EP1399370B1 - Distributeur pour des produits pateux - Google Patents

Distributeur pour des produits pateux Download PDF

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Publication number
EP1399370B1
EP1399370B1 EP02748670A EP02748670A EP1399370B1 EP 1399370 B1 EP1399370 B1 EP 1399370B1 EP 02748670 A EP02748670 A EP 02748670A EP 02748670 A EP02748670 A EP 02748670A EP 1399370 B1 EP1399370 B1 EP 1399370B1
Authority
EP
European Patent Office
Prior art keywords
supply
container
headpiece
delivery
dispenser according
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 - Fee Related
Application number
EP02748670A
Other languages
German (de)
English (en)
Other versions
EP1399370A1 (fr
Inventor
Willy Lorscheidt
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.)
Wilden AG
Original Assignee
Wilden AG
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 Wilden AG filed Critical Wilden AG
Publication of EP1399370A1 publication Critical patent/EP1399370A1/fr
Application granted granted Critical
Publication of EP1399370B1 publication Critical patent/EP1399370B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • B05B11/1052—Actuation means
    • B05B11/1053—Actuation means combined with means, other than pressure, for automatically opening a valve during actuation; combined with means for automatically removing closures or covers from the discharge nozzle during actuation
    • B05B11/1054—Actuation means combined with means, other than pressure, for automatically opening a valve during actuation; combined with means for automatically removing closures or covers from the discharge nozzle during actuation the valve being located upstream of an outlet valve
    • 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
    • B05B11/0072—A valve member forming part of an outlet opening
    • 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
    • B05B11/1021—Piston pumps having an outlet valve which is a gate valve
    • 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
    • B05B11/01—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

