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EP2164645B1 - Distributeur de pâtes liquides ou pâteuses - Google Patents

Distributeur de pâtes liquides ou pâteuses Download PDF

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Publication number
EP2164645B1
EP2164645B1 EP08774511.3A EP08774511A EP2164645B1 EP 2164645 B1 EP2164645 B1 EP 2164645B1 EP 08774511 A EP08774511 A EP 08774511A EP 2164645 B1 EP2164645 B1 EP 2164645B1
Authority
EP
European Patent Office
Prior art keywords
pumping chamber
wall
valve
flat part
section
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.)
Not-in-force
Application number
EP08774511.3A
Other languages
German (de)
English (en)
Other versions
EP2164645A2 (fr
Inventor
Günter Pohlmann
Franz Weingarten
Martin Presche
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.)
RPC Bramlage GmbH
Original Assignee
RPC Bramlage GmbH
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 RPC Bramlage GmbH filed Critical RPC Bramlage GmbH
Publication of EP2164645A2 publication Critical patent/EP2164645A2/fr
Application granted granted Critical
Publication of EP2164645B1 publication Critical patent/EP2164645B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B05B11/10—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
    • 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
    • B05B11/0005—Components or details
    • B05B11/0062—Outlet valves actuated by the pressure of the fluid to be sprayed
    • B05B11/0075—Two outlet valves being placed in a delivery conduit, one downstream the other
    • 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
    • B05B11/1028—Pumps having a pumping chamber with a deformable wall
    • B05B11/1033—Pumps having a pumping chamber with a deformable wall the deformable wall, the inlet and outlet valve elements being integrally formed, e.g. moulded
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1028—Pumps having a pumping chamber with a deformable wall
    • B05B11/1035—Pumps having a pumping chamber with a deformable wall the pumping chamber being a bellow

