EP0230252B2 - Distributeur pour produits pâteux - Google Patents

Distributeur pour produits pâteux Download PDF

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Publication number
EP0230252B2
EP0230252B2 EP87100326A EP87100326A EP0230252B2 EP 0230252 B2 EP0230252 B2 EP 0230252B2 EP 87100326 A EP87100326 A EP 87100326A EP 87100326 A EP87100326 A EP 87100326A EP 0230252 B2 EP0230252 B2 EP 0230252B2
Authority
EP
European Patent Office
Prior art keywords
container
piston
dispenser according
dispenser
sleeve
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
EP87100326A
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German (de)
English (en)
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EP0230252B1 (fr
EP0230252A2 (fr
EP0230252A3 (en
Inventor
Joachim Czech
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Individual
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Individual
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Application filed by Individual filed Critical Individual
Priority to AT87100326T priority Critical patent/ATE82927T1/de
Publication of EP0230252A2 publication Critical patent/EP0230252A2/fr
Publication of EP0230252A3 publication Critical patent/EP0230252A3/de
Publication of EP0230252B1 publication Critical patent/EP0230252B1/fr
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Publication of EP0230252B2 publication Critical patent/EP0230252B2/fr
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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
    • 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
    • B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
    • B05B11/028—Pistons separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container
    • 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
    • B05B11/1001—Piston pumps
    • 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
    • B05B11/1073—Springs
    • B05B11/1074—Springs located outside pump chambers
    • 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
    • B05B11/0005—Components or details
    • B05B11/0062—Outlet valves actuated by the pressure of the fluid to be sprayed
    • B05B11/007—Outlet valves actuated by the pressure of the fluid to be sprayed being opened by deformation of a sealing element made of resiliently deformable material, e.g. flaps, skirts, duck-bill valves
    • 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
    • B05B11/1066—Pump inlet valves
    • B05B11/1067—Pump inlet valves actuated by pressure
    • B05B11/1069—Pump inlet valves actuated by pressure the valve being made of a resiliently deformable material or being urged in a closed position by a spring

