EP0592637B1 - Produktspender mit verformbaren beutel - Google Patents

Produktspender mit verformbaren beutel Download PDF

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Publication number
EP0592637B1
EP0592637B1 EP93909029A EP93909029A EP0592637B1 EP 0592637 B1 EP0592637 B1 EP 0592637B1 EP 93909029 A EP93909029 A EP 93909029A EP 93909029 A EP93909029 A EP 93909029A EP 0592637 B1 EP0592637 B1 EP 0592637B1
Authority
EP
European Patent Office
Prior art keywords
bag
base
container
product dispenser
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 - Lifetime
Application number
EP93909029A
Other languages
English (en)
French (fr)
Other versions
EP0592637A1 (de
Inventor
Jean-Louis Gueret
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.)
LOreal SA
Original Assignee
LOreal SA
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Filing date
Publication date
Application filed by LOreal SA filed Critical LOreal SA
Publication of EP0592637A1 publication Critical patent/EP0592637A1/de
Application granted granted Critical
Publication of EP0592637B1 publication Critical patent/EP0592637B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/0055—Containers or packages provided with a flexible bag or a deformable membrane or diaphragm for expelling the contents
    • 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
    • B05B11/0027—Means for neutralising the actuation of the sprayer ; Means for preventing access to the sprayer actuation means
    • B05B11/0029—Valves not actuated by pressure
    • 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
    • B05B11/0037—Containers
    • B05B11/0039—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means
    • B05B11/0044—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means compensating underpressure by ingress of atmospheric air into the container, i.e. with venting means
    • B05B11/00446—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means compensating underpressure by ingress of atmospheric air into the container, i.e. with venting means the means being located at the bottom of the container or of an enclosure surrounding 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
    • B05B11/0005—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
    • B05B11/0097—Means for filling or refilling the sprayer
    • 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
    • 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
    • B05B11/026—Membranes 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
    • B05B11/1032—Pumps having a pumping chamber with a deformable wall actuated without substantial movement of the nozzle in the direction of the pressure stroke
    • 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
    • B05B11/1071—Two inlet valves being placed in a supply conduit one upstream of the other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2231/00—Means for facilitating the complete expelling of the contents
    • B65D2231/001—Means for facilitating the complete expelling of the contents the container being a bag
    • B65D2231/002—Means for facilitating the complete expelling of the contents the container being a bag comprising strips forming channels or liquid passageways
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2583/00—Containers or packages with special means for dispensing contents
    • B65D2583/005—Dispensers provided with a replaceable cartridge, recharge or pouch located within the dispenser

Definitions

  • the present invention relates to a product dispenser, liquid to pasty, with a deformable pocket. More specifically, it relates to a dispenser comprising a container inside which is disposed a pocket of easily deformable plastic complex, without air intake.
  • a base carrying a dispensing member is generally held mechanically relative to the container.
  • the material of the bag must be very flexible and very thin to have a very small shape memory so as to allow the bag to be completely emptied, even when the dispensing member comprises a manual pump which, as is known , works all the better when the vacuum in the pocket is low, the pocket being without air intake when, in particular, the products contained in the pocket are sensitive to air; this is the case, for example, of cosmetic products.
  • FR-A-2 648 794 shows such a dispenser of the kind in which the bag is formed from a sheath obtained by welding, along at least one longitudinal strip, the longitudinal edges of a strap, the peripheral length of the section straight of the sheath being substantially equal to the peripheral length of the base, said longitudinal weld strip cutting a weld strip from the bottom end in a region separate from the ends of said weld strip from the bottom end.
  • the pocket is fixed to the base by crimping which risks damaging the relatively fragile plastic complex, in particular when its thickness is small so that it is easily deformable.
  • the tightness at this fixing by crimping also requires improvement.
  • US-A-3,662,926 shows a dispenser with a deformable pocket made from a flexible tube devoid of longitudinal weld strip.
  • the pocket is fixed by welding to the base. Welding does not pose any major problem, in this case, since the pocket is not made of a plastic complex and does not include a longitudinal weld strip, constituting an additional thickness.
  • the invention aims to make a dispenser in which the product is particularly sheltered from air, this dispenser in front allow you to empty almost the entire pocket.