Definitions

  • the invention relates to a dispenser for dispensing liquid or pasty masses, comprising a mass reservoir, a head piece, a pumping chamber and an outlet valve and an inlet valve, wherein the pumping chamber is formed as a uniform pumping chamber body of a resilient plastic material and the pumping chamber body designed as an annular collar bottom mounting portion having.
  • Donors of the type in question are, for example US 3,124,275 A known and used for the portioned output of masses, wherein in the course of a pumping operation, the mass-filled pumping chamber for dispensing the mass is at least partially emptied and is refilled in the course of a return movement of the pumping triggering head piece with mass from the reservoir.
  • the enforcement of the pumping chamber to ground is controlled via an exhaust and an intake valve.
  • the outlet valve and / or the inlet valve consists of a separate, but with the pumping chamber body cooperating flat part, which rests on the pumping chamber body at least in sections vertical mobility. It is created such a valve, which can be positioned in a convenient mounting manner.
  • the flat part creates a surface seal in the area of interaction between the flat part and the pumping chamber body.
  • an opening of the thus-shaped valve by at least partially vertical displacement of the Flat part for releasing a flow path for the medium between the flat part and the pumping chamber body reachable.
  • the flat part of a resilient soft plastic material, such as a thermoplastic elastomer.
  • the invention relates to a dispenser according to the features of claim 1, in which a low-assembly configuration is achieved in that vertically assigned to the bottom attachment portion is provided via the head piece to be acted indentation. About this indentation-shaping the Bodenbefest Nathansabterrorism the pumping chamber is acted upon in the desired mounting position, so that in the course of a first operation of the dispenser with concomitant displacement of the head piece on the indentation-shaping the pumping chamber or its Bodenbefest Trentsabterrorism can be urged into the defined holding position, if they not already reached during the assembly of the pumping chamber.
  • the indentation formation in cross-section is preferably circular-ring-shaped, so that the bottom attachment section is more preferably acted upon over the entire circumference of the annular collar.
  • only a partial admission of the ring collar is possible. It proves to be advantageous in this regard, if the indentation-shaping in the course of each pumping action applied to the annular collar of the bottom mounting portion, so as to secure the mounting seat always. So can be dispensed with additional attachments of the pumping chamber body to the associated housing portion, for example by gluing or welding. It suffices, for example, a friction-fit mounting of the pumping chamber body on the housing section.
  • the invention relates to a dispenser according to the features of claim 1 or claims 1 and 2, wherein in a simple structure a low-assembly configuration thereby is achieved, that the inlet valve consists of a connected to the pumping chamber body flat body, which rests on a reservoir chamber side chamber closure part.
  • the flat body is in this case preferably in one piece, more preferably of the same material formed with the pumping chamber body, has correspondingly preferably due to the selected plastic material spring elastic properties.
  • the sealing seat for the flat body is formed directly by the storage chamber to the head end final chamber closure part. Due to the one-piece design of flat body and pumping chamber body assembly is simplified in particular with regard to the design of the intake valve. There is no loose piece forming the inlet valve. By inserting the pumping chamber body, the inlet valve is created at the same time.
  • the outlet valve is formed as a collar of a hat-shaped in cross-section valve body, so on, in particular in total in use position in overhead position arranged hat-shaped valve body, the flat part-shaped exhaust valve hatch-like radially protruding.
  • this collar which forms the outlet valve, is preferably thinned radially outward in the manner of a lip so as to provide sufficient mobility for opening and closing the valve, and this further under elastic deformation.
  • the valve collar is in the closed position while resting on the pump body in the Pre-tensioned closure position. This bias is preferably given solely by the elastic properties of the valve collar.
  • the valve body forming the outlet valve is formed from polyethylene or a thermoplastic elastomer.
  • the outlet valve can be formed in the embodiment of the head piece of the dispenser as a plastic injection molded part, for example, in two-component injection molding on the head piece.
  • Preferred is an embodiment in which the head piece has an inwardly projecting latch formation, for the latching of the outlet valve, in particular of the valve body forming the outlet valve.
  • the snap-in holder is further selected so that it withstands the pressure occurring in the pumping chamber in the course of actuation of the dispenser, in particular the negative pressure which occurs when the head piece is returned. Also a bonding or welding of exhaust valve or valve body and head piece are possible.
  • the vertical extent of the exhaust valve or the valve body forming the outlet valve corresponds to the radius, in particular the outer radius of the exhaust valve or more, such as 1 times to 2 times, further for example 1.1 times to 1 , 5 times.
  • the degree of vertical extension of the outlet valve or valve body is adapted to the pump stroke of the head piece; more preferably corresponds approximately to the stroke of the head piece.
  • the inlet valve is a flat part connected via spring webs to an inner wall of the pump chamber body.
  • This flat part is preferably in one piece, formed of the same material with the pumping chamber body, further consists in a preferred embodiment as the pumping chamber body of a thermoplastic elastomer or Polyethylene.
  • elastic properties are established, in particular of the flat part forming the inlet valve, vertical mobility of the inlet valve being provided by the connection via the spring webs. The latter can be oriented strictly radially to the flat part, for the connection of the same to the pump chamber inner wall.
  • the spring bars extend in a plan view of the flat part ring-like with each end-side connection to the pumping chamber or to the flat part, according to this embodiment, a sufficient vertical mobility of the flat part for displacement thereof is given in the inlet valve opening position.
  • the flat part is further preferably shaped like a plug in cross-section, for cooperation with a correspondingly formed sealing seat. Due to the plug-like design, a secure sealing of the inlet valve is achieved, in particular in the course of a mass dispensing brought about by dispensing actuation. The here prevailing in the course of dispensing operation, acting on the flat pressure acts due to the plug-like design of the flat part low on the intake valve closure position. In this context, it proves to be advantageous if the flat part cooperates with a passage opening formed in the chamber closure part, which chamber closure part covers the dispenser space storing the mass to be dispensed.
  • the flat part is conically shaped in cross-section, more preferably pointing conically tapering to the sealing seat, which form fit fit, further is also correspondingly conical.
  • the flat part in the dome-shaped cross-section designed approximately in the form of a gehöhlten hemisphere, further optionally with a flat part-like support portion on which the dome is formed. This proves to be advantageous in that even with a decentralized deviation of the inlet valve forming the flat part with respect to the sealing seat, a secured valve closure is still given.
  • the input valve is offset relative to the placement plane of the bottom attachment portion, more preferably vertically offset in the direction of the dispenser head, so that correspondingly the bottom attachment portion completely covers the area of the input valve.
  • the input valve may be arranged approximately at half the vertical height of the floor mounting portion.
  • the pumping chamber body is designed bellows-like, in which connection it is further preferred that the bottom fastening section of the pumping chamber body tapers diameters above the connection of the inlet valve, so on, in particular with respect to the inside diameter of the floor fastening section.
  • the tapered inner diameter corresponds to 0.5 to 0.95 times, further for example 0.75 to 0.85 times the unreduced inner diameter in the region of the placement plane of the floor attachment section. It proves to be advantageous in this regard that the diameter-reduced internal diameter of the floor mounting section above the connection of the inlet valve is dimensioned larger than the largest diameter of the passage opening to be closed by the inlet valve.
