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EP0284907B1 - Distributeur de produits visqueux - Google Patents

Distributeur de produits visqueux Download PDF

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Publication number
EP0284907B1
EP0284907B1 EP88104239A EP88104239A EP0284907B1 EP 0284907 B1 EP0284907 B1 EP 0284907B1 EP 88104239 A EP88104239 A EP 88104239A EP 88104239 A EP88104239 A EP 88104239A EP 0284907 B1 EP0284907 B1 EP 0284907B1
Authority
EP
European Patent Office
Prior art keywords
delivery
paste dispenser
end wall
dispenser according
flat springs
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
EP88104239A
Other languages
German (de)
English (en)
Other versions
EP0284907A1 (fr
Inventor
Raimund Andris
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.)
Raimund Andris GmbH and Co KG
Original Assignee
Raimund Andris GmbH and Co KG
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 Raimund Andris GmbH and Co KG filed Critical Raimund Andris GmbH and Co KG
Priority to AT88104239T priority Critical patent/ATE77330T1/de
Publication of EP0284907A1 publication Critical patent/EP0284907A1/fr
Application granted granted Critical
Publication of EP0284907B1 publication Critical patent/EP0284907B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/76—Containers or packages with special means for dispensing contents for dispensing fluent contents by means of a piston
    • B65D83/763—Containers or packages with special means for dispensing contents for dispensing fluent contents by means of a piston the piston being actuated by a reciprocating axial motion of a shaft which engages the piston, e.g. using a ratchet mechanism