  • the material of the pocket must therefore be particularly airtight, which can be obtained by using a complex material, with several layers.
  • the attachment of the pocket to the base must also be airtight. It is further desirable that the manufacturing remains simple and reliable.
  • the weld surface has at all points a radius of curvature greater than 0.5 mm.
  • the strap from which said pocket is formed can have a thickness of between 20 and 200 microns.
  • the pocket is made of a complex material consisting of at least three layers, including an internal layer directly welded to the welding surface of the base and an external layer intended for the mechanical protection of the pocket.
  • the inner layer and / or the outer layer is made of a material from the group formed by polyethylene, polyethylene terephthalate, polyvinyl chloride, polypropylene, polyacrylonitrile, polyamide, polyester.
  • the intermediate layer arranged between the outer layer and the inner layer, is made of a material from the group formed by poly (ethylene / vinyl acetate) chloride, poly (ethylene / vinyl alcohol), polyacrylonitrile, aluminum, polyamide.
  • the material of the inner layer has a lower melting point than that of the material of the outer layer.
  • the external layer is made of a material from the group formed by polyester, polyethylene terephthalate, ceramic polyester, metallized polyester, in particular aluminized polyester.
  • this outer layer has a film, serving as an adhesive, made of a material of the polyurethane, polyethylene polyvinylidene chloride group.
  • the melting point of the outer layer is substantially between 220 ° C and 280 ° C.
  • the internal layer is made of a material from the group formed by polyethylene, polyethylene containing zeolites loaded with sanitizers and / or preservatives.
  • the melting point of the inner layer is substantially between 180 ° C and 200 ° C.
  • the set of two welded longitudinal edges folded against the outer surface of the sheath can be welded in this position by the weld strip from the bottom end of the pocket.
  • the longitudinal weld strip of the pocket is located in the region of the welding surface of the base where the radius of curvature is maximum.
  • the weld strip at the bottom end may be straight, or in a broken or curvilinear line.
  • the base includes stop means cooperating with the upper edge of the container.
  • the container can be made of a rigid material and has an air intake orifice.
  • the container is made of a flexible memory material and is associated with a valve arranged in a direction such that the air present in the container is compressed when an action is exerted on the container with a view to dispensing the product contained in the pocket.
  • the container may be made of transparent material and associated with a screen arranged inside the container, outside the pocket, said screen masking said pocket.
  • the container can be welded to the base, in line with a welding surface, arranged above the welding surface of the pocket on the base.
  • the container can receive, at its end opposite to that which receives the base, a bottom secured to the container by welding or gluing.
  • the dispensing member can be a diaphragm pump, a needle valve or a manual pump.
  • the base and the container can carry indexing means making it possible to position the base relative to the container.
  • the base includes an anti-prisoner device; the anti-prisoner device is passable by a filling cannula.
  • a dispenser 1 of liquid to pasty product which comprises a flexible pocket 2, deformable.
  • the pocket 2 is made integral, in the upper part, by means of a base 7, of a rigid outer container 4, of cylindrical shape, the cross section of which can have a shape different from the circular shape, for example a Oval shape.
  • the container 4 is provided with a bottom 5 comprising an orifice 6, to establish communication with the atmosphere.
  • a manual pump 8, without air intake, surmounted by a push button 9, is fixed to the base 7 which has the shape of a bowl.
  • the bowl 7 is provided, on its outer wall, with the welding surface 10 on which is engaged the upper part of the pocket 2, which is fixed to the wall of the base by welding along the range of welding 10.
  • the base 7 turns its concavity on the side opposite to the pocket 2.
  • a sleeve 12 is formed in the central zone of the bottom 11 of the base, as well as a sleeve 14; the sheath 12 and the sleeve 14, projecting from the side of the bottom 11 facing the pump 8, define between them an annular space in which takes place an annular tail 15 carried by the pump 8 which, moreover, has a flange 17 d 'support on the upper edge of the sleeve 12; in this position, the pump is secured to the base 7 by gluing; in a variant not shown, this joining is obtained by breakdown.
  • a rod 20 projects upwards relative to the pump body 8.