Definitions

  • the invention relates to a dispenser for pasty products according to the preamble of claim 1.
  • dispensers are known as outpatient storage containers in a variety of applications, e.g. for personal care, in medicine for the application of medication or also in the provision of pasty food in the trade.
  • Such a dispenser is known, for example, from EP-A 0 084 638.
  • the product is provided by an output channel of the delivery piston which can be closed by means of a non-return valve, the delivery piston forming the upper end of the container space which receives the product supply and is closed at the bottom by a follow-up piston.
  • a dispenser for liquid or pasty products in which a head part is inserted into an upper container opening, with a lower valve wall for delimiting a pump chamber in which a delivery piston is slidably received, the piston being held by a Tension spring arranged concentrically to a piston bearing is biased into an upper setting and the pump chamber has a side opening on the bottom side with a flap valve which leads to an output channel formed laterally to the delivery piston arrangement.
  • a dispenser has a relatively complicated structure and therefore cannot be produced in the desired, inexpensive manner.
  • a dispenser of the type mentioned is known from JP-U-51-10134 (A2).
  • a dispenser is limited to compressible containers and is not convenient to use in the desired manner.
  • the return spring arranged in the pump chamber also allows only a slight utilization of the pump chamber volume.
  • a dispenser device which can be screwed onto a tube and has a return spring which is arranged outside the pump chamber and which, arranged between two walls, is supported against a radial projection of the delivery piston is known from JP-U-56-107341.
  • the invention has for its object to improve a dispenser of the type mentioned in such a way that with a relatively simple structure and little assembly effort, a precise and reliable portioned dispensing of the product is made possible with easy handling of the dispenser.
  • the actuation cap combines in an integral design the functions of conveying the pasty product from the container, guiding the product through an output channel to the outside as well as actuating the conveying device and closes the container on the upper side completely tightly to the outside.
  • the hollow cylinder part determines the available pumping chamber and thus essentially the delivery volume per delivery stroke of the delivery piston, acts as a sliding guide for the actuating cap, allows the support of a reset device for the actuating cap and can also have a seat for a closure cap in its connection area with the dispenser container form the donor. It is also advantageously possible to design the cylinder part, at least partially, in one piece with the container, so that the assembly effort in the manufacture of the dispenser is further reduced.
  • the check valve in the end face of the delivery piston in a further embodiment it can be designed in a simple manner in a cup shape and can be accommodated by a snap-in connection on the tube section of the actuating cap.
  • the delivery piston can also be integrally formed in one piece on the relevant part of the pipe section of the actuating cap.
  • the design of the hollow cylinder part according to the invention meets all requirements both on the sliding guide of the delivery piston and on the mounting of the actuating cap and the return spring.
  • a preferably integral design of the outer sleeve as an attachment of the container for sliding guidance and latching of the actuating cap allows both a simple inclusion of the return spring returning the actuating cap to its initial position and also supports the desired reduction in the number of individual parts required for the dispenser.
  • further preferred designs for the formation of the pump chamber on the one hand and for the mechanical mounting of the actuating cap on the other hand are specified.
  • Figure 1 shows in a first embodiment of the invention, the main components of a dispenser 1 for pasty products, such as toothpaste, these main components being a cylindrical container 2, an adjoining head piece 3, a closure cap 4 closing the dispenser and a slidable in the container Trailing pistons 5 are.
  • the head piece 3 in turn consists of the hollow cylinder part 6 and the actuating cap 7.
  • the individual parts of the dispenser 1 consist of injection-molded plastic, preferably of polyethylene or polypropylene, so that the dispenser 1 is light on the one hand and on the other hand an influence on the container 2 of the dispenser 1 filled pasty mass through the material of donor 1 is omitted.
  • the hollow cylinder part 6 of the head piece 3 is set back radially inwards relative to a container jacket, a seat for the closure cap 4 being formed at the same time, which can be placed flush on the container 2, so that the entire dispenser 1 has a uniform, cylindrical outer contour.
  • FIG. 2 is an enlarged illustration of the head piece 3 according to FIG. 1, including the closure cap 4, and which shows the details of this exemplary embodiment better.
  • the container 2 has a shoulder 8 at its upper end, the circumferential surface of which forms a seat surface for the closure cap 4 with a latching recess 9, which engages with this inner recess 10 when the dispenser 1 is closed in this latching recess 9, so that the closure cap 4 is received in alignment with the container 2 without gaps.
  • the shoulder 8 is delimited by an end wall 11 in which an outlet opening 12 is centrally recessed.
  • an outer sleeve 13 which forms a basic element of the hollow cylinder part 6 which axially attaches to the container 2.