Definitions

  • the present invention relates to a dispenser with the above-mentioned features of claim 1.
  • the present invention is based on the problem, a donor of the above mentioned type to improve that actuation with lower actuation forces is possible and beyond an impairment of the delivered pasty product is reduced by oxidation.
  • the conveyor to the Container and the head piece longitudinally displaceable conveying element comprising a having in the delivery chamber slidable delivery piston, which with a Conveyor is connected, which surrounds a conveyor channel circumferentially, with a the conveying chamber communicating conveying channel inlet opening and a winningkanalauslassö réelle which, by a displacement movement of the conveying element relative to the head piece can be brought into a position in which the bainkanalauslassö réelle opens to the output channel.
  • the delivery chamber opens to the dispensing channel via a winningkanalauslassö réelle, via a longitudinal displacement of the conveying element Released relative to the head piece.
  • This relative movement will preferably achieved by the head piece being manually operated, i. in axial Direction is slid towards the container.
  • a previous build up of pressure in the delivery chamber, as in the generic state of the art for releasing the Passage was required is not required. Accordingly, the operating forces reduced for delivery of pasty products from the donor.
  • a delivery channel is arranged downstream of the delivery chamber provided, which is surrounded by a promotion. At the end of this conveyor channel is discharged from the feed chamber pasty product through the redesignkanalauslassö réelle discharged into the output channel. Only after delivery of the Product from the bainkanalauslassö réelle this is in the output channel. The remaining output channel is shorter in any case than in the generic form Donor. Accordingly, significantly less volume pasty mass by eventual Oxidation processes impaired. The remaining length of the output channel especially in those products that are highly resistant to oxidation are prone to be shortened by the fact that the output channel in extension of the Front side of the head piece opens to the outside.
  • the aforesaid bushing will preferably serve as a guide bushing for the conveyor formed and has at least one with the peripheral surface of the delivery shaft cooperating guide surface.
  • the above-mentioned entrainment means are in a simple manner preferably by a formed the sleeve trained driving shoulder, with one on the conveyor shaft integrally formed driving ring cooperates.
  • This entrainment ring is preferred formed on the end of the delivery shaft, so that the below the entrainment ring recessed constructively in the starting position by Installation of the Mit supportivekranzes can be sealed to walls of the headboard.
  • the pending in the output channel Volume thereby further reduced, that the driver shoulder end at the socket and at the transition to the output channel and the driving ring formed in the end-side end region of the end closed delivery shaft is, as proposed in accordance with a preferred embodiment of the present invention becomes.
  • the end covers the delivery shaft arranged shaft cap the output channel in the starting position of Conveyor substantially flush and preferably has the entrainment ring on.
  • the actuation takes place the delivery piston preferably via the end-side end faces of the guide bush.
  • the delivery piston dominates the delivery shaft radially to form an annular contact surface for a pressure surface, the is formed on the front side of the guide bush and in the starting position with arranged axially spaced from the contact surface and by axial displacement of the Head piece can be applied in the direction of the container to the contact surface.
  • the inner wall Form the delivery chamber by an inner sleeve, soft on the headpiece side Front side of the container is provided.
  • the inner sleeve dominates the Front side of the container on the headpiece side facing.
  • the Inner sleeve integrally formed on the container to reduce the components.
  • a head counterpart proposed that a cup-shaped on the aforementioned inner sleeve slipped retaining cylinder and a concentric arranged to the holding cylinder, the sliding displacement of the head piece leading Having guide cylinder.
  • the guide cylinder and / or the holding cylinder allow a slight concentric orientation of the head part to the cylinder. Further improved the guide cylinder, the leadership of the lifting movement of the head piece during actuation of the donor.
  • a delivery piston stop forms for the delivery piston, on the one hand a relatively elongated guide for the Delivery piston and on the other hand in a simple way, a stroke limitation of the delivery piston provided.
  • a stroke limit holds, for example, the headboard in the starting position on the container when the driving means in operative connection stand.
  • the holding cylinder has a bottom annular shoulder, a soft Bearing surface for a coil spring is formed, the head piece in the starting position keeps under tension.
  • the annular shoulder is in this preferred embodiment on the Face of the container placed and is thus particularly suitable, the head counterpart set in the axial direction relative to the container.
  • the head counterpart and the head piece formed as a prefabricated dispenser component.
  • the head piece and the head counterpart with its outer circumferential surface each cup-shaped superimposed, the head counterpart at least a stop for limiting the axial displacement movement of the head piece relative to the head counterpart.
  • a return element For example, the above-mentioned coil spring, which is the head piece and the head counterpart in the axial direction spaced under bias holds.
  • the abovementioned abutment limits the axial displacement movement of the headpiece, i. provides after assembly of head piece and head counterpart including the spring for the cohesion of the two mutually displaceable components.
  • the like formed donor component can be placed on differently designed container What makes an economical manufacturing of the dispenser for very different Applications and container volumes allowed.
  • a particularly simple and durable connection between the prefabricated dispenser component and the container is formed by the dispenser component with the container formed on the head counterpart and the end face of the container Locking means are locked.
  • the head piece is so length-displaceable, that the head piece by manual operation of the initial position first to a first axial distance to rest on the delivery piston at the same time Exposing the originallykanalauslassö réelle in the output channel in a central position can be brought and the head part then with progressive axial displacement under Carrying the delivery piston from the center position in an output end position brought is, in which the delivery chamber by displacement of the delivery piston her smallest Volume has reached.
  • the exposure is done the randomlykanalauslassö réelle and compressing the substance in the delivery channel in the context of a rectified movement of the head piece in the direction of the container.
  • This preferred embodiment allows a structurally simple solution of Dispenser according to the invention, in which the head piece directly on the delivery piston acts and this after exposure of the originallykanalauslassö réelle for conveying pasty mass drives.
  • This movement of the head piece usually takes place against the force of a biasing element, such as a spring, which ensures that upon relief of the header this from the output end position away from Press the container.
  • a biasing element such as a spring
  • the closure member is preferably such procure that it is due to a pressure difference between the output channel and the atmosphere for dispensing the pasty product opens. Will - as above mentioned - the pasty mass in the output channel away from the product discharge opening withdrawn, this leads to a relative negative pressure in the output channel, which ensures that the closing part the product discharge opening is particularly effective seals.
