing 5 biased.
  • the compressed air pump 3 has at least one suction check valve 14 and at least one discharge check valve 15 for filling and emptying the pump chamber 8.
  • Lip, flap, ball, hose or similar valves are conceivable as valves, it being advantageous if both check valves 14, 15 are of essentially the same or similar design.
  • the valve seat of the respective check valve 14 or 15 by an annular end face of the associated bottom, namely in the case of the suction check valve 14 through the inside of the cup bottom 16 of the pump piston 10 and in the case of the discharge check valve 15 through the outside of the Bottom wall 17 of the cylinder housing 5 is formed.
  • the valve closing part 18 of the entire vorgesese on the pump piston 10 Henen and with this as a whole displaceable suction check valve 14 is formed by an elastic, very flat or plate-shaped annular disc that needs to be axially movable over just a little more than twice its thickness and in the closed position covers a ring of suction openings, which in Cup bottom 16 immediately adjacent to and around the piston shaft 11 are provided as through openings in such a way that outside air can be sucked in via the end collar of the cap 4 and through the central opening of the cylinder cover 7 into it and thus into the pump chamber 8.
  • a disk-shaped stop ring 20 is attached to the valve closing part 18 on its side facing away from the valve seat at a correspondingly small distance in the pump piston 10 or in its cup bottom 16, the stop ring 20 being provided through openings on the outer circumference, on the inner circumference and / or is permeable to air in the area between these peripheral edges.
  • the discharge check valve 15 has a corresponding, but larger in diameter valve closing part 19 and an associated stop ring 21, but these two parts are in a projecting beyond the outside of the bottom wall 17 forming an extension of the jacket wall of the cylinder housing 5 and the ring of compressed air openings is provided close to the inner circumference of the cylinder housing 5.
  • the pump piston 10 When the compressed air pump 3 is actuated by depressing the actuating head 12, the pump piston 10 is moved in the direction of the bottom wall 17 against the force of the return spring 13 and with a corresponding reduction in the size of the pump chamber 8, the suction check valve 14 being automatically closed while the exhaust Check valve 15 is open so that air is pumped into the container 2 and thereby an excess pressure is generated.
  • the discharge check valve 15 closes automatically, while the suction check valve 15 opens, so that air flows into the pump chamber 8 in the manner described is sucked in.
  • the discharge device 1 has an outlet channel 22 which is essentially constantly closed with respect to the pump chamber 8 and which is guided through or essentially formed by the piston shaft 11 and leads at the outer end into a discharge opening 23 which leads to the outside and is provided on the actuating head 12.
  • the discharge opening 23 can lie in the axis of the pump 3 or, as shown, can be formed by the end of an end channel lying at an angle to it in the actuating head 12.
  • the discharge device 1 has an inlet channel 24 lying essentially in the axis of the pump 3, which has an inlet opening close to the container bottom opposite the pump 3, closed or formed in one piece with the rest of the container, and for example by a hose-like elastic or rigid Riser pipe 25 is formed, which is attached to the cylinder housing 5.
  • a cup-shaped sleeve 26 protruding into the pump chamber 8 is connected in one piece to the bottom wall 17 of the cylinder housing 5 and extends approximately over half the length of the pump chamber 88 and the outside width of the pump chamber 8 is so small that the inside width is smaller the compressed air openings in the bottom wall 17 lie between the outer circumference of this sleeve 26 and the piston raceway 9.
  • the return spring 13 is also guided centered on the outer circumference of the sleeve 26.
  • the associated end of the riser 25 is inserted and fixed, for example, by clamping or pressing.
  • the inlet end of the outlet channel 22 is in the form of a socket on the inside of the cup base 16 of the pump piston 10, on which the piston shaft 11 protrudes slightly with a corresponding extension and is surrounded by the check valve 14.
  • the outlet end of the inlet channel 24 is axially aligned and opposite in the bottom of the sleeve 26.
  • the outlet channel 22 has a transition opening 27 and the inlet channel 24 has a transition opening 28 which have the same width and a width which are slightly larger than that is the smallest clear width of the respective channel 22, 24.
  • the transfer openings 27, 28 pass through mutually facing end faces 29, 30 on the one hand of the associated end of the piston skirt 11 and on the other hand the bottom wall of the sleeve 26.
  • the inlet channel 24 and the outlet channel 22 form a media channel 31 which is continuous from the inlet end to the discharge opening 23 and which, although it passes through the pump chamber 8, is essentially sealed off from it, since the end face 29, 30, optionally with the use of additional ones Sealing members are provided as sealing surfaces.
  • the outlet channel 22 can be closed with an outlet valve 32 which is expediently located in the region of its transition opening 27, while the inlet channel 24 also with one Expediently in the region of its transfer opening 28 inlet valve 33 can be closed.
  • Both valves are expediently designed as conical seat valves that can be opened mechanically by pressure or axial actuation, and essentially so that the two valve closing parts 34, 35 and the associated valve springs can be mounted interchangeably.
  • the outlet valve 32 closes against the overpressure in the pump chamber 8, while the inlet valve 33 closes against the overpressure in the container 2. Both valves can be opened by hand against spring force, whereby instead of a separate actuation the arrangement is such that both valves can be opened essentially simultaneously with the actuating head 12.