  • the pumping chamber wall widens conically, so in particular in the relaxed position of the pumping chamber, which corresponds to the non-actuated position of the dispenser.
  • This extension region of the pumping chamber wall runs in the depressed state, that is to say horizontal or virtually horizontal when the dispenser headpiece is actuated.
  • the invention further provides that, above the widening area and in the vertical projection onto the widening area in the depressed state of the pumping chamber wall, a folding of the latter builds up.
  • This folding of the pumping chamber wall above the widening area is also established in the unloaded state of the pumping chamber wall, although the folding in this position is not necessarily formed in vertical projection onto the widening area. Rather, in the relaxed position of the pumping chamber wall, the folding is provided so that it becomes increasingly radially enlarged with respect to the extension area.
  • the dispenser for vertically displaceable head piece is guided in a further preferred embodiment of the chamber closure part, including the latter, for example, has a double-walled, circumferential guide for the foot portion of the head piece. Between the walls of the chamber closure part an annular space is accordingly given, in which the head engages vertically displaceable.
  • An especially favorable mounting solution is achieved in that an inner guide for the head piece is given solely by the chamber closure part radially aligned ribs. It is provided correspondingly no radially inner, circumferential wall. Rather, the inner support is given by a plurality of evenly distributed over the circumference arranged ribs whose vertical extent is adapted to the displacement path of the head piece.
  • valve seat is formed cone-shaped.
  • the conical tip is in this case associated with the opening of the valve disc such that, in the valve closing position, the opening edge of the valve disc comes sealingly against the peripheral, descending flank of the conical valve seat.
  • the valve seat of the valve disc may also be formed dome-shaped, so on, for example in the form of a hollowed hemisphere whose zenith is substantially associated with the opening of the valve disc.
  • the opening edge occurs the valve disc sealing against the Kalottenmantel
  • the indentation formation cooperates with the transition region between inlet valve and pump chamber wall. Accordingly, the indentation formation in the immediate vicinity of the mass entry region into the pumping chamber acts on the bottom attachment section.
  • the latter can furthermore have an engagement surface, which is adapted to the effective end of the indentation formation, and from which the pump chamber wall further projects, preferably radially outwards.
  • the acting free end of the indentation formation is spaced according to the vertically viewed material thickness of the bottom attachment portion to the housing-side footprint of the bottom attachment portion.
  • the indentation-molding is formed of the same material with the head piece, so further preferably prepared as a molded part by injection molding.
  • a plastic for example, polyethylene is used, while the pumping chamber consists of a resilient soft plastic material, such as a thermoplastic elastomer.
  • a portion of the pumping chamber body has, viewed over an axial length, a changing wall thickness, wherein the axial length of the pumping chamber body further corresponds to a multiple of its wall thickness.
  • the pumping chamber wall thus exhibits wrinkle-free overall in the relaxed state Design of the pumping chamber body to a defined wall thickness minimization zone, in which at serving to output the mass lowering the head piece under the action of the pumping chamber wall, a defined deformation of the wall is achieved.
  • the wall thickness changes in tenths of a millimeter range, so on in the range of 5 to 70% of the strongest wall thickness.
  • a wall thickness difference of, for example, 0.1 mm to 0.4 mm is provided only in the area surrounding the pump chamber wall which can be filled with mass, this with a maximum wall thickness of 0.9 mm to 1.5 mm.
  • the pumping chamber body in a middle region has a smaller wall thickness than in at least one of the end regions, which further supports the targeted deformation of the pumping chamber wall in the course of the pumping process.
  • the pumping chamber body has an axial length which corresponds to 0.9 to 2 times the width of the pumping chamber body measured transversely thereto.
  • the axial length and the width of the pump chamber body measured transversely thereto relate solely to the mass-receiving area.
  • the pumping chamber has an inner contour which has a continuously widening section and a continuously tapering section, wherein the sections approach and leave in the course of a pumping operation.
  • the input valve consists of a valve disc with a central opening.
  • This valve disc is in a preferred embodiment with a pump chamber body uniformly connected flat body.
  • the valve disk is connected to the pump chamber body in a circumferential manner, preferably radially outward, forming a central opening for the throughput of liquid or pasty mass in the valve opening position.
  • the chamber closure part is associated with the central opening of the valve disc is closed, radially outwardly but this has a passage opening.
  • This passage opening can be designed, for example, circumferentially slit-shaped. Alternatively, a plurality of such passage openings may be provided, which are arranged radially outside the central opening of the valve disc.
  • the passage opening is arranged radially outside of the valve disk-side opening in the region of the cone flank in a further preferred embodiment, covered by the closed region of the valve disc at least in the valve closure position.
  • the chamber closure part continues on the supply chamber side into an intake pipe. This preferably extends from the inlet valve region to the bottom of the reservoir, this further leaving a distance.
  • the input valve consists of a valve disc with a central opening.
  • This valve disc is in a preferred embodiment, one piece with the pumping chamber body and materially connected, annular closure body.
  • the flat part rests on the inside on a pipe section connected to the head piece.
  • This pipe section provides a centering of the flat part, further optionally also a support in the vertical direction or in Eindrückraum of the pumping chamber body.
  • the pipe section is connected to the head piece indentation-shaping.
  • the pump chamber body associated with the flat part at least partially extends at a distance from the pipe section, preferably at a radial distance.
  • the flat part can be opened and closed by the flat part in the valve closing position and closable channel sections, which can be released by the pressure-dependent vertical mobility of the flat part seal.
  • the flat part on the inside passing through the pipe section Stauerausformonne sitting on top of the flat part from the top and this burdened against the sealing seat on the pumping chamber body.
  • the support formations are in this case preferably distributed over the circumference of the pipe section, more preferably evenly distributed viewed in the circumferential direction. Between the Stauerausformungen space is left for vertical deflection of flat sections, which corresponds to a valve opening. Thus, the Stauerausformeptept in the overreach area are radially smaller than the flat part. Furthermore, it is preferably provided in this regard that the radial extent of the support formations approximately corresponds to the radial distance dimension between pump chamber body and pipe section in the flat part assignment region.
  • the pipe section is surrounded by an annular discharge chamber communicating with the pumping chamber in the valve open position of the exhaust valve.
  • this output chamber protrude the pipe section side Stauerausformonne.
  • the support formations are radially smaller than the flat part in an overlapping region assigned to an output channel and radially equal to or larger than the flat part in a circumferentially adjoining overlapping region. Accordingly, prevent the radial enlarged Stauerausformonne in which the output channel subsequent Matterbegriffs Scheme the flat part of a valve opening-like displacement.
  • the flat part section Only in the region assigned to the dispensing channel is the flat part section able to deflect in the manner of a valve opening as a result of the radially smaller support formations, so as to fill only the region of the dispensing chamber assigned to the dispensing channel.
  • the radially expanded Stauerausformonne accordingly form a circumferential boundary of the output channel associated output chamber.
  • the Stauerausformonne are further formed by radially projecting from the pipe section, vertically oriented ribs, which are smaller depending on the embodiment either in radial extent than the flat part or for circumferentially limiting the output chamber at least partially radially equal to or larger than the flat part.