  • the product discharge opening it is preferable to form a locking mandrel arranged in the dispensing channel.
  • This locking pin is preferably formed integrally on the head part.
  • the also annularly shaped closure part has a on the lock pin sealing applied seal lip, which at an effective negative pressure, the output channel effectively closes, however, during the discharge of the pasty product a Releases relatively large product discharge opening, through which at relatively low Pressure loss, the product can be discharged.
  • a closure part of high efficiency by means of two-component injection molding can be particularly economical form on the head part, as in a preferred Further development of the present invention is proposed.
  • the locking part is firmly connected to the headboard.
  • Closing part made of a flexible plastic, particularly preferably from a formed thermoplastic elastomer. It has been shown that in particular by a thermoplastic elastomer effective sealing of the product discharge opening can be achieved.
  • the material for the sealing part is particularly preferred for Forming a functional surface used on the front-side outer surface of the head part can be.
  • a functional surface can, for example, the haptic Properties to be improving pusher surface against which the user of the Donor presses in its use.
  • Such a functional surface is preferably formed by a coating at least the end face on the outside of the head part.
  • the closure member and the coating are integrally formed, preferably by two-component injection molding after the injection molding production of the head part.
  • FIG. 1 of a dispenser has a container 1, which is cup-shaped and on its underside with a bottom plate 2 is connected, which is locked to the container 1.
  • a head-side cover 10 in which a container opening 11 is omitted.
  • This cover 10 is facing away from the container 1 Side for receiving a dispensing head consisting of a head piece 3, a Head counterpart 4 and a pressure piston 5 is formed.
  • the donor also has a on an above the cover 10 extending outer sleeve 12 of the container first deferred cap 6 on.
  • the container 1, the bottom plate 2, the head counterpart 4 and the pressure piston 5 are formed as rotationally symmetrical components and arranged concentrically to a central longitudinal axis.
  • Coil spring 7 Between the head piece 3 and the head counterpart 4 is a schematically indicated Coil spring 7, through which the head piece 3 in the starting position shown in Figure 1 held biased against the head counterpart 4.
  • the head piece 3 has a cylindrical outer shell 30, which radially inside immediately adjacent to the outer sleeve 12 of the container 1 and concentric therewith is arranged.
  • the outer sleeve 12 of the container 1 projects beyond the container end the outer jacket 30 in the axial direction. Accordingly, that appears in FIG shown embodiment of the dispenser even with removed cap as a closed unit consisting of the container 1 and the head piece 3.
  • the head piece 3 and the pressure piston 5 is longitudinally displaceable held against the container 1, wherein the pressure piston 5 beyond is longitudinally displaceable relative to the head piece 3.
  • FIG. 2 shows a longitudinal sectional view of the container 1.
  • the cylindrical wall of the container 1 encloses an interior 10a for receiving the pasty Product.
  • the container opening 11 extend star-shaped holding webs 11a.
  • On the interior 10 a side facing away from the cover 10 is concentric to the container opening 11 a cylindrical inner sleeve 13 is arranged, which in Axial direction is surmounted by the outer sleeve 12 and the one delivery chamber 100th surrounds.
  • the inner wall of the inner sleeve 13 is smooth, whereas on the outer side the inner sleeve 13 is recessed a circumferential locking groove 14.
  • the bottom of the delivery chamber 100 is formed by the cover 10 of the container 1.
  • the cover 10 has a projecting into the delivery chamber 100 annular ring 15, which the Container opening 11 surrounds and between the inner sleeve 13 and an annular gap 16 forms.
  • FIG 3 the details of the plunger 5 are shown in more detail.
  • This one has one essentially cylindrical, inside hollow conveyor shaft 50, at one end a delivery piston 51 is integrally formed.
  • the delivery piston 51 projects beyond the delivery shaft 50 radially and has on its outer peripheral surface respectively upper and lower Sealing lips 52, the substantially annularly shaped delivery piston 51 in Project over the axial direction.
  • Formed on a conveyor shaft 50 facing end face the delivery piston 51 has an annular abutment surface 51a.
  • the delivery shaft 50 has at its one end one in the middle of the annular delivery piston 51 recessed conveying channel inlet opening 53. At the other end the delivery shaft 50 is closed at the end by a buttock 54.
  • the butt plate 54 covers a cylinder portion 55 of the delivery shaft 50 from the opposite the remaining shaft portion 56 is increased in diameter. Between this shaft area 56 and the cylinder portion 55 is an obliquely inclined outwards Mit facilitatorkranz 57. Between the Mitauerkranz 57 and the butt plate 54 are on the outer peripheral surface of the cylinder portion 55 has a plurality of constructiveauslassö Maschinennnenen 58 sparsely distributed.
  • the Delivery channel inlet port 53 communicates via a surrounding of the delivery shaft 50 Delivery channel 50a with the originallykanalauslassö Maschinenen 58 and forms a delivery passage for the pasty substance, which is free from check valves.
  • the head piece 3 is shown in the longitudinal sectional view.
  • the head piece 3 has a cylindrical outer shell 30, to which concentric an inner hollow guide bushing 31 is arranged, which communicates with an output channel 32.
  • the front end of the guide bush 32 forms an end-face pressure surface 33, which is dominated by the outer jacket 30 in the axial direction.
  • the guide bush 31 has adjacent to the front-side pressure surface 33, a first socket portion 31a, which has a smaller inner diameter than that in the conveying direction the pasty substance behind lying second socket portion 31b.
  • a driver shoulder 34 is formed, which the two sections of different diameters over connects a slope with each other.
  • the second bushing portion 31b opens into a in the obtuse angle ⁇ from the central longitudinal axis laterally outgoing output channel 32.
  • the second bushing portion 31b is defined by a right angle to the central longitudinal axis and without offset in the output channel 32 passing socket head 35th limited on the upper side.
  • the head piece 3 Ridges 36 formed spring bearing surfaces 37.
  • the ribs 36 extend in approximately star-shaped from the bushing 31 to the inner surface of the outer shell 30. Accordingly is between the inner surface of the outer shell 30, the outer surface of the Guide bushing 31 and the spring bearing surfaces 37 a to the underside of the head piece 3 open annular space 38 is formed.
  • the head part 3 is open to the container-side side of the outer shell 30 and above this end face formed substantially in the manner of a cap. At the Front side of the outer shell 30 facing away from the top of the head part 3 is located a product discharge port 39 of the discharge passage 32.
  • the head counterpart 4 is shown, which is essentially two concentric Cylinder sections, namely an outer holding cylinder 41 and a in Diameter smaller guide cylinder 42.
  • the holding cylinder 41 projects beyond the guide cylinder 42 on the container 1 side facing, whereas the guide cylinder 42 projects beyond the holding cylinder 41 on the other side.
  • a radially from there to the inside extending annular ridge 43 is provided, which is approximately centrally to the outer surface of the Guide cylinder 42 abuts.
  • the holding cylinder 41 has on its container-side end face an outwardly projecting circumferential annular shoulder 44 on. On the inner surface of the holding cylinder 41st is a circumferential locking edge 45 is formed.
  • the container-side end face of the guide cylinder 42 forms a delivery piston stroke 42a.