  • the diameter of the outer sleeve 13 is smaller than that of the container 2 in order to provide a sufficient radial receiving space for a sliding guide of the actuating cap 7 and to enable the closure cap 4 to be received in the axial extension of the container 2.
  • an inner sleeve 15 is inserted into the outer sleeve 13, which rests with its bottom surface on the end wall 11.
  • the inner sleeve 15 is provided with an outer, circumferential annular shoulder 15a, which corresponds radially to the width of the annular space and ensures that the inner sleeve 15 is firmly seated in the outer sleeve 13.
  • the inner sleeve 15 has a cup-shaped shape, a closing flap 16 being designed as a valve body in a central base region, which covers the outlet opening 12 of the end wall 11 and forms the valve body of a check valve formed in cooperation with the outlet opening 12.
  • the closing flap 16 While maintaining a material connection with the remaining bottom of the inner sleeve 15, the closing flap 16 is preferably partially circumferentially separated from the bottom material of the inner sleeve 15 and hingedly and articulatedly connected to the remaining bottom part of the inner sleeve 15 via a remaining material web. This connection allows the closing flap 16 to pivot on one side if an internal container pressure in the region of the outlet opening 12 is greater than a pressure prevailing above the closing flap 16.
  • the outer sleeve 13 forms, together with the inner sleeve 15, a guiding and holding device for the actuating cap 7, which at the same time forms the conveying device of the dispenser 1.
  • the actuating cap 7 is generally cup-shaped with a bottom portion 17 and an outer one Ring wall 18 on. Within the interior of the actuating cap 7, which is enveloped by the annular wall 18 and the bottom section 17, the latter has a tube section 19 which in turn consists of two sections, an axially and centrally arranged piston support tube 20 and an obtuse-angled angle adjoining it in the bottom area of the actuating cap 7 Distribution pipe 21 is made. On the piston support tube 20, a delivery piston 22 is received, which for this purpose has a hollow cylinder extension 23 axially extending into the actuating cap 7. The delivery piston 22 is dimensioned in its outer diameter such that it is guided in the inner sleeve 15 in a tightly sliding manner.
  • the outer sleeve 13 has an upper and a lower ring projection 25, 26, which form a sliding guide for the ring wall 18 of the actuating cap 7 on the inside thereof on its peripheral surface. With a lower, inwardly facing annular projection 27 of the actuating cap 7, this is locked to the annular projection 25 of the outer sleeve 13, so that the actuating cap 7 is axially slidably, but captively held on the outer sleeve 13 during use of the dispenser 1.
  • the sealed sliding guide of the delivery piston 22 in the inner sleeve 15 forms a pump chamber 24 below an end face 28 of the delivery piston 22 in the direction of the closing flap 16, the size of which depends on the axial position or displacement of the actuating cap 7 and thus of the delivery piston 22.
  • an inlet opening 29 is provided, which is covered inside the piston by a closing flap 30 as a valve body.
  • This closing flap 30 forms a pivotally molded attachment of a valve sleeve 31 inserted into the delivery piston 22 and a valve body of a check valve assigned to the inlet opening 29.
  • the valve sleeve 31 is using the tubular cylinder extension 23 of the delivery piston 22 used in this and the closing flap 29 is held in the bottom area of the valve sleeve 31 via a material web hinge-like.
  • the delivery piston 22 is fastened to the piston support tube 20 via a snap connection.
  • a helical spring 32 is received as a return spring for the actuating cap 7, which is supported on the one hand on the outer annular shoulder of the inner sleeve 15 and on the other hand on the bottom of the actuating cap 7 and this in the absence of an actuating force in the shown in Fig. 2, determined by the ring projections 26 and 27 position.
  • the bottom region 17 of the actuating cap 7 forms on its outside the actuating surface on which the actuating force acts vertically downward for the dispensing of the pasty product from the dispenser 1.
  • the pipe section 19 forms an output channel 33.
  • the bottom region 17 of the actuating cap 7 is designed essentially in a plane inclined to the longitudinal axis of the dispenser 1.
  • the dispenser 1 works as follows: if it is initially assumed that only the container 2 is filled with the pasty mass before the dispenser 1 is actuated for the first time, an axial stroke takes place when the actuating cap 7 is axially depressed while the volume of the pumping chamber 24 is reduced, ie as a result of the pressure increase in the pump chamber 24 when the delivery piston 22 is depressed, the closing cap 30 of the delivery piston 22 pivots upward, so that the inlet opening 29 in the piston end face 28 is opened and air escapes from the pump chamber 24 through the discharge channel 33 to the outside.
  • the actuating cap 7 If the actuating cap 7 is then no longer loaded by an actuating force, the actuating cap 7 slides back up to its starting position under the action of the return spring 23, the pump chamber 24 enlarging again.
  • the resulting vacuum in the pump chamber 24 leads on the one hand to the fact that the closing flap 30 of the delivery piston 22 returns to its starting position and closes the inlet opening 29 and on the other hand the closing flap 16 on the end wall 11 of the container 2 is raised or pivoted and the pasty product is released the container 2 can flow into the pump chamber 24 until a pressure equalization is established between the pump chamber 24 and the interior of the container 2 and the closing flap 16 lowers again onto the outlet opening 12 in the end wall 11.