Definitions

  • the invention relates to a paste dispenser for dispensing metered amounts of pasty substances, such as toothpaste or the like, consisting of an essentially cylindrical container (1) made of plastic with a delivery piston (4) which is axially movably mounted in the container (1) and which can be operated by means of a Manually operable pushbutton (14/3) provided with a resilient return element can be moved against this housing end wall (9) via a coupling end (9) designed as a push rod (5) and projecting through the delivery piston (4), whereby An outlet opening (20) is arranged in a tube-like nozzle stock (18/3) projecting above the container end wall (9) and can be closed by a closing wall (21/3) which can be actuated by the pushbutton (14/3).
  • the actuator is provided with two bearing pins which are rotatably mounted in two upright wall elements.
  • the actuator can be pivoted like a lever about the axis of the bearing pins.
  • the wall elements, together with a tubular dispensing spout, form the head part of a cylindrical receptacle.
  • the actuator has a closing flap which closes the opening of the dispensing spout in the idle state.
  • a return spring is integrally formed on the underside of the actuating member on the opposite side of the closing flap. This return spring is supported on a housing end wall of the receptacle, so that the dispensing spout is securely closed by the closing flap in the idle state.
  • the actuating element On the closing flap side, the actuating element is provided with a flexible connecting element which is arranged between the pivot axis and the closing flap and connects the actuating element to a coupling element.
  • the coupling member is designed as a lifting rod, which corresponds approximately in length to the length of the receiving container and projects through a delivery piston which can be displaced in the axial direction of the receiving container in the receiving container.
  • the delivery piston is connected to the coupling member by a directional lock and follows the movement of the coupling member in the direction of discharge.
  • the return spring presses the actuator into its initial position.
  • the coupling element is simultaneously pushed down through the stationary delivery piston via the connecting element.
  • the dispensing spout Since the delivery stroke of the delivery piston commences with the opening movement of the closing flap when the actuating member is actuated, the dispensing spout is almost completely closed by the closing flap at the start of delivery. This leads to an uncontrolled paste leakage from the dispensing spout at the start of funding. Furthermore, during the closing process, the closing flap moves essentially vertically onto the opening of the dispensing spout, so that paste residues located in the opening area are squeezed out laterally. As a result, the end area of the dispensing nozzle must be cleaned regularly after use.
  • the operating device In a known paste dispenser (DE-OS 31 04 726), the operating device consists of a lever which is integrally connected to a closure part which closes a dispensing opening. This operating device is pivotally mounted in a head part, a return spring being arranged between the lever and the head part.
  • the head part is plugged onto a paste container, the paste container being provided with a neck piece for receiving the head part, which has a shoulder projecting outwards.
  • An axially displaceable delivery piston is arranged in the essentially cylindrical paste container and is connected via a directional lock to a push rod which projects through the delivery piston.
  • the push rod is connected to the lever via an articulated connection and is pulled upwards when the lever is actuated, taking the delivery piston with it.
  • the closure part opens the discharge opening in a slide-like manner.
  • the rod moves downwards through the delivery piston, which is slightly jammed in the paste container.
  • the delivery plunger is pulled up a certain stroke length to deliver a certain amount of paste through the dispensing opening.
  • the above-mentioned dispensing opening is part of a dispensing channel which runs with its lower end parallel to the rod and opens into the neck piece.
  • the upper end of the output channel is angled by 90 ° and runs radially to the Paste container, the end piece of which forms the dispensing opening.
  • the delivery plunger has ventilation flaps that are required for the paste container to be filled properly.
  • the paste container can be closed by means of a base plate.
  • this paste dispenser Apart from a removable protective cap, this paste dispenser consists of a total of eight individual parts, the relatively complicated design requiring a high level of assembly effort. The fact that when the pushbutton is pressed simultaneously the delivery stroke of the delivery piston and the opening of the delivery opening through the closure part begin, the delivery opening is still almost completely closed at the start of delivery. This creates an excess pressure in the paste container, which leads to an uncontrolled paste leakage. If the button is pressed strongly, this can lead to elastic deformation of the closure part.
  • a dispensing spout is designed as a tubular body, the lower section of which is provided with an internal thread and is screwed onto a tubular hollow hub of a displacement piston, while its upper section is inclined at an angle of 30 ° to Container axis runs.
  • the dispensing opening can be closed or closed by a closing wall movable transversely to its axis, which is an integral part of a rocker-type actuating lever.
  • This actuating lever is pivotally supported by lateral tongue-shaped sections on the bearing spigot of the dispensing spout and, moreover, is arranged in such a way that these tongues are supported on transverse shoulders of the housing when the key is pivoted about the axis of the bearing spigot in the sense of an opening movement.
  • This support simultaneously causes an axial displacement of both the dispensing spout and the displacement piston during the opening movement.
  • a metal helical compression spring is arranged between the lower end face of the tubular body forming the dispensing spout and an annular support surface of the container end wall.
  • This paste dispenser consists of a total of seven individual parts without a protective cap and base plate.
  • a dosed delivery of the medium in the container is only guaranteed with certainty if there are no air cushions or air bubbles in the storage space of the container, because air is known to be compressible.