  • the delivery piston 51 of the Plunger 5 slidably in the inner sleeve 13 of the container 1 and thus covers front side, the delivery chamber 100 from.
  • the head counterpart 4 is concentric with the inner sleeve 13 arranged and cup-shaped with its holding cylinder 41 via the inner sleeve 13 pushed.
  • the annular shoulder 44 of the head counterpart 4 is located on the container. 1 remote end face of the cover 10 at.
  • the on the inside of the holding cylinder 41 formed locking edge 45 is formed with the on the outside of the inner sleeve 13 Locking groove 14 in engagement.
  • the annular shoulder 44 of the head counterpart 4 is located approximately in the region of the frontal side End of the inner sleeve 13.
  • the thereto radially inwardly adjoining guide cylinder 42 surrounds the end face in the initial position shown in FIG End of the guide bushing 31 of the head part 3.
  • Radially inside this guide bushing 31 is the conveyor shaft 50 with its shaft portion 56 of smaller diameter.
  • the delivery piston 51 of the pressure piston 5 is slidable on the inner wall the inner sleeve 13 is arranged.
  • the annular contact surface 51a of the delivery piston 51 is located on the front side of the delivery piston stop 42a of the guide cylinder 42nd at.
  • container valve 20 Between the delivery chamber 100 and the interior 12 of the container 1 is located a trained in a known manner container valve 20, with its sealing disc 21 abuts against the annular ring 15 of the cover 10 and the interior 10 a opposite the delivery chamber 100 seals.
  • FIGS 6a to 6d show that described with reference to the previous figures Embodiment in use.
  • Fig. 6a reference is made shown on Figure 1 above starting position 0.
  • the butt plate 54 extends the dispensing channel 32 beyond the central longitudinal axis
  • the butt plate 54 has a distance "a" from the inside of the socket head 35th
  • a user pushes the head 3 toward the container 1, i. in the direction of arrow B as shown in Figure 6a. by virtue of the incompressibility of the in the delivery chamber 100 and the delivery channel 50 a contained substance of the pressure piston 5 remains in its position.
  • the head piece 3 moves relative to the pressure piston 5 in the direction of the container 1 to.
  • the form-fitting Appendix between the driver ring 57 and the driver shoulder 34 is dissolved until the butt plate 54 abuts against the inner surface of the socket head 35 or -
  • the frontal pressure surface 33 at the end of the guide bush 31 on the annular abutment surface 51 a of the delivery piston 51 for conditioning comes. After this axial displacement by the displacement "a" are the redesignkanalauslassötechnisch 53 in the output channel 32 free (Fig. 6b).
  • the head piece 3 is in this as well as any other axial relative movement between the head piece 3 and the head counterpart 4 or between the head piece 3rd and the container 1 by the abutment of the outer peripheral surface of the guide bush 31st slidably guided on the inner circumferential surface of the guide cylinder 42.
  • the relative movement between the head 3 and the pressure piston 5 is on the system of Peripheral surface of the second shaft portion 31 a guided on the shaft portion 56.
  • the head piece 3 released by the user, so presses the coil spring 7, the head piece 3 in the opposite direction back. This first remains the plunger 5 in its output end position. Only the head piece 3 moves away from the container 1, namely, until the driver shoulder 34th comes to rest on the driver ring 57 (see Fig. 6d).
  • the pressure piston 5 is also progressing Moved back movement of the head piece 3 in the direction of the initial position, the is reached when the delivery piston stop 42a against the annular abutment surface 51a of the delivery piston 51 abuts.
  • the relative movement of the pressure piston 5 away from the container 1 is pasty product from the interior 10 a of the container 1 conveyed through the container opening 11 in the delivery chamber 100.
  • the here in the Interior 10a resulting relative negative pressure leads in a conventional manner a trailing movement of the trailing piston 22 located in the interior 12.
  • a second embodiment of the dispenser according to the invention is shown.
  • the same parts are in this embodiment compared to the previously discussed marked with the same reference numerals.
  • the container 1 of the shown in Fig. 7 Embodiment is substantially identical to the previously described container formed with a container outer wall surrounding an inner space 10 a, in which a follower piston 22 is arranged longitudinally displaceable and which of a bottom plate 2 is closed.
  • the container 1 at its frontal cover a circumferential locking ring 17 on.
  • the head counterpart 4 is extended over the annular shoulder 44 radially outward and has a substantially parallel to the holding cylinder 51 extending cylindrical outer wall 46, whose diameter is greater than the diameter of the Outer jacket 30 of the head piece 3 is.
  • Between the outer wall 46 and the holding cylinder 41 is on the container-bottom of the head counterpart 4 a recess 47 formed, which with the locking ring 17 to form a latching connection between the head piece 4 and the container 1 cooperates.
  • the head counterpart 4 is together formed with the head piece 3 as a prefabricated dispenser component.
  • the container 1 facing away from free end of the outer wall 46 of the head counterpart 4 is radially to Training a detent 46a bent inwardly and projects beyond in the axial direction an annular bead 30a, which on the outside of the outer shell 30 on the head piece. 3 is provided.
  • a stop is formed, through which the head counterpart 4 is captively connected to the head piece 3.
  • This stop holds the spring 7 applied spring forces.
  • the headpiece 3 and the head counterpart 4 comprehensive Dispenser component can thus be preassembled on the container 1 prior to assembly become.
  • the two components 3, 4 are so far in the axial Direction into each other, until the annular bead 30a at the inward arc End of the outer wall 46 has slipped past.
  • the pressure piston 5 has a driving ring 57, which is formed on the butt plate 54. Accordingly seals the entrainment ring 57 in the initial position shown in Fig. 7, the output channel 32 off.
  • the driver shoulder 34 is in the embodiment shown above a circumferential shoulder bead 34a formed on the guide bush.
  • the promotion 50 has a shank portion 56 of reduced diameter, the longitudinal extent thereof the axial distance "a" corresponds. Accordingly, the axial displaceability of the pressure piston 5 relative to the head part 3 by the butt plate 54th on the one hand and the longitudinal extent of the shaft portion 56 of reduced diameter on the other hand.
  • a Locking mandrel 32 a is provided, which integrally formed on the head piece 3 is.
  • the closure mandrel 32a By the closure mandrel 32a, the product discharge opening 39 is annular.
  • the Product discharge opening 39 is in the embodiment shown by an annular Closing 60 covered, which as a separate component of a thermoplastic Elastomer is connected to the head piece 3.
  • the closure member 60 is located in 7 in the starting position on the outer peripheral surface and on parts of the front side, but especially the peripheral surface of the locking mandrel 32a and seals thus the output channel 32 from.
  • a cover 61 Integral with the closure member 60 is a cover 61, the material identical as the closure member 60 is formed and which is about a predominantly part of the frontal cover of the head piece 3 extends. Through this Cover 61 is formed a non-slip functional surface on the head piece 3.
  • the two embodiments described above have in common the Advantage that the delivery channel openings 58 only after a relative movement between the head part 3 and the plunger 5 in the discharge channel 32 are exposed.
  • a downstream in the conveying direction Open check valve To the Conveying the pasty product from the delivery chamber in the direction of the product discharge opening 32a, it is not necessary that the initially constructed internal pressure in the delivery chamber 100 is used, a downstream in the conveying direction Open check valve. Accordingly, the pasty product with less Forced effort to be carried out.