  • the support formations formed radially equal to or larger than the flat part may be formed by a separate insert part which radially surrounds the tubular section. This is more preferably held displaced on the pipe section.
  • the insert part for example, in plan form of a circular ring section, further example, with the output channel facing circular opening, which includes an angle of about 30 ° to 45 ° in plan.
  • the flat part is formed as a circular ring body, this with a circular ring opening, the diameter of which preferably corresponds to the diameter of the pipe section or the indentation molding below the Stützausformept. Accordingly, the pipe section passes through the annular body centrally under sealing completion of the pipe section through the flat part.
  • the pump chamber body forms on the upper side a bearing surface for the flat part, so on according to a sealing seat.
  • This support surface may be formed in the radial extent equal to or greater than the radial extent of the flat part.
  • a flat, transverse to the donor axis aligned support plane is possible.
  • the support surface may also be concave or convex in cross-section.
  • an embodiment is preferred in which the radial extension of the support surface is smaller than the radial extent of the flat part, this being achieved, for example, by a rib or the like formed in the region of the support surface by an underside of the flat part which grows out of the support plane.
  • individual ribs can be distributed over the circumference. It is also possible a continuous, annular in plan view rib. Lying on this rib, the flat part is held under prestress. Further, by such an embodiment of the system pressure in the sealing seat - in particular against the rib-increases, which accordingly provides increased tightness.
  • the flat part is arranged within an outer, vertically extending output channel wall, which latter is preferably arranged concentrically to the pipe section or to the indenting formation.
  • a dispenser of the type in question in which the pumping chamber body is elliptical in a longitudinal cross-section, with a contrast projecting outwardly, but rooted in the pumping chamber pressure collar, is further provided that the pressure collar over a, an angle of 45 ° to Connected 120 ° with a local tangent to the pumping chamber wall enclosing transition wall to the pumping chamber wall.
  • this transitional wall may further include an angle of 75 to 90 degrees with the tangent.
  • This results in a transitional wall which is formed from a cone section. Along the diameter-reduced end of the cone, the transitional wall is roughened in the same way in the pump chamber wall, while the diameter-extended cone end region carries the pressure collar.
  • the pressure collar itself is furthermore preferably formed in the manner of a pipe section, with a pressure collar center axis which accommodates the center axis of the entire pump chamber body.
  • the transition wall which grows out of the pump chamber wall is furthermore preferably designed such that the pressure collar carried thereby is located in a vertical projection outside the pump chamber wall.
  • the inner diameter of the pressure collar is chosen to be greater than the outer diameter of the opposite ground mounting portion. For example, a ratio of pressure collar shower blade to bottom mounting section diameter of 1.2: 1 to 2: 1, more preferably about 1.7: 1 is selected.
  • annular lip of the outlet valve acts with a tubular or rod-shaped wall portion of the Head piece sealing together, more preferably, the thus designed sealing seat is formed from the indentation-molding.
  • the dispenser is suitable for dispensing different liquid or pasty masses, such as cosmetic products, care and cleaning products for hair and / or skin, such as cream, shampoo, hair dye, sunscreen or water / oil emulsions with, for example, UV Light-protection filter pigments among others.
  • products and compositions as they are published by way of example in the following documents: DE 10 2005 019 549 A1 . DE 102 37 737 A1 . DE 10 2004 047 282 A1 . DE 69917 277 T2 . DE 69818 034 T2 . DE 60115 652 T2 . DE 10 2005 020 071 A1 . DE 33 02 921 . DE 697 00 946 T2 .
  • US 5,855,878 . US 5,730,966 and US 5,674,509
  • a first embodiment of a dispenser 1 This is essentially composed of a hollow cylindrical mass storage space 2 with a coupled thereto head 3, which latter is covered in the illustrated non-use position of a cap 4.
  • the molded parts of the dispenser 1 consist predominantly of a plastic material, such as polyethylene, and are produced by injection molding.
  • a pump chamber body 5 described below. This is made of a soft plastic, for example of an elastomer, TPE or a silicone material.
  • the container 6 surrounding the storage space 2 has a container bottom 7 which is essentially closed (if appropriate, except for a venting bore, not shown).
  • the container opening points in the direction of the head piece 3.
  • a follower piston 8 is positioned, via which the mass M to be dispensed is transported in the direction of the head piece 3.
  • a chamber closure part 9 This is initially pot-shaped with an inner part of a part height on the container wall adjacent annular wall 10 and a first substantially perpendicular to one Dispenser axis x aligned bottom 11.
  • the chamber closure member 9 is inserted from above into the opening of the container 6 by displacing the trapped between bottom 11 and the mirror of the filled mass M air over axially directed short inside wall side of the container 6 provided grooves 12.
  • the chamber closure member 9 locked in the region of the annular wall 10 with the container wall.
  • a radially about halfway up the axial height of the annular wall 10 projecting outward annular collar 13 rests on the facing circular end face of the container wall.
  • the bottom 11 bulges centrally oriented on the axis x in the direction of the head piece 3, to form a central dome.
  • This is initially shaped tubular section-shaped with a circular cross-section.
  • This pipe section 14 is seated on an elevation 15 formed from the base 11, the elevation dimension considered in the axial direction corresponding approximately to the material thickness of the bottom 11.
  • the outer diameter of the pipe section 14 corresponds approximately to the vertical or measured in the axial direction distance between the head piece 3 facing end face of the pipe section 14 and the storage space 2 facing bottom of the bottom eleventh
  • the diameter of the cap portion 17 corresponds approximately to 0.3 times the outer diameter of the pipe section 14.
  • the cap portion 17 is directed towards the side and the head piece 3 towards closed.
  • the cap opening points downwards in the direction of the storage space 2.
  • the height of the cone section 16 and the cap section 17 measured in the axial direction corresponds approximately to the height of the pipe section 14 measured in the same direction.
  • passage openings 18 are uniformly distributed over the circumference of the wall formed. These are positioned so that they partially break the wall of the cone section 16 and partially the connecting the cone section 16 to the pipe section ceiling wall.
  • the bottom 11 is lower side, d. H. facing the reservoir 2 is provided with an axially aligned annular collar 19, the axial length of which viewed from the bottom bottom corresponds to about three times the material thickness of the bottom 11 and the annular collar 19.
  • the inner diameter of the annular collar 19 further corresponds to about 0.5 times the container outer diameter.
  • the follower piston 8 is in cross section substantially adapted to the mating contour of the bottom 11 and the protruding from this dome except for the tip-side cap portion 17, so that a nearly complete emptying of the storage container 6 with completely displaced piston 8 as shown in FIG Fig. 6 is reachable.
  • the head piece 3 is substantially pot-shaped in overhead position, d. H. pointing with the pot opening down in the direction of the chamber closure part 9.
  • the Kopfzhoudung 20, which is the same as the container 6 rotationally symmetrical with respect to the axis x, engages in the upwardly open pot chamber of the KammerverBankers 9, under support of the head wall 20 inside a wall on the annular wall 10 of the chamber closure member 9 a guide of the head piece 3 is reached at a vertical displacement along the axis x.
  • the ceiling in cross section to a perpendicular to the axis x at an acute angle extending ceiling of the head piece 3 forms the upper side of an actuating surface 21 from.
  • This has an inner diameter which essentially corresponds to the outer diameter of the chamber closure part-side pipe section 14.
  • Head wall 20 and indentation 22 are aligned concentrically with respect to the axis x, wherein the axial length of the downwardly formed, ie in the direction of the chamber closure member 9 and its centrally shaped dome open formed indentation 22 about a 1, 4 to 1.8 times the outer diameter of this shape corresponds.
  • the free end of the indentation-shaping 22 is provided in the illustrated embodiment, the outer wall side with a circumferential chamfer.