  • the Resetting the displacement piston is sucked air into the paste dispenser via the dispensing spout, since the closing wall closes the dispensing opening completely and almost airtight only after it has been completely returned to the rest position.
  • paste dispensers of the generic type are manufactured in very large quantities as mass and disposable items and should therefore be able to be produced with as little effort as possible both in terms of the amount of material required, each additional individual part entails additional tool costs and assembly costs, thus making the production more expensive.
  • the invention has for its object to provide a one-handed paste dispenser of the type mentioned, in which it is achieved with simple means that when pressed, the dispensing opening is at least partially released before paste is conveyed by the feed piston, the paste dispenser being off as few individual parts as possible should be producible with the least possible effort in material, tool and assembly costs.
  • the object is achieved in that the for resetting the push button (14/3) serving resilient resetting member (66, 67, 68) is integrally formed on the coupling member (5) and that when the push button (14/3) is actuated manually, the coupling member (5) acts partially as a rocker arm Return element (66, 67, 68) is actuated with a delay and causes a delivery stroke of the delivery piston (4) after the discharge opening (20) is at least partially released from the closing wall (21/3).
  • the embodiment of the invention according to claims 4 and 7 ensures that the coupling member, which is connected to the delivery piston via a directional lock, is raised in a delayed manner when the pushbutton is actuated, so that the pushbutton designed according to claim 8 with its closing wall begins before the actual delivery stroke begins , the output opening of the nozzle assembly designed according to claims 8 and 9 at least half. This ensures that pressure cannot build up in the paste dispenser in an uncontrolled manner, and that the paste dispenser contents remain uncontrolled closed squeezed.
  • the configuration of the invention according to claim 10 provides the means by which it is possible in the simplest possible way to produce two or more differently colored paste strips in the paste strand emerging from the dispensing opening.
  • the paste dispenser has a cylindrical container 1, which is provided with an enlarged base edge 2.
  • the bottom of the container can be open or closed by a bottom that does not close tightly. Functionally, such a floor is irrelevant.
  • a piston 4 which rests around the inside of the container wall 3, is arranged so that it can move.
  • This piston 4 is actuated by a toothed push rod 5 (toothing not shown in the drawing) which projects through a central piston hub 6 and interacts with it by a directional lock 88 'in such a way that when the push rod moves upwards in the direction of arrow 7, the piston 4 follows is promoted above, while a subsequent downward movement of the push rod 5 takes place with the piston 4 at a standstill.
  • the push rod 5 is axially movably guided in a central guide hub 8 of a container end wall 9 and the downward movement of the push rod 5 is limited by an annular flange 10 seated on the upper side of the container end wall 9.
  • a tubular nozzle assembly 18/3 with its radially outward discharge opening 20 is fixedly attached to the container end wall 9, while the opening and closing of this discharge opening 20 is effected by an axially movable closing wall 21/3.
  • the nozzle assembly 18/3 is arranged eccentrically to the container axis 52.
  • the nozzle assembly 18/3 is integrally formed on the container end wall 9 of the container 1 and is provided with a closing wall 21/3, which is an integral part of an essentially cylindrical sleeve 53 which is in the end face of the container end wall 9 projecting collar 54 is axially movable between the container end wall 9 and an inwardly projecting collar 55.
  • the closing wall 21/3 forms the one side wall of a pyramid-like attachment 56 of the end wall 57, the outer surface of which is also the actuating surface, so that the entire sleeve 53 in this case represents the pushbutton 14/3. So that the sleeve 53 can no longer be detached from the collar 54, it is provided with a locking ring 58 which engages under the annular collar 55.
  • the lower oblique legs 74 and 75 of the band compression springs 66 and 67 which run from the outside inwards, are each formed by rigid stiffening ribs 76 and 77 as rigid double levers, each of which rests on a vertical bearing rib 78 or 79 of the container end wall 9 in the manner of a rocker, and by thinner, flexible bends Connecting sections 80 and 81 are connected to the push rod 5.
  • the inside of the container end wall 9 is provided with two guide ribs 83 and 84 leading from the guide hub 8 to the channel 29/1 of the nozzle assembly 18/3 provided (Fig. 3), which continue in the guide ribs 30/1 through the channel 29/1 to the dispensing opening 20.
  • the guide ribs 85 and 86 are not absolutely necessary. To form stripes, it is sufficient if the guide ribs 83 and 84 are present in combination with the guide ribs 30/1 and 30/2. However, the guide ribs 83 and 84 could also be replaced by a transverse rib extending between the guide ribs 30/1, which prevents the differently colored second paste from penetrating into the area 29 between the guide ribs 30/1 into the channel 29/1.
  • the advantage of the configuration of the paste dispenser according to the invention is not only that only five parts are required by the solution principle, but that the individual parts are in a very simple manner, i.e. Can be assembled functionally with very low assembly costs, i.e. they can be assembled.
  • the paste dispenser according to the invention also has the advantage that a delivery plunger can be actuated with the actuating button at the same time by means of a push rod, the upward movement of the push rod taking place with a delay and only starting when the radially outward-opening dispensing opening of the nozzle assembly by means of the together with the push button closing wall moved below is at least partially open. This avoids overpressures that could lead to uncontrolled paste leakage from the dispensing opening.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Coating Apparatus (AREA)
  • Closures For Containers (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Claims (10)