Landscapes

  • Closures For Containers (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

L'invention concerne un distributeur pour des produits pâteux. Le distributeur selon l'invention comprend un contenant pratiquement cylindrique (1) qui contient le produit pâteux et qui présente, au niveau du fond, un piston de poursuite (22) coulissant sous l'effet de la pression de l'atmosphère extérieure le long d'une paroi intérieure du contenant ainsi que, au niveau de son extrémité supérieure, un élément de tête (3) coulissant par rapport au contenant (1). L'élément de tête (3) présente un conduit de sortie (32) pour le produit communiquant avec le contenant (1) et agit sur un dispositif de transport actionné manuellement pourvu d'une chambre de transport (100) à volume variable. L'invention vise à améliorer un distributeur de ce type de façon à rendre possible un actionnement avec des forces d'actionnement faibles et à éviter une altération par oxydation du produit pâteux à distribuer. A cet effet, un élément de transport (5), coulissant longitudinalement par rapport au contenant (1) et à l'élément de tête (3) et réalisé en tant que composant du dispositif de transport, présente un piston de transport (51) coulissant dans la chambre de transport (100) et relié à une tige de transport (50) qui entoure périphériquement un conduit de transport. Le conduit de transport comprend un orifice d'entrée (53) communiquant avec la chambre de transport (100) et un orifice de sortie (58) qui, par un mouvement de déplacement de l'élément de transport (5), peut être amené par rapport à l'élément de tête (3) dans une position dans laquelle l'orifice de sortie (58) s'ouvre vers le conduit de sortie (32).