  • the indentation formation 22 extends from the root area on the underside of the top cover a concentrically arranged discharge chamber 23. This has an approximately half the axial height relative to the formation 22 and merges into a substantially radially outwardly projecting outward output channel 24. This extends from the output chamber 23 adapted to the slope of the actuating surface 21 with reference to the representations obliquely above, for the end formation of a discharge opening 25.
  • a foam valve 26 may be arranged in the region of the discharge channel 24, associated with the discharge opening 25, as shown.
  • the arrangement of such a foam valve 26 is not mandatory.
  • the dispenser 1 can also be operated with a free dispensing channel 24. In addition, for example, the arrangement of a self-closing valve in the output channel 24 is possible.
  • the dispensing chamber 23 and the storage space 2 are coupled via a pumping chamber 27. This is formed by the pumping chamber body 5 made of resilient plastic material.
  • the pump chamber body 5 initially has a bottom attachment section 29 formed as an annular collar in the base area.
  • This is cuff-shaped, rotationally symmetrical with respect to the axis x shaped and has an inner diameter and an axial height in the inner region, which is adapted to the outer diameter and the axial height of the pipe section 14 of the chamber closure part 9.
  • the bottom fastening section 29 internally clamps the pipe section 24 in a clamping manner, this further under seating of the end ring edge pointing downwards in the direction of the chamber closure part 9 on the plane of the elevation 15 which adjoins the pipe section 14 radially outward.
  • the floor fastening section 29 has a radial direction Strength, which corresponds to about two times the material thickness of the chamber closure part 9, in particular of the pipe section 14.
  • a relevant radial material thickness of about 1.8 mm is provided, this further at an axial extent a of the bottom mounting portion 29 of 6.3 mm in the illustrated embodiment.
  • the bottom mounting portion 29 circumferentially grows a pumping chamber 30 from.
  • the peripheral root region of the pump chamber wall 30 is assigned to the radially outer region of the bottom attachment portion 29, this further leaving a circular in a vertical projection, a flat application surface 31 on the contact surface, in the direction of
  • the radially inner annular contour of the loading surface 31 lies in a vertical projection approximately on the peripheral line of the pipe section 14, while the radially outer circular ring line of the loading surface 31 is formed in a vertical projection approximately in the center of the Bodenbefest onlysabrough wall.
  • the pumping chamber wall widens continuously, starting from the root area at the bottom attachment section 29, to a maximum, from which the pumping chamber wall 30 in turn continuously tapers. It results in a longitudinal section as shown in FIG Fig. 1 in an unloaded basic position an elliptical, moreover approximately tulip-shaped form with a Bodenbefest Trentsabterrorism 29 associated extended portion 32 and a subsequent thereto, the head piece 3 facing tapered portion 33rd
  • the pumping chamber wall 30 has, assigned to the root area, a wall thickness b of slightly more than 1 mm, for example 1.3 mm. This wall thickness reduces towards the middle area, d. H. towards the transition region from the widening section 32 to the tapered section 33 into a wall thickness c of 0.8 mm in the exemplary embodiment. This reduced wall thickness c is substantially maintained over the entire tapered portion 33.
  • the widening section 32 merges into the outer wall of the floor fastening section 29 on the outside of the wall via a convex configuration viewed from the outside.
  • the pumping chamber wall 30 carries, uniformly of material and in one piece, a funnel-shaped transition wall which widens starting from the pumping chamber wall 30 34. This includes in the illustrated embodiment with a local tangent T an angle alpha of about 80 °.
  • This transitional wall 34 carries an annular annular pressure collar 35.
  • the pressure collar outer wall is located in a vertical projection outside the pumping chamber wall 30, wherein further the radial thickness of the pressure collar 35 is selected to be slightly lower than the measured in the same direction material thickness of the bottom mounting portion 29, so on in the illustrated Embodiment corresponding to about 1.3 mm.
  • the measured in the axial direction height of the pressure collar 35 is dimensioned in the illustrated embodiment with about 5.4 mm.
  • the pressure collar 35 surrounds the pipe-section-shaped outlet channel wall 36 of the dispensing chamber 23 in the region of a correspondingly shaped annular step 37.
  • the pressure collar 35 is clamped in the annular step 37.
  • an inwardly pointing inlet valve E in the form of an annular lip 38 is integrally formed in one piece and in one piece. This lip 38 is viewed convexly in the direction of enforcement r of the mass M and is pointed in the direction of the inwardly pointing free end. The lip 38 bears sealingly against the circumferential wall of the rotationally symmetrical cap portion 17 with the pointed circumferential lip region.
  • an outlet valve A is integrally formed integrally on the pumping chamber body 5. Also, this is annular as a lip 39 formed, which Roots in the transition region of the pumping chamber 30 to the transition wall 34 and initially approximately the curvature of the tapered portion 33 of the pumping chamber wall 30 receives.
  • the free ausspitzende lip area is sealingly against the rotationally symmetrical outer wall of the indentation-forming 22, which indentation-forming 22 at the same time forms the sealing seat.
  • the exhaust valve A is viewed in the mass enforcement direction r convexly curved.
  • the lip 39 of the outlet valve A projects into the region of the dispensing chamber 23, but ends at an axial distance from the free end face of the pressure collar 35.
  • the pumping chamber wall 30 has, over its length considered in the axial direction, different radii defining the curvature.
  • a radius larger than the tapering section 33 is provided, for example a radius of 19 mm with respect to a radius of 15.8 mm.
  • the indentation formation 22 protrudes through the dispensing chamber 23 into the pumping chamber 27, this in a basic position according to FIGS Fig. 1 and 2 with vertical spacing of the downwardly facing free end of the indentation formation 22 to the associated loading surface 31 of the bottom attachment section 39.
  • Pumping chamber wall 30, transition wall 34, pressure collar 35, bottom mounting portion 29 and the valve lips 38 and 39 are integrally formed of the same material.
  • the pumping chamber body 5 has an axial length 1, which corresponds approximately to the width p in the unloaded basic position, wherein the relevant lengths and widths alone affect the mass receiving area.
  • width is to be understood as meaning the dimension in the region of the maximum pump body wall diameter and, with axial length, the axial distance between loading surface 31 and the tip region of the outlet valve lip 39.
  • the mass M present in the pumping chamber 27 and the dispensing chamber 23 is expressed via the dispensing channel 24, with the lip 39 of the outlet valve A displaced into an open position.
  • the lip 38 of the inlet valve E is strengthened pushed its sealing seat to the cap portion 17.
  • the hollow cylinder forming the indentation formation 22 can be plug-closed, taking into account the dome of the chamber closure part 9 projecting into the pipe section in the completely lowered position. Further, further functional parts can also be accommodated in the pipe section forming the indentation formation 22.
  • the pumping chamber 27 or the pumping chamber wall 30 is coated on the inside, for example by dipping or spraying.
  • Fig. 7 another embodiment is shown. This differs from the embodiment described above only by the design of the container 6.
  • the chamber closure part 9 is of the same material, integrally formed with the container wall.
  • the container bottom 7 is formed separately and can be fixed to the container 6 via a latch 40.
  • the container 6 is filled from below, after which the follower piston 8 is inserted, this by displacing the air trapped between the mirror of the mass M and the facing piston surface via the channels 12 provided on the wall side as well.
  • a further embodiment of the dispenser 1 is shown, which is substantially identical in shape according to the embodiments described above, in particular according to the first embodiment. Only with regard to the dispensing valve A and the concomitant design of the pumping chamber body 5 is a significant difference in front.
  • the inlet valve E is similar to the previously described embodiments as a lip seal, integrally formed from the pumping chamber body 5 is formed.