  • the push-button internally has a bore suitable for receiving the end of the rod 20 and a conduit for establishing communication with the atmosphere through a nozzle. dispenser 21.
  • the rod 20 can be pressed into the pump body and actuate a piston when pressure is exerted on the push-button 9, the return being ensured by a spring disposed inside the pump body.
  • the base 7 Towards its upper end, the base 7 is provided with a collar 16 suitable for cooperating with a flange 22 provided at the upper part of the container 4.
  • the bottom 11 of the bowl 7 carries anti-prisoner members 27 whose fission, known in itself, is to prevent the walls of the flexible bag 2 from sticking against each other, for example in their middle zone, and to trap, in the lower part, a volume of product which cannot be ejected.
  • the anti-prisoner members are advantageously constituted by fins 28 placed around the axis of the container and extend longitudinally downwards from the opening in which the base of the pump body 8 is engaged; the edge of each fin adjacent to the axis has a recess 29 leaving a passage for the product; the fins 28 advantageously come from molding with the bowl 7; of course, it is possible to provide any anti-prisoner device molded with the bottom 11 of the bowl, for example a grid or an openwork tube.
  • the lower part 30 of the anti-prisoner members 27 is free, so as to allow the passage of a filling cannula of the bag 2 before the installation of the pump 8, when the bag 2 is filled by the high, after it has been fully completed; of course it is preferable that, in this case, the pump 8 be secured to the base 7 by breakdown.
  • the container 4 is made of transparent material; a screen 31, made of a tube cut from a sheath obtained by extrusion, is placed in the container 4 and surrounds the pocket 2, by masking it; the screen 31 carries any desired marking and / or decoration.
  • the screen 31 can be opaque or translucent; its wall can, advantageously, to obtain decorative effects, be wavy, or have ribs, for example, longitudinal.
  • the material of the screen 31 can be arbitrary, since the screen is not in contact with the product: it is advantageously chosen to be biodegradable.
  • the bag 2, shown in Figures 1, 3 and 4 is made of a complex material consisting of three layers; the inner layer i and the outer layer e are made of a material chosen from the group formed by polyethylene, polyethylene terephthalate, polyvinyl chloride, polypropylene, polyacrylonitrile, polyamide, and polyester.
  • the intermediate layer m is made of a material chosen from the group formed by poly (ethylene / vinyl acetate) chloride, poly (ethylene / vinyl alcohol), polyacrylonitrile, aluminum, and a polyamide.
  • complex material has great flexibility, to allow easy operation of the pump, and a very small shape memory to facilitate the complete emptying of the bag; this also presupposes that the complex material has a small thickness: this does not exceed, moreover, 2 / 10ths of a mm, while being greater than 20 microns. Better results are obtained when this thickness does not exceed 100 microns.
  • the use of a complex material to constitute the bag is dictated by the need for air tightness, on the one hand, and compatibility with the products that the bag must contain, on the other hand, such as, for example, although not limiting, cosmetic products.
  • a successful complex consisted of four successive layers, respectively of polyethylene terephthalate, polyurethane, aluminum, and polyethylene.
  • the outer layer e is made of a material from the group formed by polyester, polyethylene terephthalate, ceramic polyester, metallized polyester, in particular aluminized.
  • the treated polyesters atomization of silica for ceramic polyester, or vacuum metallization for metallized polyester
  • this outer layer e has a film, serving as an adhesive, made of a material of the polyurethane, polyethylene, polyvinylidene chloride group.
  • the melting point of the outer layer is substantially between 220 ° C and 280 ° C.
  • the inner layer i is preferably made of polyethylene, or of polyethylene containing zeolites loaded with sanitizers and / or preservatives.
  • the melting point of the inner layer is approximately between 180 ° and 200 ° C.
  • the pocket 2 is obtained from a strap which has been welded the two longitudinal edges.
  • the pocket 2 is formed from a strap of which first welded the inner faces of two longitudinal edges which are located on the same side of the strap to obtain a longitudinal weld strip 32, and constitute a sheath which is cut to length; in a second step, the welded strip is folded over the external surface of the pocket, and held, at its ends, in this position, by welding the upper end of the pocket 2 to the welding surface 10 of the base 7.