Claims (17)

  1. Distributeur pour produits pâteux avec un réservoir essentiellement cylindrique (1) contenant le produit pâteux, qui comporte sur le fond un piston suiveur (22) pouvant être déplacé en coulissant sur une paroi interne du réservoir sous la pression atmosphérique, et qui est équipé sur son extrémité supérieure d'une pièce de tête (3) pouvant être déplacée en coulissant vers le réservoir (1), laquelle comporte un canal communicant de sortie (32) pour le produit pouvant être relié au réservoir (1) et agit sur un dispositif d'alimentation à commande manuelle avec une chambre d'alimentation (100) pour le produit dont le volume peut varier, sachant que le dispositif d'alimentation comprend une pièce d'alimentation (5) pouvant être déplacée dans le sens de la longueur vers le réservoir (1) et la pièce de tête (3), cette pièce d'alimentation comportant un piston d'alimentation (51) pouvant être déplacé en coulissant dans la chambre d'alimentation (100), qui est relié à un conduit (50) qui entoure un canal d'alimentation (50a), qui comporte un orifice d'admission (53) et un orifice d'évacuation (58) communiquant avec la chambre d'alimentation (100),
       caractérisé en ce que,
       le canal d'évacuation (32) est réalisé de manière à faire saillie latéralement par rapport au sens de la longueur du canal d'alimentation (50a),
       en ce que l'orifice d'évacuation (58) est prévu sur la surface périphérique du conduit (50) et, en partant d'une position de départ dans laquelle l'orifice d'évacuation (58) est obstrué par une douille (31) formée dans la pièce de tête (3), peut prendre grâce à un mouvement de déplacement de la pièce d'alimentation (5) par rapport à la pièce de tête (3), une position dans laquelle l'orifice d'évacuation (58) est dégagé vers le canal d'évacuation (32).
  2. Distributeur selon la revendication 1, caractérisé en ce que la douille est formée comme une douille de guidage (31) permettant de déplacer le dispositif d'alimentation dans le sens de la longueur, qui comporte au moins une surface de guidage agissant conjointement avec la surface périphérique du conduit (50).
  3. Distributeur selon l'une des revendications précédentes 1 ou 2, caractérisé en ce que des moyens d'entraínement (34, 57) sont prévus sur la pièce de tête (3) et sur le dispositif d'alimentation, par lesquels le dispositif d'alimentation est entraíné, après actionnement manuel, dans la position de départ lors du repositionnement de la pièce de tête (3).
  4. Distributeur selon la revendication 3, caractérisé en ce qu'un épaulement d'entraínement (57) est réalisé sur la douille (31), qui agit conjointement avec un collier d'entraínement (34) située sur le conduit (50).
  5. Distributeur selon la revendication 4, caractérisé en ce que l'épaulement d'entraínement (34) est prévu à l'extrémité de la douille (31), au niveau du passage vers le canal de sortie (32) et le collier d'entraínement (57) est prévu à l'extrémité frontale du conduit (50).
  6. Distributeur selon l'une des revendications 2 à 5, caractérisé en ce que le piston d'alimentation (51) dépasse radialement du conduit (50) pour former une surface d'appui de forme annulaire (51a), et en ce que la douille de guidage (31) comporte une surface frontale de pression (33), qui est placée, dans la position de départ, avec un écart axial vis-à-vis de la surface d'appui (51a), et qui peut venir en contact sur la surface d'appui (51a) par un déplacement axial de la pièce de tête (3) en direction du réservoir (1).
  7. Distributeur selon l'une des revendications précédentes, caractérisé en ce que la paroi interne de la chambre d'alimentation (100) est formée d'un manchon interne (13), lequel est prévu sur la face frontale du réservoir (1) du côté de la pièce de tête (3).
  8. Distributeur selon la revendication 7, caractérisé par une contre-pièce de tête (4) qui comporte un cylindre de maintien (41) en forme de cloche emboítée sur le manchon interne (13) ainsi qu'un cylindre de guidage (42) disposée de manière concentrique par rapport au cylindre de maintien (41), guidant le déplacement coulissant de la pièce de tête (3).
  9. Distributeur selon la revendication 8, caractérisé en ce que l'extrémité du cylindre de guidage (42) faisant face à la chambre d'alimentation comporte une butée (42a) pour le piston d'alimentation (51).
  10. Distributeur selon la revendication 8 ou 9, caractérisé en ce que le cylindre de maintien (41) est pourvue d'un épaulement annulaire de fond (44), qui forme une surface d'appui pour un ressort cylindrique maintenant la pièce de tête en précontrainte dans la position de départ et qui est posé sur la face frontale du réservoir (1).
  11. Distributeur selon l'une des revendications 8 à 10, caractérisé en ce que la contre-pièce de tête (4) comporte au moins une butée (46a) afin de limiter le déplacement axial de la pièce de tête (3), et en ce qu'elle est formée, conjointement avec la pièce de tête (3) comme composants préfabriqués du distributeur, et fixée frontalement sur le réservoir (1).
  12. Distributeur selon la revendication 11, caractérisé en ce que les composants du distributeur sont verrouillés avec le réservoir (1) par des moyens d'arrêt (47, 17) situés sur la contre-pièce de tête (4) et sur la face frontale du réservoir (1).
  13. Distributeur selon l'une des revendications précédentes, caractérisé en ce que la pièce de tête (3) peut être déplacée dans le sens de la longueur de telle sorte que la pièce de tête (3) puisse prendre, à partir de la position de départ et au moyen d'un actionnement manuel, tout d'abord une position intermédiaire suite à un premier déplacement axial (a) pour prendre appui contre le piston d'alimentation en dégageant en même temps l'orifice d'évacuation (58) dans le canal de sortie (32) et que la pièce de tête (3) puisse prendre ensuite, à partir de la position intermédiaire, en continuant le déplacement axial avec entraínement du piston d'alimentation (51), une position finale de distribution, dans laquelle la chambre d'alimentation (100) a atteint son plus petit volume par déplacement du piston d'alimentation (51).
  14. Distributeur selon l'une quelconque des revendications précédentes, caractérisé par un élément obturateur (60) fixé sur la pièce de tête, grâce auquel un orifice de distribution du produit (39) du canal de sortie (32) peut être obturé.
  15. Distributeur selon la revendication 14, caractérisé en ce que l'orifice de distribution du produit (39) a une forme annulaire autour d'un mandrin de fermeture (32a) placé dans le canal de sortie, et en ce que l'élément obturateur (60) comporte une lèvre d'étanchéité annulaire pouvant être disposée hermétiquement sur le mandrin de fermeture.
  16. Distributeur selon la revendication 14 ou 15, caractérisé en ce que l'élément obturateur (60) est constitué d'une masse en plastique élastique et souple, de préférence d'un élastomère thermoplastique.
  17. Distributeur selon l'une des revendications 14 à 16, caractérisé en ce que l'élément obturateur (60) est monobloc avec un enrobage (61) réalisé au moins sur la paroi externe frontale de la pièce de tête (3).
EP02748670A 2001-06-29 2002-04-22 Distributeur pour des produits pateux Expired - Fee Related EP1399370B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE20110604U DE20110604U1 (de) 2001-06-29 2001-06-29 Spender für pastöses Produkt
DE20110604U 2001-06-29
PCT/EP2002/004423 WO2003004374A1 (fr) 2001-06-29 2002-04-22 Distributeur pour des produits pateux