  • the pumping chamber body of the third embodiment has, starting from the inlet valve-side loading surface 31, an initially widening section 32 which continuously merges into a section 33 tapering upward in the direction of the indentation formation 22. This ends in a thickened ring section 41 having an inner diameter which corresponds to the outer diameter of the formed as a pipe section 42 indentation formation 22. Radially outwardly, the ring portion 41 carries an approximately horizontal, that is transversely to the donor axis x aligned transition wall 34, the end, as in the embodiments described above, the pressure collar 35 carries.
  • the annular portion 41 is provided in the contact region of the jacket wall of the pipe section 42 with cutouts 43.
  • six such free cuts 43 are formed uniformly spaced from one another.
  • the abutment of the ring section 41 on the lateral surface of the tubular section 42 is canceled. Accordingly, the pumping chamber body 5 or the annular section 41 extends in the region of the free cuts 43 at a radial distance from the associated lateral surface of the tubular section 42. Passage openings for the mass M to be dispensed are thereby cut out.
  • the cutouts 43 are covered by a flat part 44 forming the outlet valve A.
  • the latter is formed as a circular ring body and consists for example of a same material as the pumping chamber body 5, so on, for example, of a thermoplastic elastomer.
  • the flat part 44 is centrally penetrated by the tube section 42 or by the indentation formation 22, this under sealing cooperation between the circular ring inner surface of the flat part 44 and the lateral surface of the tube section 42.
  • the flat part 44 rests on the upper side of the transition wall 34 of the pumping chamber body 5.
  • the transition wall 34 on the upper side initially from radially inward starting plane, that is aligned aligned in a plane transverse to the dispenser axis x.
  • the radial extension of this flat annular bearing surface 45 is chosen smaller than the radial extent of the flat part 44 between the inner and outer circular edge.
  • the flat support surface 45 goes radially outward into a slope, which ultimately opens into the pressure collar 35.
  • the flat part 44 is loaded by support sections 47 against the support surface 45.
  • This Stauerausformonne are rib-like shape, rectified extending to the donor axis coat outside on the pipe section 42 is formed.
  • eight such Stauerausformonne 47 are uniformly distributed over the circumference of the pipe section 42 is provided. These extend in the vertical direction, starting from the loading surface of the flat part 44 to the underside of the actuating surface 21st
  • the support formations 47 have a radial extension, which is considered from the lateral surface of the tube section 42 and corresponds to that of the free cuts 43 in the region of the annular section 41.
  • the mass M present in the pumping chamber 27 and the dispensing chamber 23 is expressed via the dispensing channel 24, with partial vertical displacement of the flat part 44 forming the outlet valve A in the region of the bearing surface 45 As well as in the region of the rib 46. Accordingly, the mass M passes through the free cuts 43 between pipe section 42 and pumping chamber body 5 and ring section 41 under the flat part 44 radially outward into the discharge chamber 23rd
  • the flat part 44 After releasing the head piece 3 and a corresponding lack of pressurization, the flat part 44 is automatically in the sealing position according to the 10 and 11 back. The sealing effect is supported by the resulting in the course of recovery suction within the pumping chamber.
  • FIGS. 14 to 17 shown further execution forum corresponds with the exception of the configuration of the intake valve E substantially the third embodiment according to the representations in the Fig. 8 to 13 ,
  • the input valve E is here formed by a flat body 48, further in the form of a valve disc 49.
  • This is uniform material, formed integrally with the pumping chamber body 5, further extends transversely to the donor axis x within the pumping chamber body 5.
  • the valve disc 49 is on the pumping chamber body 5 of Beaufschlagungs character 21 associated positioned, forms together with this together a common, the indentation-forming 22 facing plane.
  • the central valve disc 49 is provided with a circular opening 50. This has a diameter which corresponds approximately to half the inner diameter of the indentation formation 22.
  • the valve seat is formed by the central tube section 14 of the chamber closure part 9. From the cylindrical tube section 14, which engages in the bottom attachment section 29 of the pumping chamber body 5, a cone-shaped roof section 51 directed towards the valve disc 49 emerges. The cone tip protrudes in the valve closure position in the opening 50 of the valve disc 49 a.
  • the peripheral edge of the opening 50 sits in the valve closure position sealing on the conical surface of the roof portion 51.
  • valve seat forming zone of the roof section 51 Radially outside this central, the valve seat forming zone of the roof section 51, this is provided with through holes 52. These are in the valve closure position covered by the closed, annular portion of the valve disc 49th
  • valve disc 49 Due to the one-piece, uniform material configuration of the valve disc 49 with the pumping chamber body 5, the valve disc 49 corresponding elastic properties.
  • the valve disc 49 In the output situation as shown in Fig. 15 the valve disc 49 is pressed with its opening edge against the cone-shaped roof section 51.
  • the valve disc 49 as shown in FIG Fig. 17 lifted from the valve seat, whereupon a Masseströmungsweg results through the through holes 52 of the roof portion 51 and the valve disc side opening 50 for refilling the pumping chamber body 5.
  • valve disk 49 inverts in the direction of the pump chamber body cavity.
  • the Fig. 18 to 20 show an embodiment which also on the according to the representations in the Fig. 8 to 13 based.
  • This is a dispenser 1 for dispensing liquid mass M.
  • This is received in a container 6, which is fastened via a screw 53 to the head piece 3.
  • the chamber closure part 9 is provided with a corresponding internal thread 53.
  • the head piece 3 of the dispenser 1 is comprised of a wall section 55 of the chamber closure part 9 aligned coaxially with the dispenser axis x, such that a displaceability of the head piece 3 in the axial direction can be achieved.
  • the chamber closure part 9 has an intake manifold 56 on the supply chamber side. This is in the illustrated embodiment one end plugged in the central tube portion 14 of the chamber closure member 9 and extends while leaving a distance to the container bottom 7 of the here piston-free container. 6
  • FIGS. 21 to 24 show a further embodiment of a dispenser 1 of the type in question.
  • This is also composed essentially of a hollow cylindrical mass storage space 2 with a coupled thereto head 3, which latter in the in FIG. 21 illustrated non-use position is covered by a cap 4.
  • the container bottom 7 is made equal to the first embodiment.
  • a follower piston 8 is positioned in the storage container 6, via which the mass M to be dispensed is transported in the direction of the head piece 3.
  • the follower piston 8 is provided with a conically tapered elevation 28. This merges into a central, perpendicular to the donor axis x aligned flat area, which in turn carries a central in the direction of the head piece 3 extending cylindrical mandrel 57.
  • the mass M facing surface of the follower piston 8 is completely closed.
  • the first upwardly open container and thus filled from above with mass M storage space 2 is covered by a chamber closure part 9.
  • This is initially pot-shaped with an inner part over a partial height on the container wall adjacent annular wall 10 and a first substantially perpendicular to the Donor axis x aligned bottom 11.
  • the chamber closure member 9 takes on the contour of the follower piston 8 substantially, correspondingly has a central elevation 58, which merges into a central, perpendicular to the donor axis x flat area.
  • This flat region carries a hollow-cylindrical pipe section 14 with an extension adapted to the vertical height of the piston-side mandrel 57.
  • the pipe section 14 forms a central passage opening 18.
  • the chamber closure part 9 Facing away from the storage space 2, the chamber closure part 9 carries integrally molded ribs 59.
  • a plurality of ribs 59 arranged uniformly over the circumference of the chamber closure part 9 are provided, so on in the exemplary embodiment shown, twelve such ribs 59.
  • the radially outwardly facing end faces of the ribs 59 run parallel and at a radial distance from the annular wall 10 of the chamber closure part 9, according to this arrangement, a circumferential annular gap 60 results between the ribs 59 and the annular wall 10. In these dives the foot-side end the head wall 20, whereby the latter is guided radially outwardly through the annular wall 10 and radially inwardly through the ribs 59.
  • the outer diameter of the pipe section 14 in the illustrated embodiment corresponds approximately to the vertical distance between the underside of the base 11 facing the storage space 2 and the flat portion section of the chamber closure part 9 carrying the pipe section 14.
