EP0250965B1 - Distributeur - Google Patents

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Publication number
EP0250965B1
EP0250965B1 EP87108441A EP87108441A EP0250965B1 EP 0250965 B1 EP0250965 B1 EP 0250965B1 EP 87108441 A EP87108441 A EP 87108441A EP 87108441 A EP87108441 A EP 87108441A EP 0250965 B1 EP0250965 B1 EP 0250965B1
Authority
EP
European Patent Office
Prior art keywords
hub
wall
pump chamber
star
bottle
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
EP87108441A
Other languages
German (de)
English (en)
Other versions
EP0250965A1 (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
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 Megaplast Dosiersysteme GmbH and Co filed Critical Megaplast Dosiersysteme GmbH and Co
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 a dispenser for portioned dispensing of liquid to pasty media, 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 of a bellows and the Passing through the pump chamber, is guided in a fixedly arranged hub of the pump chamber bottom, the hub wall of the closed pump chamber bottom continuing into a pump input valve chamber, directed inward from the bottle.
  • a donor of this type is known from FR-A 1 302 037.
  • the pump room is practically made up of two rooms.
  • the one, centrally located space results from a telescopic tube-like design of the hub and the tubular shaft of an actuating head piece guided therein.
  • the flexible, bellows-shaped pump chamber wall forms the second, ring-shaped space around this central space. This has a larger volume than the central one.
  • Both rooms are in flow communication through relatively narrow openings.
  • the openings lie in the end regions of the tubes facing away from one another, that is to say the hub and the tubular shaft. This leads to an extremely power-consuming transfer of the medium.
  • the competing currents that occur cause a noticeable operating difficulty, especially with pasty mass.
  • the resetting of the bellows which also has the function of a return spring, is also delayed. Both tubes are freely inserted into each other. Overstretching the bellows can lead to the telescopic connection being broken.
  • the object of the invention is to develop the dispenser specified in the genus in a technically simple, advantageous manner in such a way that, in addition to a more streamlined media throughput, a configuration which considerably facilitates handling is achieved.
  • the medium passes through the pump zone practically linearly. Power consuming rearrangements, as they occur in the prior art, are eliminated.
  • the entire shaft-forming section of the actuating head piece is constantly open to the surrounding, enclosed space by the pump chamber wall.
  • the correspondingly baffled implementation is based on the use of the simplest means without any additional components. Specifically, the procedure is such that the actuating head piece is star-shaped on its length leading in the hub and the narrow edge of at least one star rib engages behind a stop bead on the upper edge of the hub. Not only the flow conditions prove to be more favorable; Rather, again using existing components, a functional limit stop is created in the form of the mentioned stop bead.
  • the lower opening located in the larger base region of the bellows is so large that the ring collar there, which serves as a connecting and stabilizing element, corresponds approximately in diameter to the frustoconical tip plane of the mandrel.
  • the mold core ribs which are thus gradually reduced, no longer burden the next bellows fold that follows in the pull-off direction. This has the advantage that the bellows can be removed from the injection mold in the shortest possible cycle times without the risk of post-deformation.
  • 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 taper towards the bottle-side end, ie their 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 be formed by a clipped-in wall which carries the spring of the dispensing valve on its underside. This results in a multiple function: formation of the pressure surface, cover of the spring chamber there, support of the output valve spring. A separate spring always has the disadvantage that it is inadvertently not incorporated into the pump unit during assembly.
  • 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 in the side wall of the dispensing device on the inside of the pump chamber bottom, in front of which a valve seat surface extends at a distance on the outside. on which the bottle-side front edge of the bellows is placed as a cantilevered lip that escapes into the spacing ring space when air is sucked in.
  • 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 above 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. A narrow annular space 12 remains between said indentation 11 and the outer surface of the hub N. From the base of the indentation, the hub extends in both, insofar as it is the zone with the same clear cross section 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, namely in the direction of the neck-front edge 2 ', in order to pass from there into the cylindrical cap wall 6 with the formation of 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 a stop bead 20 on the inside at the upper edge of the hub N.
  • the stop shoulder 21 on the shaft side, which interacts with the stop bead 20, results from a radial widening of the zone adjacent to the stop bead 20 in the basic position Narrow edge 19 '.
  • all narrow edges 19 ' are equipped with clips.
  • a corresponding rotation lock is useful if, for example taking into account a handle that is molded onto the bottle body, a specific dispensing direction is provided for the dispensing channel 23 of a beak-like mouthpiece that laterally leads away from the actuating headpiece 16. Its mouthpiece opening is designated by 24. It lies outside the maximum cross-section of the bottle and thus permits targeted application of the Content.
  • 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, upwardly tapering cut slots 25 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.
  • valve opening 29 extends into the pump region of the cross-profiled shaft 18.
  • the bore diameter is larger than the thickness of the star ribs 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 upper side is essentially level with 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 connecting 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 is also located 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)
  • Coating Apparatus (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Medicinal Preparation (AREA)

Claims (8)