Publications (2)

Publication Number Publication Date
EP1399370A1 EP1399370A1 (fr) 2004-03-24
EP1399370B1 true EP1399370B1 (fr) 2005-03-02

Family

ID=7958582

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02748670A Expired - Fee Related EP1399370B1 (fr) 2001-06-29 2002-04-22 Distributeur pour des produits pateux

Country Status (4)

Country Link
US (1) US6955278B2 (fr)
EP (1) EP1399370B1 (fr)
DE (2) DE20110604U1 (fr)
WO (1) WO2003004374A1 (fr)

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DE102007024723A1 (de) 2007-01-24 2008-07-31 Inotech Kunststofftechnik Gmbh Spendervorrichtung für die Aufnahme und Ausgabe von pastösen Produkten mit einem Schieberventil
DE102007024722A1 (de) 2007-01-24 2008-07-31 Inotech Kunststofftechnik Gmbh Spendervorrichtung für die Aufnahme und Ausgabe von pastösen Produkten mit einem Schieberventil
DE102007024724A1 (de) 2007-01-24 2008-07-31 Inotech Kunststofftechnik Gmbh Spendervorrichtung für die Aufnahme und Ausgabe von pastösen Produkten mit einem ein Kopfstück und einen Spenderkolben aufweisenden Spenderkopf
DE102007024719A1 (de) 2007-01-24 2008-08-21 Gerresheimer Wilden Gmbh Spendervorrichtung
DE102008023521A1 (de) 2008-02-15 2009-09-10 Inotech Kunststofftechnik Gmbh Vorrichtung und Verfahren zum Spenden von fließfähigen Substanzen sowie Verfahren zum Herstellen einer Vorrichtung zum Spenden von fließfähigen Substanzen
DE102008023522B3 (de) * 2008-05-15 2009-12-17 Inotech Kunststofftechnik Gmbh Vorrichtung und Verfahren zum Spenden von fließfähigen Substanzen sowie Verfahren zum Herstellen einer Vorrichtung zum Spenden von fließfähigen Substanzen
US10493477B2 (en) 2013-08-12 2019-12-03 Stan Engineering Corp. S.R.L. Delivering device, in particular for pasty or creamy products

