EP0250965A1 - Distributeur - Google Patents

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Publication number
EP0250965A1
EP0250965A1 EP87108441A EP87108441A EP0250965A1 EP 0250965 A1 EP0250965 A1 EP 0250965A1 EP 87108441 A EP87108441 A EP 87108441A EP 87108441 A EP87108441 A EP 87108441A EP 0250965 A1 EP0250965 A1 EP 0250965A1
Authority
EP
European Patent Office
Prior art keywords
hub
wall
pump chamber
bottle
star
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
EP87108441A
Other languages
German (de)
English (en)
Other versions
EP0250965B1 (fr
Inventor
Alfred Von Schuckmann
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.)
Megaplast Dosiersysteme GmbH and Co
Original Assignee
MEGA-PLAST PROD VERPACKUNG
MEGA PROD VERPACK MARKETING
Megaplast Dosiersysteme GmbH and 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 MEGA-PLAST PROD VERPACKUNG, MEGA PROD VERPACK MARKETING, Megaplast Dosiersysteme GmbH and Co filed Critical MEGA-PLAST PROD VERPACKUNG
Priority to AT87108441T priority Critical patent/ATE55968T1/de
Publication of EP0250965A1 publication Critical patent/EP0250965A1/fr
Application granted granted Critical
Publication of EP0250965B1 publication Critical patent/EP0250965B1/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
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
    • B05B1/06—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape in annular, tubular or hollow conical form
    • 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
    • B05B11/1035—Pumps having a pumping chamber with a deformable wall the pumping chamber being a bellow
    • 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
    • B05B11/1059—Means for locking a pump or its actuation means in a fixed position