  1. Distributeur de produits visqueux pour délivrer des quantités dosées de substances pâteuses, telles que dentifrice, ou autres, composé d'un récipient (1) en matière plastique, essentiellement cylindrique, dans lequel est logé un piston d'alimentation (4), mobile dans le sens axial et qui peut être déplacé, à l'aide d'un bouton-poussoir (14/3) à commande manuelle muni d'un organe de rappel élastique, et par l'intermédiaire d'un organe d'accouplement (5), réalisé sous forme de tige (5) et pénétrant au travers d'une paroi frontale (9) du récipient et du piston d'alimentation (4), contre la paroi frontale (9) précitée, un orifice de distribution (20), qui peut être fermé par une paroi de fermeture (21/3) actionnée par le bouton-poussoir (14/3), étant disposé dans une buse tubulaire (18/3), qui dépasse la paroi frontale (9) du récipient, caractérisé en ce que l'organe de rappel élastique (66, 67, 68), servant au retour du boutonpoussoir (14/3), est formé d'une seule pièce sur l'organe d'accouplement (5), et en ce que, lors d'une commande manuelle du bouton-poussoir (14/3), l'organe d'accouplement (5) est actionné avec retard, par l'organe de rappel (66, 67, 68) agissant en partie comme un levier oscillant, et provoque une course du piston d'alimentation (4) après l'ouverture, partielle du moins, de l'orifice de distribution (20) par la paroi de fermeture (21/3).
  2. Distributeur de produits visqueux suivant la revendication 1, caractérisé en ce que l'organe de rappel se compose de trois ressorts à ruban en zigzag (66, 67, 68).
  3. Distributeur de produits visqueux suivant la revendication 2, caractérisé en ce que deux ressorts à ruban (66, 67) sont diamétralement opposés par rapport à un axe (52), et sont formés d'une seule pièce sur l'organe d'accouplement (5), par l'intermédiaire d'éléments de jonction flexibles (80, 81).
  4. Distributeur de produits visqueux suivant l'une des revendications 2 et 3, caractérisé en ce que les sections cintrées externes des ressorts à ruban (66, 67) sont munies de nervures d'appui (69, 70, 71, 72, 73, 73'), pour limiter la course des ressorts, les sections inférieures des ressorts à ruban (66, 67) étant réalisées sous forme de bras de levier (74, 75) rigides en flexion, qui s'appliquent sur des nervures d'appui axiales (78, 79) de la paroi frontale (9) du récipient, à la manière de bascules.
  5. Distributeur de produits visqueux suivant la renvendication 1, caractérisé en te qu'un troisième ressort à ruban (68) également en zigzag, provoquant le retour du boutonpoussoir (14/3) dans sa position de repos, est disposé, en qualité de ressort de rappel supplémentaire, entre les deux ressorts à ruban (66, 67) de flexibilité limitée, la course élastique de te ressort étant supérieure à la course limitée des deux autres ressorts à ruban prévus (66, 67).
  6. Distributeur de produits visqueux suivant l'une' quelconque des revendications 1 à 5, caractérisé en ce que le troisième ressort de rappel (68) est assemblé avec les deux ressorts à ruban (66, 67), de flexibilité limitée, par l'intermédiaire d'un profil transversal (65), reliant les extrémités des ressorts (66, 67), et constitue avec l'organe d'accouplement (5), le profit transversal (65), et les deux ressorts à ruban (66, 67) limités dans leur flexion, une unité réalisée par injection.
  7. Distributeur de produits visqueux suivant l'une quelconque des revendications 1 à 6, caractérisé en te que la somme des distantes entre les différentes nervures d'appui (69/70/71 et/ou 72/73/73') correspond à peu près à la moitié de la hauteur du débouché (h) de l'orifice de distribution (20).
  8. Distributeur de produits visqueux suivant la revendication 1, caractérisé en ce que la buse (18/3) est formée d'une seule pièce sur la paroi frontale (9) du récipient, et en ce que la paroi de fermeture (21/3) est guidée sur la buse (18/3), dans le sens axial par rapport à cette dernière, et est reliée directement à une paroi frontale (57) du bouton-poussoir (14/3), formant la surface d'actionnement.
  9. Distributeur de produits visqueux suivant l'une des revendications 1 et 8, caractérisé en ce que la buse (18/3) présente une surface externe plane, ou faiblement bombée, sur le côté de la paroi de fermeture (21/3).
  10. Distributeur de produits visqueux suivant la revendication 1, caractérisé en ce que la surface interne de la paroi frontale (9) du récipient a une allure conique ascendante en direction de la buse (18/3), et est munie de nervures directrices (83, 84, 85, 86), qui convergent dans le conduit (29/1) de la buse, et se prolongent en formant d'étroits canaux pour les raies, dans le conduit précité (29/1).
EP88104239A 1987-03-30 1988-03-17 Distributeur de produits visqueux Expired - Lifetime EP0284907B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88104239T ATE77330T1 (de) 1987-03-30 1988-03-17 Pastenspender.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873710496 DE3710496A1 (de) 1987-03-30 1987-03-30 Pastenspender
DE3710496 1987-03-30