  • valve closing part 35 of the inlet valve 33 has a driving stop 36 lying in the path of movement of an opening or stop member of the actuating head 12, which is formed by the end face of a plunger 37 projecting beyond the tapered end of the conical valve closing part 35.
  • the valve closing part 34 of the outlet valve 32 has a stop 38 in the relative movement path of an opening or stop member of the part of the pump which is fixed relative to the container 2 or the cap 4, and is formed in the same way by the end of a plunger 39 on.
  • the stop 36 or 38 of the one valve closing part 35 or 34 forms the opening or stop member 38 or 36 for the other valve closing part 34 or 35, so that the two valves 32, 33 are at the end of the pump stroke of the compressed air pump 3 open each other against the force of their closing spring by moving in opposite directions with respect to their valve seats.
  • the stops 36, 38 and the plungers 37, 39 protrude through the transfer openings 28, 27 in the closed position over the end faces 30, 29 and are approximately in the plane in the open or discharge position according to FIGS. 3 and 4 of these abutting end faces.
  • valve seat or the valve housing for the valve Closing part 34 of the outlet valve 32 is formed directly by the piston shaft 11 or the pump piston 10, the valve seat being formed by the inner boundary of an annular end wall penetrated by the transfer opening 27 and having the end face 29 on its outside.
  • a collar sleeve 40 is inserted within the socket of the actuating head 12, at the inner end of which the associated end of the valve spring 41, embodied as a helical compression spring and lying within the outlet channel 22, is supported, the other end of which has a centering mandrel surrounds at the rear of the valve closing part 34.
  • the valve housing 42 of the inlet valve 33 is formed by a separate, sleeve or cup-shaped component which is anchored to an outer jacket by insertion in the sleeve 26 and receives the valve closing part 35 and the associated valve spring 43 in an inner jacket, the associated one End of the riser 25 clamped between the outer and inner sheath of the valve housing 42 engages and is thereby fixed.
  • the valve seat of this inlet valve 33 is formed by the inside of the bottom wall of the sleeve 26.
  • a compressed air duct 44 opens into the media duct and preferably into the inlet duct 24, the inlet of which is connected to the pressure accumulator of the container 2 sunk and is therefore protected from spray liquid inside the sleeve 26, while its outlet opens transversely to the axis of the transfer opening 28 or the inlet channel 24 into the inlet valve 33 immediately adjacent to the valve seat thereof.
  • the compressed air duct 44 has significantly smaller, throttled cross sections than the media duct and is formed, for example, by a helical groove on the outer circumference of the outer casing of the valve housing 42, which lies against the inner surface of the casing wall of the sleeve 26.
  • This helical, directly connected to the pressure accumulator circumferential section of the compressed air channel 44 merges into an end section which is provided in the end face of the valve housing 42 abutting the bottom wall of the sleeve 26 and can have a spiral course instead of a radial course directed against the channel axis, so that the compressed air swirling into inlet channel 24 or the associated valve housing.
  • the discharge device works according to the following method: By depressing the actuating head 12, the pressure in the container 2 is charged in the manner described with the compressed air pump 3, whereby actuation of the pump 3 can only avoid a partial stroke that medium is discharged. If medium is to be discharged, the actuating head 12 is pressed down as far as it will go, the plungers 37, 39 of the valves 33, 32 meeting one another and the valves 32, 33 being opened substantially simultaneously with the application of the end faces 29, 30 to one another, so that the continuous media channel is formed and is continuously open from the inlet end of the inlet channel 24 to the discharge opening 23.
  • the excess pressure in the container 2 drives the medium through the inlet channel 24, bypassing the pump chamber 8, into the outlet channel 22 and from there through the discharge opening 23 into the open.
  • part of the compressed air compressed in the container 2 is admixed via the compressed air duct 44 to the medium flowing through the media or inlet duct 24 in an injection-like manner, so that it can be foamed up relatively far away from the discharge opening 23 and only in the fully foamed state Discharge opening 23 leaves.
  • a foaming body in the form of, for example, a sieve 45 can also be provided in the flow direction after the supply of the foaming air in the media channel, which is expediently attached as a cup-shaped body to the inner end of the collar sleeve 40 and thus in is located within the outlet channel 22 in the flow direction immediately after the outlet valve 32, so that there is also a relatively wide flow path from the sieve 45 to the discharge opening 23.
  • a collecting space 46 is provided in this for this leak medium, from which a return connection leads to the container 2.
  • the annular collecting space can be formed in a simple manner by the space of the pump chamber 8 adjoining the bottom wall 17 and not reached by the pump piston 10 at the end of the pump stroke, while the return connection is formed by the discharge check valve 15 or its valve openings, so that possibly Leak medium located in the pump chamber 8 is forcibly pressed out of the compressed air pump 3 and back into the container 2 at the beginning of each pump stroke.
  • the cup opening of the pump piston 10 lies in the direction of the pump stroke at the front.