  • the head piece 3 is essentially pot-shaped in the overhead position, that is to say with the pot opening facing downwards in the direction of the chamber closure part 9.
  • the Kopfzhoudung 20, which is the same as the container 6 is rotationally symmetrical with respect to the axis x, engages in the annular gap 60, wherein a guide of the head piece 3 is achieved in a vertical displacement along the axis x.
  • the cross-section to a perpendicular to the axis x at an acute angle extending ceiling of the head piece 3 forms the upper side of the actuating surface 21 from.
  • This has an inner diameter, which essentially corresponds to the outer diameter of the chamber closure part-side pipe section 14.
  • the head wall 20 and the support molding 61 are aligned concentrically with respect to the axis x, wherein the axial length of the downwardly formed, ie in the direction of the chamber closure member 9 and its centrally shaped tube portion 14 formed support molding 61 about the 0th , 8 to 1.0 times the outer diameter of this shape corresponds.
  • the free end of the support formation 61 is circumferentially radially tapered on the outer side of the wall, in which radially tapered region a circumferential latching formation 62 is formed.
  • the holding formation 61 passes through a concentrically arranged dispensing chamber 23. This passes into an output channel 24 projecting outwards in a substantially radial direction. Starting from the dispensing chamber 23, this extends with respect to the slope of the actuating surface 21 with reference on the representations obliquely above, for the end-side formation of a discharge opening 25th
  • the dispensing chamber 23 and the storage space 2 are coupled via a pumping chamber 27.
  • This is formed by a pumping chamber body 5 made of elastic plastic material.
  • the pumping chamber body 5 has, according to the embodiments described above, first in the base region a bottom attachment section 29 formed as an annular collar, which is shaped like a sleeve, rotationally symmetrical with respect to the axis x.
  • the floor mounting portion 29 internally clamps the pipe section 24 by clamping, this further by seating the downwardly directed in the direction of the chamber closure member end ring edge on the radially outwardly adjoining the pipe section 14 level of the increase 53.
  • the resulting, perpendicular to the dispenser axis x aligned pleating plane is provided with the reference symbol S.
  • the bottom attachment portion 29 extends vertically upwards, the tube portion 14 projecting in the direction of the head piece 3, wherein the vertical Matterragschreib on the opening plane of the Passage opening 18 of the pipe section 14 corresponds to approximately one third of the total vertical extent of the floor mounting portion 29.
  • An inlet valve E is connected to the inside of the wall by means of three spring webs 63, which are distributed uniformly over the circumference, over the region of the bottom attachment section 29 that vertically overlaps the pipe section 14. This is formed as a flat portion 64 with a downwardly in cross-section, the passage opening 18 attributable to plug or cone-like design.
  • the one end of the wall inside the pump chamber wall 30 rooted webs 63 extend annular ring portion and wear the other hand, the flat portion 64, whereby the flat portion 64 is given a relation to the bottom mounting portion 29 vertical mobility.
  • the diameter and the plug-like cross-sectional configuration of the flat part 64 is adapted to the contour and the diameter of the passage opening 18, whereby the corresponding conically vertically upwardly widening wall of the passage opening 18 forms a sealing seat for the flat part 64 (see. Fig. 25 ).
  • connection of the input valve E further extending portion of the bottom mounting portion 29 tapers relative to the seating plane S associated base portion of the bottom mounting portion 29 diameter moderately. This is achieved by a conical taper of the upper portion of the Bodenbefest,sabiteses 29.
  • the inner diameter d in the tapered region of the Bodenbefest,sabiteses 29 corresponds to about 0.85 times the inner diameter d of the Bodenbefest,sabiteses 29 in, the pipe section 14 comprehensive and sitting on the placement level S. Area.
  • the pump chamber wall 30 starting from the tapered area, initially widens conically at an angle of approximately 30 ° to a vertical plane to the dispenser axis x radially outward to an outer diameter which corresponds approximately to twice the inner diameter d in the seating area. Including an angle of about 90 ° extending from here a pumping chamber wall portion tends to point radially inward, at which a further step conically widened radially to an outer diameter which corresponds to about 2.5 times the inner diameter d in the contact area.
  • the pumping chamber wall 30 bears, uniformly of material and in one piece, an approximately horizontally extending transition wall 34 which carries at its end a pressure collar 35 aligned coaxially with the axis x.
  • This pressure collar 35 surrounds the tube-shaped outlet channel wall 36 of the dispensing chamber 23 in the region of a correspondingly shaped annular groove, the pressure collar 35 being clamped in the annular groove.
  • a rib 46 aligned concentrically with the axis x is provided upwards, that is to say facing the head piece 3. On this rib 46 is a free end portion of the output valve A.
  • This outlet valve A is designed in the illustrated embodiment as a valve body 65, consisting preferably of PE or TPE.
  • the valve body 65 is held in a hat-shaped position in the overhead position on the head piece 3, this by overlapping the free, cross-section tapered end portion of the support molding 61, wherein in cooperation with the Rastausformung 62 of the valve body 65 is fixed to the support molding 61.
  • valve body bottom 66 undercuts the downwardly open support molding 61, whereby the latter is closed relative to the pumping chamber 27.
  • valve body 65 is supported with a circumferential, radially projecting from the pot wall collar 67 from.
  • This collar 67 runs out radially like a lip outward, for cooperation with the pump chamber wall-side rib 46, corresponding to a flat part 44.
  • the outlet valve A is formed.
  • the mass M present in the pumping chamber 27 and the dispensing chamber 23 is expressed via the dispensing channel 24, with partial vertical displacement of the collar 65 of the valve body 65 forming the outlet valve A upward, under lifting from the rib 46. Accordingly, the mass M occurs between collar 27 and transition wall 34 of the pumping chamber 30 radially outward into the discharge chamber 23rd
  • the collar 67 After releasing the head piece 3 and a corresponding lack of pressurization, the collar 67 automatically returns to the sealing position due to the elastic properties. The sealing effect is assisted by the suction arising in the course of the return within the pumping chamber 27.
  • the flat portion 64 of the inlet valve E is raised in the vertical direction, to release the passage opening 18.
  • Mass M is nachgesogen in the pumping chamber 27 via the exposed passage opening 18.
  • FIGS. 26 to 30 show a further embodiment of the dispenser 1, which on the embodiment according to the Fig. 21 to 25 based.
  • valve body can additionally also have a disk-shaped flat part 64, on which the dome shape is injection-molded on the underside, this in the manner of an approximately hemispherical design. Shown is an embodiment in which the valve body is designed to form the dome shape as a semi-hollow ball, wherein the outer wall, associated with the edge of the upward to the pumping chamber 27 opening half-hollow ball, the connection of the spring bars 63 is made.
  • the dome-shaped inlet valve E cooperates with a correspondingly shaped sealing seat in the region of the passage opening 18. This is upwardly opening towards the valve body in a cup-shaped fashion with a radius adapted to the outer radius of the valve body dome. Correspondingly supports the dome-shaped valve body in the valve closure position with a radially encircling shell wall portion on the half-shell-shaped, centrally penetrated by the passage opening 18 valve seat.
  • a secure seal is achieved when a decentralized deviation of the flat part 64 and the valve body should be out of the axial out.
  • the dispensing chamber 23 surrounding the holding formation 61 is bounded circumferentially on the region assigned to the dispensing channel 24.
  • FIG. 29 Another alternative solution for residual volume reduction is shown in the sectional view in FIG Fig. 29 , In this the output chamber 23 delimiting and the collar 67 in the valve closure position urging Stauerausformungen 47 replaced by an insert 69.
  • This is annular segment-shaped, with an adapted to the outer diameter of the support molding 61 inner diameter.
  • the outer diameter of the insert part 69 corresponds to the outer diameter of the discharge chamber 23.
  • the annular portion insert 69 opens in plan view over an angle of about 30 ° to 45 °, for limiting the output channel 24 associated output chamber 23rd
  • the insert member 69 is wooverlagerungs- particular rotationally fixed to the support molding 61 is supported.