Definitions

  • the invention relates to dispensers for the portioned dispensing of liquid to pasty masses, with dispensing device arranged on the neck of a bottle or the like, which dispenser has a dispensing valve and an actuating head piece having a lateral dispensing opening, which protrudes in the apex region of a flexible pump chamber wall and, penetrating the pump chamber, is guided in a hub of the pump chamber floor.
  • a donor of this type is known from European patent application 0 035 588.
  • the hub guiding the actuating head piece has spokes which extend over the entire transverse width of the cylindrical dispenser housing.
  • the guided shaft of the actuating head piece is implemented as a tube which is closed on the housing bottom side. At a distance from the end of the tube there are openings for passage of the dispensed material into the interior of the tube, where it finally exits through the side-pointing dispensing opening.
  • the openings and the inner wall of the hub sealingly in the basic position have a valve function; they form the so-called dispensing valve. The opening of the same results when the output device is pushed down. The medium under pressure swells through the openings into the interior of the shaft.
  • the last actuation stroke is finally limited by a pressure plate which is provided in the forerunner described and which runs behind the fill level column and is blocked on one side. This is because the shaft end there runs towards it, and the open pump chamber floor leaves a relatively large remaining amount of the dispensed material unfit for dispensing.
  • the object of the invention is to design a generic dispenser in a technically simple, advantageous manner in such a way that a largely residue-free discharge of the filling material is achieved.
  • the storage room and pump room are clearly subdivided. There are no more application-neutral zones of the usual size.
  • the medium reaches the pump chamber directly through the hub. This eliminates the force-consuming rearrangement of the medium that occurs particularly with pasty contents; it is moved linearly through the pump zone.
  • the structural means are simple and functional. In this regard, the procedure is such that the hub wall of the closed pump chamber floor continues in the bottle into a pump inlet valve chamber, the actuating head piece is star-shaped on its length leading in the hub and the outer narrow edge of at least one star rib is clipped behind a stop bead on the upper edge of the Hub grips.
  • the pump chamber wall is designed as a truncated cone-shaped bellows. As a result of the folding there is an even reduction in volume; the flexible pump chamber wall cannot evade. With a relatively small actuation pressure area, the forces are distributed over the entire bellows body. Its base faces the bottle neck. A targeted delivery of the goods is achieved by means of a rotation lock between at least one star rib and the stop bead of the hub.
  • a favorable clip assignment is achieved in that the star ribs towards the bottle-side end taper to a point, ie her back is undercut like a notch valley. On the one hand, this leads to a spring deflection free space on the central shaft of the actuating head piece and, on the other hand, to a material saving that is again quite interesting today.
  • the star ribs start from a transverse wall of the actuating head piece, above which a pump discharge valve chamber extends. The latter leads to a mutual stabilization of the adjoining games.
  • the invention further proposes that the pressure surface of the actuating head piece is formed by a clipped-in wall which carries the spring of the dispensing valve on its underside.
  • the invention proposes that the bottom wall of the pump inlet valve chamber continues into a suction hose connector.
  • the suction hose known as a riser pipe can even be molded directly onto the nozzle, which further reduces the number of parts.
  • an air inlet opening is provided on the inside of the pump chamber bottom of the bottle in the side wall of the dispensing device, in front of which a valve seat surface extends on the outside, onto which the bottle-side end edge of the bellows is placed as a cantilevered lip which, in the case of air suction, escapes into the spacing annular space.
  • the dispensing device 1 designed as a metering pump sits on the neck 2 of a bottle 3.
  • the fastening takes place by means of the screw connection.
  • the neck 2 has the corresponding external thread 4, in which the internal thread 5 of a screw cap-like base body engages.
  • Its cylindrical cap wall 6 has axial grooves 7 on the outside that increase its grip.
  • the ceiling of the screw cap-like base body acts as a partition between the storage space 9 of the bottle 3 and the pump space 10 of the dispensing device 1 lying above it.
  • the bottom 8 forms a hub N lying in a central position. It is a cylindrical, sleeve-like projection which projects beyond the pump chamber floor 8 both in the direction of the storage chamber 9 and in the direction of the pump chamber 10. It is rooted in a bottle neck-side indentation 11 of the base 8. Between the said indentation 11 and the lateral surface of the hub N, a narrow annular space 12 remains. From the base of the indentation, the hub extends in both, insofar as it is the same cross-sectional area Directions in the same length axially directed. A length section practically corresponds to the clear diameter of the recess 11.
  • the bottom 8 In the plane of extension of the bottle neck, the bottom 8 initially merges into an annular wall 13, specifically in the direction of the neck-front edge 2 ⁇ , from where it merges into the cylindrical cap wall 6 to form an outwardly pointing horizontal annular step.
  • the corresponding wall jump leads to a sealing ring shoulder 13 ⁇ .
  • annular wall 13 continues into a collar 15 which slightly protrudes above the pump chamber base 8 and is slightly outward.
  • the bottle-side end of a bellows B forming the flexible pump chamber wall is clipped onto the latter. Its other, upward-facing end is seated on an actuating head piece 16 of the dispensing device 1. It enters an annular space 17 on the underside with a limit stop.
  • a clip connection can also be realized here.
  • the actuating head piece 16 is guided in the hub N in an axially limited manner. For this purpose, it continues on the underside in a shank 18 which is star-shaped in cross section, preferably cruciform. To limit the extension, the narrow edge 19 ⁇ of at least one star rib 19 clips behind an abutment bead 20 on the inside at the upper edge of the hub N.
  • the abutment shoulder 21 which cooperates with the abutment bead 20 results from a radial widening of the zone of the narrow edge which adjoins in the basic position immediately below the abutment bead 20 19 ⁇ . In the embodiment, all narrow edges 19 ⁇ are equipped with clips.
  • a corresponding anti-rotation lock is useful if, for example, taking into account a molded handle on the bottle body, a certain dispensing direction is provided for the discharge channel 23 of a beak-like mouthpiece that leads away laterally from the actuating head piece 16. Its mouthpiece opening is designated by 24. It lies outside the maximum cross-section of the bottle and thus allows the contents to be applied in a targeted manner.
  • the star ribs 19 taper towards the bottle-side end, i. H. they are cut free from the actual central cross core of the shaft 18. This increases the resilience; the star ribs yield resiliently radially inwards.
  • the wedge-shaped cut-out slots 25 tapering upward project beyond the upper edge of the hub.
  • the shaft core projects beyond the lower end of the star ribs 19.
  • the outer edges of the star ribs 19 are also chamfered on the end face, so that the stop bead 20 can be overrun more easily during assembly. In contrast, the shaft can only be pulled off the hub by applying higher pulling forces. However, the assignment can also be irreversible.
  • the actuating head piece 16 forms a chamber 26.
  • the latter serves to accommodate a pump dispensing valve V 2.
  • Its valve seat surface 27 is located in a transverse wall 28, from which the star ribs 19 extend on the underside.
  • the valve disk 14 has a spherical shape; its shaft pointing upwards is cross-profiled. The longitudinal walls of the shaft lead to the wall of the chamber 26.
  • the valve opening 29 extends into the pump area of the cross-profiled shaft 18.
  • the bore diameter is larger than that Thickness of the star ribs is 19, which results in good fenestration.
  • the pump output valve V 2 is under spring load.
  • the spring 30 is realized as an annular body and is molded onto the underside of a wall 31 closing the chamber 26. The latter is clipped in on the cover side. Its top closes substantially at the same level as that of the actuating piece 16, thus forming a proportion of the actuating surface 16 ⁇ .
  • the discharge channel 23 opens laterally into the chamber 26 through which the medium flows.
  • the bottle-inward end of the dispensing device 1 forms a connection piece 32 for a suction hose 33 reaching to the bottom 3 ⁇ of the bottle. Its mouth on the bottom is set or cut so that the bottle wall cannot close its end.
  • the suction hose 33 which can also be referred to as a riser pipe, via a connecting piece to the end section of the hub N there, the suction hose 33 can also be molded at the same time.
  • the hub forms a chamber 35 for a pump inlet valve V 1 in a reduced-section end section 34.
  • the latter is of the same construction as that in the chamber 26.
  • the valve seat surface 36 also lies in a transverse wall-like shoulder zone of the bottom wall 37 formed there by a reduction in cross-section.
  • the valve opening 38 is aligned with the inside diameter of the suction hose 33.
  • the cylindrical ring wall 13 of the screw cap-like base body has at least one air inlet opening 40 below the pump chamber floor 8, that is to say on the side facing the storage chamber 9.
  • three are provided in the exemplary embodiment. These lie in an even angular distribution.
  • a valve seat surface 41 extends on the outside at a distance therefrom. This lies within an annular groove 42 and is inclined as an outer groove flank, ie. H. it rises continuously upwards.
  • the outer bottle-side end edge 43 of the bellows B lies on it under slight prestress. This downward-facing edge zone of the flexible bellows gives way to the correspondingly wide spaced annular space 44 of the annular groove 42 when air is sucked in.
  • the edge is realized as a lip L that is significantly reduced in cross-section and thus more flexible.
  • the annular projection of the lower bellows edge clipped into an annular groove of the collar 15 is thicker in cross-section than the rest of the bellows-shaped bellows body which forms the pump chamber wall.
  • the end fold 45 'of the bellows folds 45 overlying the end edge of the collar 15 lifts off in the basic position according to FIG. 3.
  • this pivoting displacement causes the lower edge of the bellows to tilt, with the consequence of an increased pressing force of the lip L on the valve seat surface 41.
  • the function is as follows: by exerting a force in the direction of arrow P on the actuating surface 16 ⁇ , the volume of the pump chamber 10 is reduced. The dosed output material present in it due to previous actuations passes through the valve opening 29 while lifting the dispensing valve V 2 through the chamber 26 to the dispensing opening 24. The overpressure prevailing in the pump chamber 10 on the other hand causes the pump input valve V 1 to be closed, so that the medium in the hub base / pump chamber cannot be forced back into the reservoir 9 or flows back via the suction hose 33.
  • the bellows B acts as the return spring which always brings about the basic positions.
  • the lip L lifts off its valve seat surface 41, so that the medium removed is compensated for by air entering the storage space 9 via the air inlet opening 40.
  • the resilient contact of the lip also prevents the medium from escaping if the container falls over.