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DE10354053A1 (de) * 2003-11-17 2005-06-16 Beiersdorf Ag Kosmetische oder dermatologische Zubereitungen zur Applikation mit Spendersystemen
DE10354051A1 (de) * 2003-11-17 2005-06-16 Beiersdorf Ag Spender mit kosmetischen Zubereitungen, die Hilfsmittel zur Gängighaltung des Spenders enthalten
US7654418B2 (en) * 2004-08-30 2010-02-02 Rieke Corporation Airless dispensing pump
US7367476B2 (en) 2004-08-30 2008-05-06 Rieke Corporation Airless dispensing pump with tamper evidence features
KR100766816B1 (ko) * 2006-01-18 2007-10-17 주식회사 다린 내용물 정량 토출과 누액방지 및 변질방지 기능을 갖는에어리스 타입 화장품 용기
DE202007004662U1 (de) 2007-03-28 2008-08-07 Geiberger, Christoph Mehrkammerbehälter
DE202008011825U1 (de) 2008-09-05 2008-12-11 Geiberger, Christoph Dosierspender
DE102010009797B4 (de) 2010-03-01 2011-11-10 Inotech Kunststofftechnik Gmbh Spendereinrichtung mit polymerem elastischen Element und Verfahren zu dessen Betätigung
DE202011000682U1 (de) * 2011-03-24 2013-11-12 Rpc Bramlage Gmbh Spender zur Ausgabe flüssiger bis pastöser Massen
JP5840974B2 (ja) * 2012-02-20 2016-01-06 プレスコ株式会社 ポンプ装置
WO2018014929A1 (fr) * 2016-07-18 2018-01-25 Rpc Bramlage Gmbh Distributeur pour matières liquides à pâteuses
CN108177866B (zh) * 2017-12-25 2019-09-20 上海洁诺德塑胶制品有限公司 一种自吸泵压装置
FR3087323B1 (fr) * 2018-10-19 2022-03-04 Albea Services Insert pour capot de flacon de produit fluide, capot equipe d'un tel insert et flacon associe

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Publication number Priority date Publication date Assignee Title
DE102007024723A1 (de) 2007-01-24 2008-07-31 Inotech Kunststofftechnik Gmbh Spendervorrichtung für die Aufnahme und Ausgabe von pastösen Produkten mit einem Schieberventil
DE102007024722A1 (de) 2007-01-24 2008-07-31 Inotech Kunststofftechnik Gmbh Spendervorrichtung für die Aufnahme und Ausgabe von pastösen Produkten mit einem Schieberventil
DE102007024724A1 (de) 2007-01-24 2008-07-31 Inotech Kunststofftechnik Gmbh Spendervorrichtung für die Aufnahme und Ausgabe von pastösen Produkten mit einem ein Kopfstück und einen Spenderkolben aufweisenden Spenderkopf
DE102007024719A1 (de) 2007-01-24 2008-08-21 Gerresheimer Wilden Gmbh Spendervorrichtung
DE102008023521A1 (de) 2008-02-15 2009-09-10 Inotech Kunststofftechnik Gmbh Vorrichtung und Verfahren zum Spenden von fließfähigen Substanzen sowie Verfahren zum Herstellen einer Vorrichtung zum Spenden von fließfähigen Substanzen
DE102008023521B4 (de) * 2008-02-15 2009-12-03 Inotech Kunststofftechnik Gmbh Vorrichtung und Verfahren zum Spenden von fließfähigen Substanzen sowie Verfahren zum Herstellen einer Vorrichtung zum Spenden von fließfähigen Substanzen
DE102008023522B3 (de) * 2008-05-15 2009-12-17 Inotech Kunststofftechnik Gmbh Vorrichtung und Verfahren zum Spenden von fließfähigen Substanzen sowie Verfahren zum Herstellen einer Vorrichtung zum Spenden von fließfähigen Substanzen
US10493477B2 (en) 2013-08-12 2019-12-03 Stan Engineering Corp. S.R.L. Delivering device, in particular for pasty or creamy products

Also Published As

Publication number Publication date
DE20110604U1 (de) 2002-11-14
EP1399370A1 (fr) 2004-03-24
WO2003004374A1 (fr) 2003-01-16
DE50202384D1 (de) 2005-04-07
US20040206781A1 (en) 2004-10-21
US6955278B2 (en) 2005-10-18

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