Publications (2)

Publication Number Publication Date
EP0284907A1 EP0284907A1 (fr) 1988-10-05
EP0284907B1 true EP0284907B1 (fr) 1992-06-17

Family

ID=6324351

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88104239A Expired - Lifetime EP0284907B1 (fr) 1987-03-30 1988-03-17 Distributeur de produits visqueux

Country Status (5)

Country Link
US (1) US4886186A (fr)
EP (1) EP0284907B1 (fr)
JP (1) JPS63258765A (fr)
AT (1) ATE77330T1 (fr)
DE (1) DE3710496A1 (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01503334A (ja) * 1987-05-20 1989-11-09 コルゲート‐パーモリブ・カンパニー ペースト状生成物のディスペンサー
DE3803229A1 (de) * 1988-02-04 1989-08-17 Alfred Von Schuckmann Spender zur portionierten ausgabe pastoeser massen
FR2635473B1 (fr) * 1988-08-19 1990-11-16 Oreal Dispositif pour distribuer des doses d'un produit pateux
FR2651485A1 (fr) * 1989-09-05 1991-03-08 Lir France Sa Dispositif pour le conditionnement et la distribution de deux produits pateux ou de consistance analogue.
DE4141826A1 (de) * 1991-12-18 1993-06-24 Friedhelm Schneider Entleerungsvorrichtung fuer kartuschen und behaelter mit hochviskosem inhalt
US5363990A (en) * 1994-02-25 1994-11-15 Owens-Illinois Closure Inc. Dual chambered pump package for viscous products
US6460739B1 (en) * 2001-12-13 2002-10-08 Colgate-Palmolive Company Dispenser
US6824018B1 (en) 2004-04-05 2004-11-30 Christopher Eaddy Child safe cream dispenser
US8297481B2 (en) * 2005-08-01 2012-10-30 Rich Products Corporation Dispensing device
US8561854B2 (en) * 2005-08-01 2013-10-22 Rich Products Corporation Dispensing device for viscous materials
US8540124B2 (en) * 2007-10-11 2013-09-24 Lucas Packaging Group, Inc. Dispensing pen
MX2012002476A (es) 2009-09-16 2012-03-26 Colgate Palmolive Co Sistema, kit y metodo para el cuidado oral.
KR101453632B1 (ko) 2009-12-23 2014-10-22 콜게이트-파아므올리브캄파니 구강 관리 시스템
WO2011078864A1 (fr) 2009-12-23 2011-06-30 Colgate-Palmolive Company Système de soins buccaux
PH12012500882A1 (en) 2009-12-23 2013-01-07 Colgate Palmolive Co Oral care system, kit and method
EP2515699B1 (fr) 2009-12-23 2014-08-06 Colgate-Palmolive Company Système d'hygiène bucco-dentaire
CA2821055A1 (fr) 2010-12-15 2012-06-21 Colgate-Palmolive Company Distributeur de soins d'hygiene buccale
US8901067B1 (en) 2012-08-20 2014-12-02 II Keith G. Buford Fragrance composition
US10426251B2 (en) 2015-02-02 2019-10-01 Colgate-Palmolive Company Oral care system and oral care material dispenser
CN116174086B (zh) * 2023-03-31 2024-08-02 新印新材料有限公司 一种原料混炼、粉碎、分装处理于一体的加工设备

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2789731A (en) * 1955-06-06 1957-04-23 Leonard L Marraffino Striping dispenser
US3879025A (en) * 1973-11-06 1975-04-22 Us Army Flat element spring
FR2497178A1 (fr) * 1980-12-29 1982-07-02 Valois Sa Distributeur de doses de produits pateux
DE3104726A1 (de) * 1981-02-11 1982-08-12 Vereinigte Deutsche Metallwerke Ag, 6000 Frankfurt Verpackungsbehaelter fuer dickfluessige und pastoese fuellgueter
US4691847A (en) * 1983-12-27 1987-09-08 Realex Corporation Pasty product dispenser having combination actuator and outlet valve
JPH0829790B2 (ja) * 1984-03-14 1996-03-27 カルマー・インコーポレーテッド 外部に配置され、分配された生産物を切断する空動き動作を行う出口バルブを有する粘性生産物のディスペンサー
DE3512650A1 (de) * 1985-04-06 1986-10-16 Alfred Von 4178 Kevelaer Schuckmann Spender

Also Published As

Publication number Publication date
ATE77330T1 (de) 1992-07-15
DE3710496A1 (de) 1988-10-13
US4886186A (en) 1989-12-12
JPS63258765A (ja) 1988-10-26
EP0284907A1 (fr) 1988-10-05

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