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Closures For Containers (AREA)
  • Reciprocating Pumps (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Medicinal Preparation (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Coating Apparatus (AREA)
EP87108441A 1986-06-21 1987-06-11 Distributeur Expired - Lifetime EP0250965B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87108441T ATE55968T1 (de) 1986-06-21 1987-06-11 Spender.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3620897 1986-06-21
DE19863620897 DE3620897A1 (de) 1986-06-21 1986-06-21 Spender

Publications (2)

Publication Number Publication Date
EP0250965A1 true EP0250965A1 (fr) 1988-01-07
EP0250965B1 EP0250965B1 (fr) 1990-08-29

Family

ID=6303461

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87108441A Expired - Lifetime EP0250965B1 (fr) 1986-06-21 1987-06-11 Distributeur

Country Status (10)

Country Link
EP (1) EP0250965B1 (fr)
JP (1) JPS6312461A (fr)
KR (1) KR890000160A (fr)
CN (1) CN1007419B (fr)
AT (1) ATE55968T1 (fr)
BR (1) BR8703087A (fr)
DE (2) DE3620897A1 (fr)
ES (1) ES2017673B3 (fr)
PT (1) PT85101B (fr)
ZA (1) ZA874438B (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3914518A1 (de) * 1989-05-02 1991-01-24 Coster Tecnologie Speciali Spa Vorrichtung zum dosierten austrag eines fliessfaehigen mediums, insbesondere einer pastoesen masse
WO1991003321A1 (fr) * 1989-08-29 1991-03-21 Megaplast Dosiersysteme Gmbh & Co. Pompe de dosage
WO2001041611A1 (fr) * 1999-12-07 2001-06-14 Advanex Inc. Unite de soupape et contenant
WO2022029374A1 (fr) * 2020-08-06 2022-02-10 Cep Assemblage etanche d'une membrane souple de pompage et d'un embout rigide d'une pompe d'un systeme de distribution sans air d'un produit liquide ou pateux
EP4331729A1 (fr) * 2022-08-31 2024-03-06 Aptar Villingen GmbH Module de pompe, tête de décharge et distributeur de fluide
EP3903946B1 (fr) * 2020-04-29 2024-08-14 Yonwoo Co., Ltd. Élément élastique et ensemble pompe le comprenant