  • the amount of product dispensed is thus determined according to the extent of the piston movement which conveys the product from the pump chamber 24 through the dispensing channel 33.
  • this in turn returns to its starting position under the influence of the restoring helical spring 32, the resulting negative pressure in the pumping chamber 24 leading to the closing of the closing flap 30 on the piston side. This is supported by the amount of product still located in the discharge channel 33 of the actuating cap 7, which is sucked back through the discharge channel 33 in the direction of the pump chamber 24 when the volume of the pump chamber 24 increases and the closing flap 30 is not yet completely sealed.
  • FIG. 3 differs from that according to FIG. 2 only in that here the use of a valve sleeve 31 in the delivery piston 22 is dispensed with and instead a check valve is formed by a closing body 30 in the inlet opening 29 on the end face 28 of the delivery piston 22 is molded in one piece as an articulated tab on the piston support tube 20 and angled at right angles.
  • a reliable pretensioning of the closing body 30 in the closing direction that is, to close the inlet opening 29 in the end face 28 of the delivery piston 22.
  • the piston support tube 20 can be brought close to an inside of the piston end face, whereby the length of the hollow cylinder extension 23 of the delivery piston 22 can be shortened.
  • a further exemplary embodiment according to FIGS. 4 and 5 differs from the previous ones by a modified mounting of the closing flap 30 of the check valve in the delivery piston 22.
  • the piston support tube 20 has a segment-like reinforced wall area 35, in which a longitudinal slot 36 is formed.
  • a prismatic plastic shaft 37 is partially accommodated in this, with which the closing flap 30 is connected integrally and pivotably via a tab.
  • Figure 6 shows an embodiment of the dispenser 1, which achieves a further reduction in the number of individual parts of the head piece 3 in that the inner sleeve 15 separated from the outer sleeve 13 in the previous embodiments is now combined with the latter to form an integral component of the conveying sleeve 38, the Wall has a U-shaped cross section, so that the coil spring 32 is received and guided between an inner wall 39 and an outer wall 40 of the conveying sleeve 38.
  • the end wall 11 has in one piece a sleeve projection 41, in which the conveying sleeve 38 is held by an interference fit.
  • the design and mounting of the delivery piston 22 on the piston support tube 20 is also modified compared to the exemplary embodiments shown in FIGS. 1 to 5.
  • the piston support tube 20 is provided at its front end with a shoulder 42 which has a larger diameter than the rest of the piston support tube 20, so that on the outer surface an undercut 43 of the support tube 20 is formed, while the inner surface of the piston support tube 20 has a collar in this area.
  • a valve sleeve 31 is again accommodated, which serves on the one hand for pivoting the closing flap 30 of the piston-side check valve and at the same time covers the inner collar of the piston support tube 20, so that the flow resistance for the pasty Mass in this area of the output channel 33 is not increased.
  • the delivery piston 22 is designed so that the hollow cylinder extension 23 forms an integral part of the piston sealing surface and slides together with a front sealing lip of the delivery piston 22 on the inner wall 39 of the delivery sleeve 38.
  • the hollow cylinder extension 23 engages around the extension 42 of the piston support tube 20 and engages with the piston support tube 20 in the region of the undercut 43.
  • the delivery piston 22 can simply be pushed onto the extension 42 and is securely form-fitting on the piston support tube 20 held, wherein a further pushing of the delivery piston 22 is prevented by the valve sleeve 31 or the extension 42.
  • this embodiment has the advantage of a further improved guide stability for the actuating sleeve 7 due to the enlarged piston sealing surface.
  • the outer guidance of the actuating sleeve 7 is achieved independently of this in the same way as in the previous exemplary embodiments by the ring projections 25 and 26, which in this case are formed on the outer wall 40 of the conveying sleeve 38 are.
  • the closing cap 16 of the check valve on the top of the container 2 either forms a separate closing element or is connected to the inner wall 39 of the conveying sleeve 38 via a material tab.
  • the manageability of the dispenser 1 is also improved in this exemplary embodiment in that the bottom region 17 of the actuating cap 7, on which the hand grip for actuating the dispenser 1 takes place, has a double-sided, opposing external inclination, so that an actuating finger is guided into the center of the outer actuating surface and a reliable introduction of the actuating force into the actuating cap 7 is ensured.
  • the dispenser operates in the manner described in connection with FIG. 2.
  • the delivery piston 22 can also be made entirely in one piece with the piston support tube 20, so that the hollow cylinder extension 23 of the delivery piston 22 can be omitted.
  • the closing flap 30 is articulated in one piece and is pivotable on the inside of the piston end face 28.
  • the coil spring 32 can also be designed as a resilient plastic ring and as an injection molded part, as can the other components of the dispenser 1.
  • Modifications in the design of the check valves on the top of the container 2 and in the delivery piston 22 can also be carried out depending on the consistency of the pasty product to be delivered.
  • the dispenser can be used wherever the portioned provision of pasty products is concerned, e.g. for medicinal applications, in cosmetics and personal care, in the household sector and when dispensing pasty foods.