  • This welding operation of the upper end of the pocket begins with the welding of the folded strip 32.
  • a heating welding tool in particular a knurling wheel, presses this folded strip 32 against the external surface of the pocket and against the welding surface 10.
  • the external layer e whose melting point is higher, can be heated to a sufficient temperature to melt the internal layer i and cause the welding of the surface 10, without this external layer e being crossed by the tool or passing through the internal layer.
  • the welding surface 10, and more generally the base 7, are made of a material which can be welded to the internal layer i ; for example the base 7 is made of polypropylene which can be welded with a polyethylene film.
  • the folded strip 32 is welded at the same time as the sheath according to the transverse weld strip 33 which closes the pocket 2 at its lower part.
  • the folded strip 32 and the strip 33 intersect in a portion of the strip 33 remote from its ends 33a and 33b.
  • the straight section of the pocket is entirely contained in the straight section of the container 4, which allows and facilitates the positioning of the pocket in the container when the pocket is already full. This is one of the advantages of the pocket according to the invention.
  • Said pocket can, moreover, also be filled from below; the composition and the low thickness of the complex allow, in fact, to weld the lower end of the pocket by pinching the product, present in the sheath, during welding, which ensures that there will be no air in the closed pocket. It is therefore possible to use a vacuum filling machine for the bag from the bottom.
  • the welding strip 32 is located on the welding surface in an area where the radius of curvature is maximum; means for indexing the base relative to the container are provided if this indexing is not obtained automatically by the shape of their cross section.
  • FIG. 5 shows a variant of a dispenser according to the invention, the container 104 of which consists of a sheath 134 made of flexible material, with shape memory, obtained by extrusion, and closed at its lower part by a bottom 105 made of rigid plastic material ; the bottom 105, attached to the sheath in the example shown and secured to it, for example by bonding or welding the end 135, may have a section different from that of the base 107 to which the end is secured sheath 134 upper container 104.
  • This joining is obtained by welding the sheath 134 on a welding surface 136 of the base 107 located, on said base, above the welding range 110 of the flexible bag 102 on the base 107.
  • the material of the sheath 134 may be any; as has been said about the screen 31 of Figures 1 and 3, it is advantageously chosen biodegradable.
  • the base 107 has a sleeve 138, extending away from the pocket 102, on which is mounted, by clipping at 143, a dispensing head 139 whose dispensing orifice 142 is closed, at rest, by a needle 141 carried by an elastic membrane 140; a channel 144, in communication with the interior of the pocket 102, allows a distribution of the product by the dispensing orifice 142 when the latter is released by the needle 141 by action of the pressure of the product on the membrane 140; pressurization of the product is obtained by manual action on the flexible container 134 and is allowed thanks to the presence of a bottom valve 137 cooperating with the orifice 106 for communication with the outside of the volume between the pocket 102 and inside container 134.
  • the bottom 105 is replaced by a transverse weld of the bottom end of the container 104.
  • Figure 6 shows a pocket 202 welded to a rigid base 207; the base 207 is provided with a neck 215 associated with a partially elastic element 250 to constitute a one-way opening valve; the element 250 comprises a hooking part 206 on a finger 214 integral with the base 207 and an elastic part 208 in the form of a frustoconical membrane bearing elastically against the bottom of the base; openings 217 allow the product to exit the bag while the membrane 208 prevents it, unless pressure is exerted on the walls of the bag; a cover 245 has, on the one hand, hooking means 246 on a circular rim 247 of the base 207 and, on the other hand, axial tongues 248 extending to the periphery of the membrane 208, so that, when the cover 245 is in place on the base 207, an action is exerted on the periphery of the membrane applied to its seat formed by the bottom of the base, thus preventing any product outlet, even if an action is exerted on the pocket
  • Figure 7 shows a dispenser implementing the refill of Figure 6; after the cover 245 has been removed from the base 245, the refill is introduced into a container 204; a diaphragm pump 239, as known per se, is placed on the base 207 on which it is maintained by means of attachment means 249 carried by the neck 215 of the base, the pump itself carrying additional hanging means. It will be noted that, thanks to this arrangement, the product contained in the refill is never brought back into contact with air until its use proper.