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4108646A1 (de) * 1991-03-16 1992-09-17 Pfeiffer Erich Gmbh & Co Kg Austragvorrichtung fuer medien
US5152435A (en) * 1991-06-13 1992-10-06 Ben Zane Cohen Ophthalmic dispensing pump
JP2563083Y2 (ja) * 1992-02-07 1998-02-18 東洋製罐株式会社 吐出量可変ポンプ
US5673824A (en) * 1995-05-31 1997-10-07 Taplast Srl Plastic dosing pump for dispensing liquids from containers
US6729500B1 (en) * 2003-05-27 2004-05-04 Saint-Gobain Calmar, Inc. Twirling dip tube
US6840408B1 (en) * 2003-08-25 2005-01-11 Continental Afa Dispensing Company Air foam pump with shifting air piston
CN103029914A (zh) * 2012-10-18 2013-04-10 黄志勇 可变角度的瓶口解决沐浴液滞留装置
CN105083730B (zh) * 2015-06-26 2017-07-14 钟竞铮 弹性囊泡沫泵
CN105880074A (zh) * 2016-06-02 2016-08-24 德晋（香港）控股有限公司 定量按压喷头及具有定量按压喷头的容器
EP3427839B1 (fr) 2017-07-13 2020-12-02 Aptar Radolfzell GmbH Distributeur de liquide ayant une bouteille ventilée et une tête de distribution associée
CN113016693A (zh) * 2018-10-26 2021-06-25 刘庆连 一种水产品售卖箱及使用方法
CN109677774B (zh) * 2019-01-13 2023-09-26 中山市华宝勒生活用品有限公司 一种具有打气出液的容器
EP4272872A1 (fr) * 2022-05-03 2023-11-08 Aptar Radolfzell GmbH Tête de distribution pour liquides pharmaceutiques ou cosmétiques

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1302037A (fr) * 1961-08-02 1962-08-24 Transvaseur de liquides comportant une pompe aspirante et refoulante actionnée manuellement
FR2165571A5 (fr) * 1971-12-16 1973-08-03 Pfeiffer Kuwststofftechn
FR2209097A2 (fr) * 1972-12-05 1974-06-28 Seris Max
EP0171462A2 (fr) * 1984-08-14 1986-02-19 Ing. Erich Pfeiffer GmbH & Co. KG Dispensateur pour matériau coulant

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1302037A (fr) * 1961-08-02 1962-08-24 Transvaseur de liquides comportant une pompe aspirante et refoulante actionnée manuellement
FR2165571A5 (fr) * 1971-12-16 1973-08-03 Pfeiffer Kuwststofftechn
FR2209097A2 (fr) * 1972-12-05 1974-06-28 Seris Max
EP0171462A2 (fr) * 1984-08-14 1986-02-19 Ing. Erich Pfeiffer GmbH & Co. KG Dispensateur pour matériau coulant

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3914518A1 (de) * 1989-05-02 1991-01-24 Coster Tecnologie Speciali Spa Vorrichtung zum dosierten austrag eines fliessfaehigen mediums, insbesondere einer pastoesen masse
WO1991003321A1 (fr) * 1989-08-29 1991-03-21 Megaplast Dosiersysteme Gmbh & Co. Pompe de dosage
WO2001041611A1 (fr) * 1999-12-07 2001-06-14 Advanex Inc. Unite de soupape et contenant
EP3903946B1 (fr) * 2020-04-29 2024-08-14 Yonwoo Co., Ltd. Élément élastique et ensemble pompe le comprenant
WO2022029374A1 (fr) * 2020-08-06 2022-02-10 Cep Assemblage etanche d'une membrane souple de pompage et d'un embout rigide d'une pompe d'un systeme de distribution sans air d'un produit liquide ou pateux
FR3113253A1 (fr) * 2020-08-06 2022-02-11 Cep Assemblage d’une membrane souple de pompage et d’un embout rigide d’une pompe d’un systeme de distribution sans air d’un produit liquide ou pateux
EP4331729A1 (fr) * 2022-08-31 2024-03-06 Aptar Villingen GmbH Module de pompe, tête de décharge et distributeur de fluide
WO2024047069A1 (fr) * 2022-08-31 2024-03-07 Aptar Villingen Gmbh Module de pompe, tête de décharge et distributeur de fluide

Also Published As

Publication number Publication date
EP0250965B1 (fr) 1990-08-29
KR890000160A (ko) 1989-03-13
DE3764547D1 (de) 1990-10-04
BR8703087A (pt) 1988-03-08
JPS6312461A (ja) 1988-01-19
ZA874438B (en) 1987-12-21
DE3620897A1 (de) 1987-12-23
PT85101B (pt) 1993-05-31
ES2017673B3 (es) 1991-03-01
PT85101A (pt) 1988-07-01
CN87104268A (zh) 1987-12-30
ATE55968T1 (de) 1990-09-15
CN1007419B (zh) 1990-04-04

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