Landscapes

  • Closures For Containers (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Formation And Processing Of Food Products (AREA)
  • Manufacturing And Processing Devices For Dough (AREA)
  • Coating Apparatus (AREA)
  • Seeds, Soups, And Other Foods (AREA)
  • Organic Insulating Materials (AREA)

Claims (18)

  1. Distributeur de produits pâteux comprenant un récipient (2) sensiblement cylindrique qui contient un produit dans une chambre de stockage de produit, porte a son extrémité supérieure une tête (3) qui contient un dispositif d'extraction actionné manuellement muni d'un piston d'extraction (22) et un canal de sortie (33) du produit pouvant communiquer avec la chambre de stockage du produit, la tête (3) présentant un corps cylindrique creux (6) raccordé a une paroi frontale supérieure (11) du récipient (2), le piston d'extraction (22) étant disposé de manière à pouvoir glisser dans le corps cylindrique creux (6) en formant une chambre de pompage (24) pouvant être séparée de la chambre de stockage du produit, un capuchon de commande (7) étant guidé sur le corps cylindrique creux (6) de manière a pouvoir glisser axialement, capuchon dans lequel est intégrée une section tubulaire (19) formant le canal de sortie (33), le capuchon de commande (7) recouvrant le corps cylindrique creux (6) comme un godet, le piston d'extraction (22) étant monté dans la section tubulaire (19) et présentant dans une surface frontale (28), une ouverture d'entrée (29) communiquant avec le canal de sortie (33) ainsi qu'un corps (30) d'une première soupape antiretour associé a l'ouverture d'entrée (29), la paroi frontale (11) du récipient (2) présentant une ouverture de sortie (12) pouvant communiquer avec la chambre de pompage (24) ainsi qu'un corps (16) d'une deuxième soupape antiretour associé a ladite ouverture de sortie, et une communication entre la chambre de pompage (24) et le canal de sortie (33) ou entre la chambre de stockage de produit et la chambre de pompage (24) pouvant être établie en fonction d'une course de distribution ou de retour du piston d'extraction (22), caractérisé par le fait que le corps cylindrique creux (6) présente un fourreau extérieur (13) et un fourreau intérieur (15) qui délimitent entre eux un espace annulaire (14) destiné a loger un ressort de rappel (32) qui prend appui à son extrémité supérieure sur une partie de fond (17) du capuchon de commande (7), le fourreau extérieur (13) présente à sa surface périphérique extérieure dans la zone faisant suite à la paroi de séparation (11), une surface de guidage pour une saillie annulaire (27), dirigée vers l'intérieur du capuchon de commande (7) et des saillies radiales (25, 26) espacées dans la direction axiale, qui se raccordent à cette surface de guidage et forment des éléments de guidage et d'arrêt du capuchon de commande, et le récipient (2) présente, côté fond, un piston de poursuite (5) pouvant glisser sur une paroi intérieure du récipient sous l'action de la pression atmosphérique.
  2. Distributeur selon la revendication 1, caractérisé par le fait que le fourreau extérieur (13) est réalisé d'une seule pièce avec le récipient (2) et le fourreau intérieur (15) est mis en place dans le fourreau extérieur (13).
  3. Distributeur selon la revendication 1 ou 2, caractérisé par le fait que le fourreau extérieur (13) est décalé radialement vers l'intérieur par rapport à la surface périphérique du récipient (2) et est réalisé d'une seule pièce avec la surface frontale (11) du récipient (2) en formant un angle droit avec cette dernière.
  4. Distributeur selon au moins l'une des revendications précédentes 1 à 3, caractérisé par le fait que le fourreau intérieur (15) a la forme d'un godet et est mis en place sur la paroi frontale du récipient (2) par un épaulement annulaire (15a) circulaire situé côté fond.
  5. Distributeur selon au moins l'une des revendications précédentes 1 à 4, caractérisé par le fait que dans une position terminale supérieure du capuchon de commande (7), la saillie annulaire (27), dirigée vers l'intérieur et ménagée sur le bord côté récipient du capuchon de commande (7), prend appui contre une saillie radiale inférieure (26) du fourreau extérieur (13).
  6. Distributeur selon au moins l'une des revendications précédentes 1 à 5, caractérisé par le fait que le ressort de rappel est un ressort cylindrique (32).
  7. Distributeur selon la revendication 6, caractérisé par le fait que le ressort cylindrique (32) est placé sur l'épaulement annulaire (15a) du fourreau intérieur (15).
  8. Distributeur selon au moins l'une des revendications précédentes 1 à 7, caractérisé par le fait que le fourreau intérieur (15) présente une partie de fond sur laquelle est articulé d'une seule pièce le corps (16) de la deuxième soupape antiretour qui est associée à une ouverture de sortie (12) de la paroi frontale (11).
  9. Distributeur selon au moins l'une des revendications précédentes 1 à 8, caractérisé par le fait que la paroi frontale (11) est prévue sur un épaulement (8) du récipient (2) présentant un diamètre réduit par rapport à une partie principale du récipient (2) et qu'une surface périphérique de l'épaulement (8) forme une surface d'appui pour un capuchon de fermeture (4) du distributeur.
  10. Distributeur selon la revendication 9, caractérisé par le fait que la surface d'appui de l'épaulement (8) présente des éléments d'encliquetage (9) qui peuvent s'engager dans des éléments (10) de forme correspondante sur le capuchon de fermeture (4).
  11. Distributeur selon au moins l'une des revendications précédentes 1 à 10, caractérisé par le fait que les fourreaux intérieur et extérieur du corps cylindrique creux (6) forment des parois (39, 40) d'un fourreau de guidage (38) d'une seule pièce et de section transversale en U.
  12. Distributeur selon la revendication 11, caractérisé par le fait que le fourreau de guidage (38) est mis en place dans une saillie annulaire (41) qui s'étend d'un seul tenant à partir de la paroi frontale (11) du récipient (2).
  13. Distributeur selon au moins l'une des revendications précédentes 1 à 12, caractérisé par le fait que le piston d'extraction (22) a une forme de godet et est monté sur la section tubulaire (19) du capuchon de commande (7) par l'intermédiaire d'une liaison à encliquetage.
  14. Distributeur selon au moins l'une des revendications précédentes 1 à 13, caractérisé par le fait que la section tubulaire (19) du capuchon de commande (7) se compose intégralement d'un tuyau axial (20) de support du piston et d'un tuyau distributeur (21) coudé à angle obtus vers l'extérieur dans la zone de fond (17) du capuchon de commande (7).
  15. Distributeur selon la revendication 14, caractérisé par le fait que le diamètre intérieur du tuyau de support de piston (20) est supérieur à celui du tuyau distributeur (21).
  16. Distributeur selon la revendication 14 ou 15, caractérisé par le fait qu'un fourreau (31) est inséré avec une languette de fond (30) dans le piston d'extraction (22), entre un côté frontal du tuyau de support de piston (20) et une surface intérieure frontale dudit piston d'extraction, laquelle languette forme le corps de la première soupape antiretour.
  17. Distributeur selon au moins l'une des revendications précédentes 14 à 16, caractérisé par le fait que le tuyau de support de piston (20) présente une zone de paroi (35) renforcée d'un côté et munie d'une fente (36) dans laquelle est logée une tige de montage (37) pour le corps (30) de la première soupape antiretour associée au piston d'extraction (22).
  18. Distributeur selon au moins l'une des revendications précédentes 14 à 17, caractérisé par le fait que le tuyau de support de piston (20) présente un épaulement (42) en contre-dépouille d'un diamètre agrandi sur lequel est enfilé le piston d'extraction (22), une bague d'encliquetage (44) terminale du piston d'extraction (22) s'engageant dans la contre-dépouille (43).
EP87100326A 1986-01-17 1987-01-13 Distributeur pour produits pâteux Expired - Lifetime EP0230252B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87100326T ATE82927T1 (de) 1986-01-17 1987-01-13 Spender fuer pastoese produkte.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3601311 1986-01-17
DE19863601311 DE3601311A1 (de) 1986-01-17 1986-01-17 Spender fuer pastoese produkte