Landscapes

  • Reciprocating Pumps (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Closures For Containers (AREA)
EP88105328A 1987-04-11 1988-04-01 Dispositif pour la distribution de liquides Expired - Lifetime EP0286925B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3712327 1987-04-11
DE19873712327 DE3712327A1 (de) 1987-04-11 1987-04-11 Austragvorrichtung fuer medien

Publications (3)

Publication Number Publication Date
EP0286925A2 true EP0286925A2 (fr) 1988-10-19
EP0286925A3 EP0286925A3 (en) 1988-12-28
EP0286925B1 EP0286925B1 (fr) 1991-08-07

Family

ID=6325427

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88105328A Expired - Lifetime EP0286925B1 (fr) 1987-04-11 1988-04-01 Dispositif pour la distribution de liquides

Country Status (2)

Country Link
EP (1) EP0286925B1 (fr)
DE (2) DE3712327A1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0392238A1 (fr) * 1989-04-08 1990-10-17 Ing. Erich Pfeiffer GmbH & Co. KG Dispositif de décharge pour médias
US5425477A (en) * 1994-06-29 1995-06-20 Monturas, S.A. Pump sprayer with stationary discharge
US5480069A (en) * 1993-07-23 1996-01-02 Chesebrough-Pond's Usa Co. Aerosol dispensing device
US5503306A (en) * 1994-10-19 1996-04-02 Aptar Group, Inc. Manually actuated pump
US5505343A (en) * 1994-10-19 1996-04-09 Knickerbocker; Michael G. Manually actuated pump
US5520337A (en) * 1990-03-14 1996-05-28 Ing. Erich Pfeiffer Gmbh & Co. Kg Controllable discharge head for controlling the flow media delivered therethrough
FR2757786A1 (fr) * 1996-12-26 1998-07-03 Sanofi Sa Ensemble de conditionnement de liquide, notamment d'un produit cosmetique ou d'un medicament
DE19727356A1 (de) * 1997-06-27 1999-01-07 Pfeiffer Erich Gmbh & Co Kg Spender für Medien
ITMI20121678A1 (it) * 2012-10-08 2014-04-09 Meadwestvaco Calmar S R L Pompa ad azionamento manuale per l'erogazione di sostanze fluide, ad innesco perfezionato
CN104884174A (zh) * 2012-09-03 2015-09-02 旻诺维森公司 泡沫分配器

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3860150A (en) * 1971-12-28 1975-01-14 Ciba Geigy Corp Aerosol dispenser for fluid products comprising a piston pump assembly for generating compressed air serving as propellant and a product metering device
FR2319788A1 (fr) * 1975-08-01 1977-02-25 Unilever Nv Pompe actionnee au doigt pour la distribution de liquides

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3860150A (en) * 1971-12-28 1975-01-14 Ciba Geigy Corp Aerosol dispenser for fluid products comprising a piston pump assembly for generating compressed air serving as propellant and a product metering device
FR2319788A1 (fr) * 1975-08-01 1977-02-25 Unilever Nv Pompe actionnee au doigt pour la distribution de liquides

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0392238A1 (fr) * 1989-04-08 1990-10-17 Ing. Erich Pfeiffer GmbH & Co. KG Dispositif de décharge pour médias
US5520337A (en) * 1990-03-14 1996-05-28 Ing. Erich Pfeiffer Gmbh & Co. Kg Controllable discharge head for controlling the flow media delivered therethrough
US5480069A (en) * 1993-07-23 1996-01-02 Chesebrough-Pond's Usa Co. Aerosol dispensing device
US5425477A (en) * 1994-06-29 1995-06-20 Monturas, S.A. Pump sprayer with stationary discharge
US5503306A (en) * 1994-10-19 1996-04-02 Aptar Group, Inc. Manually actuated pump
US5505343A (en) * 1994-10-19 1996-04-09 Knickerbocker; Michael G. Manually actuated pump
FR2757786A1 (fr) * 1996-12-26 1998-07-03 Sanofi Sa Ensemble de conditionnement de liquide, notamment d'un produit cosmetique ou d'un medicament
WO1998029192A1 (fr) * 1996-12-26 1998-07-09 Sanofi Ensemble de conditionnement de liquide, notamment d'un produit cosmetique ou d'un medicament
DE19727356A1 (de) * 1997-06-27 1999-01-07 Pfeiffer Erich Gmbh & Co Kg Spender für Medien
US6227415B1 (en) 1997-06-27 2001-05-08 Ing. Erich Pfeiffer Gmbh Thrust piston pump with double valve assembly
DE19727356B4 (de) * 1997-06-27 2006-04-20 Ing. Erich Pfeiffer Gmbh Spender für Medien
CN104884174A (zh) * 2012-09-03 2015-09-02 旻诺维森公司 泡沫分配器
ITMI20121678A1 (it) * 2012-10-08 2014-04-09 Meadwestvaco Calmar S R L Pompa ad azionamento manuale per l'erogazione di sostanze fluide, ad innesco perfezionato

Also Published As

Publication number Publication date
EP0286925B1 (fr) 1991-08-07
DE3712327A1 (de) 1988-10-20
DE3864059D1 (de) 1991-09-12
EP0286925A3 (en) 1988-12-28

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