1. Distributeur destiné à délivrer des quantités dosées de produits dont la consistance va de l'état liquide à l'état pâteux, comportant un dispositif de distribution (1) disposé sur le col (2) d'une bouteille (3) ou d'un récipient similaire, lequel est doté d'une valve (V2) de décharge et d'une pièce (16) formant tête d'actionnement présentant un orifice de distribution latéral (24), laquelle pièce fait saillie dans la zone du sommet de la paroi souple d'espace de pompage d'un soufflet à plis (B) et qui, en traversant l'espace de pompage (10), passe dans une bague (N) fixe située au fond (8) de l'espace de pompage, la paroi de bague du fond (8) de l'espace de pompage qui a une configuration fermée, se prolongeant en direction de l'intérieur de la bouteille par une chambre (5) de valve d'entrée de pompe, caractérisé par le fait que la pièce (16) formant tête d'actionnement est conformée sur sa longueur qui passe dans la bague (N) en forme d'étoile (branches 19 en étoile) et que le bord étroit (19') d'au moins une des branches (19) en étoile s'encliquète derrière un bourrelet de butée situé sur le bord supérieur de la bague (N).
2. Distributeur selon la revendication 1, caractérisé par le fait que la paroi de l'espace de pompage se présente sous la forme d'un soufflet (B) à plis tronconique.
3. Distributeur selon la revendication 1 ou 2, caractérisé par le fait qu'il existe une sécurité qui empêche la rotation entre au moins une des branches (19) en étoile et le bourrelet (20) de butée de la bague (N).
4. Distributeur selon une des revendications 1 à 3, caractérisé par le fait que les branches (20) en étoile se terminent en pointe à leur extrémité située du côté de la bouteille.
5. Distributeur selon une des revendications 1 à 4, caractérisé par le fait que les branches (19) en étoile partent d'une paroi transversale (28) de la pièce (16) formant tête d'actionnement, au-dessus de laquelle s'étend une chambre (26) de valve de sortie de pompe.
6. Distributeur selon la revendication 5, caractérisé par le fait qu'une surface de poussée (16') de la pièce (16) formant tête d'actionnement est formée par une paroi (31) encliquetée qui porte sur son côté inférieur le ressort (30) de la valve de sortie (V2).
7. Distributeur selon une des revendications 1 à 6, caractérisé par le fait que la paroi (37) du fond de la chambre (35) de valve d'entrée de pompe se prolonge par un embout (32) de raccordement de tuyau d'aspiration.
8. Distributeur selon une des revendications 1 à 7, caractérisé par le fait que, du côté du fond (8) de l'espace de pompage orienté vers l'intérieur de la bouteille, est prévu dans la paroi latérale (13) du dispositif distributeur (1) un orifice (40) d'entrée d'air en avant duquel est disposée, en formant un intervalle du côté de l'extérieur, une surface (41) de siège de valve sur laquelle s'appuie le bord frontal (43), orienté du côté de la bouteille, du soufflet (B) à plis, sous la forme d'une lèvre (L) qui dépasse librement et qui se prête dans l'espace annulaire (44) formant l'intervalle lorsque de l'air est aspiré.
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
DE19863620897 DE3620897A1 (de) 1986-06-21 1986-06-21 Spender
DE3620897 1986-06-21

Publications (2)

Publication Number Publication Date
EP0250965A1 EP0250965A1 (fr) 1988-01-07
EP0250965B1 true 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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4272872A1 (fr) * 2022-05-03 2023-11-08 Aptar Radolfzell GmbH Tête de distribution pour liquides pharmaceutiques ou cosmétiques

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3914518C2 (de) * 1989-05-02 1993-09-30 Coster Tecnologie Speciali Spa Vorrichtung zum dosierten Austrag eines fließfähigen Mediums, insbesondere einer pastösen Masse
DE3928521A1 (de) * 1989-08-29 1991-03-14 Megaplast Dosiersysteme Dosierpumpe
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
AU5572700A (en) * 1999-12-07 2001-06-18 Advanex Inc. Valve unit and container
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
KR102186042B1 (ko) * 2020-04-29 2020-12-03 (주)연우 탄성 부재 및 이를 포함하는 펌프 조립체
FR3113253B1 (fr) * 2020-08-06 2023-05-05 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

Family Cites Families (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
ES409434A1 (es) * 1971-12-16 1976-01-01 Pfeiffer Kunststofftech Gmbh Perfeccionamientos en los dispositivos para emitir liquidoso productos pastosos o cremosos.
FR2209097A2 (fr) * 1972-12-05 1974-06-28 Seris Max
DE3429835A1 (de) * 1984-08-14 1986-02-20 Ing. Erich Pfeiffer GmbH & Co KG, 7760 Radolfzell Fliessgutspender

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4272872A1 (fr) * 2022-05-03 2023-11-08 Aptar Radolfzell GmbH Tête de distribution pour liquides pharmaceutiques ou cosmétiques
WO2023213455A1 (fr) * 2022-05-03 2023-11-09 Aptar Radolfzell Gmbh Tête de distribution pour liquides pharmaceutiques ou cosmétiques

Also Published As

Publication number Publication date
JPS6312461A (ja) 1988-01-19
ATE55968T1 (de) 1990-09-15
CN1007419B (zh) 1990-04-04
DE3620897A1 (de) 1987-12-23
DE3764547D1 (de) 1990-10-04
EP0250965A1 (fr) 1988-01-07
BR8703087A (pt) 1988-03-08
ZA874438B (en) 1987-12-21
PT85101B (pt) 1993-05-31
CN87104268A (zh) 1987-12-30
ES2017673B3 (es) 1991-03-01
KR890000160A (ko) 1989-03-13
PT85101A (pt) 1988-07-01

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