Landscapes

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

Claims (15)

  1. Distributeur (1) destiné à délivrer des pâtes liquides ou pâteuses (M) et qui présente une chambre (2) de réserve de pâte, une pièce de tête (3), une chambre de pompe (27) et une soupape de sortie (A) ainsi qu'une soupape d'entrée (E), dans lequel la chambre de pompe (27) est configurée comme corps unitaire (5) de chambre de pompe en matière synthétique élastique et le corps (5) de chambre de pompe présente une partie (29) de fixation de fond configurée comme collet annulaire, dans lequel en outre la soupape de sortie (A) et/ou la soupape d'entrée (E) sont constituées d'une pièce (44) séparée mais qui coopère avec le corps (5) de chambre de pompe et qui repose sur le corps (5) de chambre de pompe tout en conservant en tout cas une mobilité verticale dans certaines parties, caractérisé en ce que sur l'extrémité libre faisant face à la partie (29) de fixation de fond, la paroi de chambre de pompe (30) présente, matériellement unitaire et intégrale, finissant en s'élargissant en forme d'entonnoir depuis la paroi (30) de chambre de pompe, une paroi de transition (34) qui porte du côté de son extrémité un collet de pression (35), en ce que la soupape de sortie (A) est formé d'une pièce plate (44) et en ce que la pièce plate (44) repose du côté supérieur sur la paroi de transition (34) du corps (5) de chambre de pompe.
  2. Distributeur selon la revendication 1, caractérisé en ce que l'actionnement du distributeur se produit par un déplacement au moins partiellement vertical de la pièce plate (44) formant la soupape de sortie (A) dans la zone de la surface d'appui de la paroi de transition (34) du corps (5) de chambre de pompe et/ou en ce que il est prévu, pour être sollicitée en pression par la pièce de tête (3), une formation (22) d'emboutissage, verticalement affectée à la partie (29) de fixation de fond.
  3. Distributeur selon l'une des revendications précédentes, caractérisé en ce que la soupape d'admission (E) consiste en un corps plat (48) relié avec le corps (5) de la chambre de pompage, qui repose sur une pièce de fermeture (9) de la chambre du côté de la réserve et/ou en ce que la soupape d'entrée (E) consiste en une plaquette de soupape (49) avec une ouverture centrale (50).
  4. Distributeur selon l'une des revendications précédentes, caractérisé en ce que la soupape de sortie (A) est formée comme un collet (67) d'un corps de soupape (65) à section transversale en forme de chapeau, dans lequel, de préférence, une formation d'arrêt s'élevant vers l'intérieur de la pièce de tête (3) maintient à l'arrêt la soupape de sortie (A) et/ou, de préférence, l'extension verticale de la soupape de sortie (A) correspond au rayon de la soupape de sortie, (A) ou à plus.
  5. Distributeur selon l'une des revendications précédentes, caractérisé en ce que la soupape d'entrée (E) est une pièce plate (64) accolée à une paroi interne du corps (5) de la chambre de pompe par des tiges élastiques (63), dans lequel, de préférence, la pièce plate (64) est façonnée à section transversale en forme de bouchon, de préférence à section transversale en forme de cône ou à section transversale en forme de calotte, et/ou, de préférence, en ce que la pièce plate (64) coopère avec une ouverture de passage (18) formée dans la pièce de fermeture de la chambre (9).
  6. Distributeur selon l'une des revendications précédentes, caractérisé en ce que la soupape d'entrée (E) est agencé en décalé par rapport au plan de pose (S) de la partie (29) de fixation de fond, dans lequel, de préférence, la partie (29) de fixation de fond se rétrécit diamétralement au-dessus de la connexion de la soupape d'entrée (E).
  7. Distributeur selon l'une des revendications précédentes, caractérisé en ce que la paroi (30) de la chambre de pompe s'étend au-dessous de la connexion de la soupape d'entrée (E) de façon conique, laquelle partie d'extension (68) s'étend horizontalement dans l'état de dépression, dans lequel, de préférence, dans un état de dépression, un pliage de la paroi (30) de la chambre de pompe se constitue au-dessus de la zone d'élargissement (68) et dans la projection verticale de la zone d'élargissement (68).
  8. Distributeur selon l'une des revendications précédentes, caractérisé en ce qu'un guide intérieur pour la pièce de tête (3) est donné par des nervures orientées radialement (59) sur la pièce de fermeture de la chambre (9) et/ou en ce que le collet de pression (35) se situe dans une projection verticale à l'extérieur de la paroi (30) de la chambre de pompe (30).
  9. Distributeur selon l'une des revendications précédentes, caractérisé en ce que le siège de soupape de la plaquette de soupape (49) est de forme conique ou en forme de calotte.
  10. Distributeur selon l'une des revendications précédentes, caractérisé en ce que la formation (22) d'emboutissage coopère avec la zone de transition entre la soupape d'entrée (E) et la paroi (30) de la chambre de pompe, et/ou en ce que, de préférence, la formation (22) d'emboutissage est formée matériellement unitaire avec la pièce de tête (3) et/ou en ce que, de préférence, une partie du corps (5) de la chambre de pompe présente épaisseur de paroi (b, c) variable sur une longueur axiale (1) correspondant à un multiple de son épaisseur de paroi (b, c).
  11. Distributeur selon l'une des revendications précédentes, caractérisé en ce que le corps (5) de la chambre de pompe présente une épaisseur de paroi (c) plus réduite que dans au moins une zone d'extrémité et/ou en ce que, de préférence, le corps (5) de la chambre de pompe présente une longueur axiale (1) qui correspond à de 0,9 à 2 fois à la largeur (p) du corps (5) de la chambre de pompe mesurée transversalement à la longueur et/ou en ce que, de préférence, la chambre de pompe (27) présente un contour intérieur qui présente une partie s'élargissant en continu et une partie se rétrécissant en continu, dans lequel les parties se rapprochent et s'éloignent au cours d'une opération de pompage.
  12. Distributeur selon l'une des revendications précédentes, caractérisé en ce que la pièce de fermeture (9) de la chambre affectée à l'ouverture centrale (50) est fermée radialement extérieurement par rapport à celle-ci mais présente une ouverture de passage (52) et/ou en ce que la pièce de fermeture (9) de la chambre continue du côté de la réserve en un conduit d'admission (56).
  13. Distributeur selon l'une des revendications précédentes, caractérisé en ce que la partie plate (44) repose du côté intérieur sur une partie de tube (42) connecté à la pièce de tête (3) et/ou en ce que, de préférence, le corps (5) de chambre de pompe affectée à la pièce plate (44) s'étend en tout cas partiellement à distance de la partie de tube (42) et/ou en ce que, de préférence, la partie de tube (42) présente des formations d'appui (47), qui s'appuient sur la partie plate (44) par le haut, dans lequel, de préférence, les formations d'appui (47), dans une zone de chevauchement, sont radialement plus petite que la pièce plate (44) et/ou, de préférence, les formations d'appui (47) sont radialement plus petite que la pièce plate (44) dans une zone de chevauchement affectée à un canal de distribution (24) et sont radialement égales ou plus grandes que la pièce plate (44) dans une zone de chevauchement se raccordant périphériquement et/ou, de préférence, les formations d'appui (47) sont formées par des nervures orientées verticalement et s'élevant radialement à partir de la partie de tuyau et/ou, de préférence, les formations d'appui (47) sont formés par une pièce rapportée séparée (69), laquelle pièce rapporté (69) vient en prise autour radialement de la partie de tuyau.
  14. Distributeur selon l'une des revendications précédentes, caractérisé en ce que la partie plate (44) est formée comme un corps annulaire et/ou en ce que la pièce plate (44) est agencé à l'intérieur d'une paroi extérieure (36), et s'étendant verticalement, d'un canal de distribution
  15. Distributeur selon l'une des revendications précédentes, caractérisé en ce que le corps (5) de la chambre de pompe est formé dans une coupe longitudinale de façon elliptique, avec le collet de pression (35) en saillie vers l'extérieur envers de celui-ci et s'ancrant cependant dans la paroi (30) de la chambre de pompe et en ce que le collet de pression (35) se raccorde à la paroi (30) de la chambre de pompe par l'intermédiaire de la paroi de transition (34) enfermant un angle (α) de 45° à 135° avec une tangente locale (T) à la paroi (30) de la chambre de pompe (30).
EP08774511.3A 2007-06-29 2008-06-30 Distributeur de pâtes liquides ou pâteuses Not-in-force EP2164645B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102007030351 2007-06-29
DE102008029004A DE102008029004A1 (de) 2007-06-29 2008-06-20 Spender zur Ausgabe flüssiger oder pastöser Massen
PCT/EP2008/058357 WO2009003974A2 (fr) 2007-06-29 2008-06-30 Distributeur de pâtes liquides ou pâteuses

Publications (2)

Publication Number Publication Date
EP2164645A2 EP2164645A2 (fr) 2010-03-24
EP2164645B1 true EP2164645B1 (fr) 2014-10-29

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EP08774511.3A Not-in-force EP2164645B1 (fr) 2007-06-29 2008-06-30 Distributeur de pâtes liquides ou pâteuses

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US (1) US20100294805A1 (fr)
EP (1) EP2164645B1 (fr)
DE (1) DE102008029004A1 (fr)
RU (1) RU2010102902A (fr)
WO (1) WO2009003974A2 (fr)

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DE202021003186U1 (de) 2020-10-13 2022-03-10 Rpc Bramlage Gmbh Spender (Dispenser)

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Publication number Priority date Publication date Assignee Title
WO2020208073A1 (fr) 2019-04-09 2020-10-15 Rpc Bramlage Gmbh Distributeur de produits pâteux
US11679402B2 (en) 2019-04-09 2023-06-20 Rpc Bramlage Gmbh Dispenser for compounds in paste form
DE202021003186U1 (de) 2020-10-13 2022-03-10 Rpc Bramlage Gmbh Spender (Dispenser)

Also Published As

Publication number Publication date
US20100294805A1 (en) 2010-11-25
RU2010102902A (ru) 2011-08-10
WO2009003974A2 (fr) 2009-01-08
DE102008029004A1 (de) 2009-01-02
WO2009003974A3 (fr) 2009-06-18
EP2164645A2 (fr) 2010-03-24

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