Publications (4)

Publication Number Publication Date
EP0230252A2 EP0230252A2 (fr) 1987-07-29
EP0230252A3 EP0230252A3 (en) 1988-06-29
EP0230252B1 EP0230252B1 (fr) 1992-12-02
EP0230252B2 true EP0230252B2 (fr) 1995-11-29

Family

ID=6292080

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87100326A Expired - Lifetime EP0230252B2 (fr) 1986-01-17 1987-01-13 Distributeur pour produits pâteux

Country Status (9)

Country Link
US (1) US4875604A (fr)
EP (1) EP0230252B2 (fr)
JP (1) JP2568830B2 (fr)
AT (1) ATE82927T1 (fr)
AU (1) AU599350B2 (fr)
CA (1) CA1304328C (fr)
DE (2) DE3601311A1 (fr)
ES (1) ES2037012T5 (fr)
GR (2) GR3006463T3 (fr)

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Also Published As

Publication number Publication date
US4875604A (en) 1989-10-24
JP2568830B2 (ja) 1997-01-08
GR3006463T3 (en) 1993-06-21
DE3601311A1 (de) 1987-07-23
EP0230252B1 (fr) 1992-12-02
EP0230252A2 (fr) 1987-07-29
DE3782829D1 (de) 1993-01-14
AU6703186A (en) 1987-07-23
JPS62182079A (ja) 1987-08-10
ES2037012T5 (es) 1996-04-01
EP0230252A3 (en) 1988-06-29
ATE82927T1 (de) 1992-12-15
ES2037012T3 (es) 1993-06-16
CA1304328C (fr) 1992-06-30
GR3018396T3 (en) 1996-03-31
AU599350B2 (en) 1990-07-19

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