  • the diaphragm pump can also include a non-return valve 251 similar to the valve 250 carried by the base: this is the variant shown in FIG. 8.
  • FIG. 9 shows another variant of a dispenser, the elements of which similar to the elements described above are designated by the same numbers of units and tens, preceded by a digit 3 of hundreds. Their description will not be repeated or will be made only succinctly.
  • a container 304 There is a container 304, a flexible pocket 302 welded to a base 307 provided with an anti-prisoner member 327.
  • a pump 339 with membrane M is mounted on the base. The pump body 339 can rotate, around the axis of the container 304, between a closed position and an open position.
  • the pump body 339 comprises a cylindrical sleeve 360 of revolution coaxial with the container 304.
  • This sleeve 360 is snapped, with the possibility of rotation about its axis, in a neck 315 cylindrical of revolution of the base 307.
  • a hollow core 361 secured to the base 307 is engaged in the sleeve 360, in contact with its inner wall.
  • the internal volume of the core 361 communicates with the pocket 302.
  • the internal wall of the sleeve 360 has longitudinal grooves 362, regularly spaced, extending above the core 361 to open into a space 363 closed by a valve 350.
  • the cylindrical wall of the core 361 has longitudinal windows 364, having the same angular spacing as the grooves 362.
  • the length of the windows 364 is sufficient for them to be able to communicate with the grooves 362 when they occupy the same angular position. This corresponds to the open position of FIG. 10.
  • the entire pocket and the base can be recycled for the manufacture of new bases. Indeed, the mass of the pocket is very small compared to that of the base and the amount of non-compatible material of the pocket is negligible. Manufacturing waste can therefore be reused.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Packages (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)

Claims (19)

  1. Spender (1) für ein flüssiges bis pastöses Produkt, der einen Behälter (4, 104) umfaßt, in dessen Innerem ein aus leicht verformbarem Verbundmaterial aus Kunststoff bestehender Beutel (2, 102) ohne Lufteinlaß angeordnet ist, wobei ein das Abgabeorgan (8-9, 139) tragender Sockel (7, 107) an dem Behälter (4, 104) mechanisch befestigt ist und ein Bodenende des Beutels (2, 102) entlang eines Bandes (33, 133) verschweißt ist, wobei der Beutel (2, 102) aus einer durch Verschweißen der Längskanten eines Streifens entlang wenigstens einer Langsnaht (32, 132) erhältlichen Hülle geformt ist, wobei der Umfang des Querschnitts der Hülle gleich dem Umfang des Sockels (7, 107) ist und die Längsschweißnaht (32, 132) das Schweißband (33, 133) des Bodenendes in einem von den Enden (33a, 33b, 133a, 133b) des Schweißbandes (33, 133) des Bodenendes verschiedenen Bereich schneidet, dadurch gekennzeichnet, daß:
    - in der Längsschweißnaht (32, 132) eine Innenfläche einer Längskante des Streifens, aus dem der Beutel (2, 102) gebildet wird, mit der auf der gleichen Seite des Streifens wie die vorige Fläche befindlichen Innenfläche der anderen Längskante des Streifens verschweißt ist,
    - der Sockel (7, 107) einen Schweißrand (10, 110) aufweist und
    - die an den beiden Längskanten des Streifens verschweißte Anordnung gegen die Außenfläche der Hülle umgebogen ist und in dieser Position durch Verschweißen des Endes des Beutels (2, 102) mit dem Schweißrand (10, 110) des Sockels verschweißt ist.
  2. Produktspender gemäß Anspruch 1, dadurch gekennzeichnet, daß der Schweißrand (10, 110) an jedem Punkt einen größeren Krümmungsradius als 0,5 mm hat.
  3. Produktspender gemäß Anspruch 1, dadurch gekennzeichnet, daß die Dicke des Streifens, aus dem der Beutel (2, 102) gebildet wird, zwischen 20 und 200 »m beträgt.
  4. Produktspender gemäß Anspruch 1 oder 3, dadurch gekennzeichnet, daß der Beutel (2, 102) aus einem wenigstens drei-lagigen Verbundmaterial besteht, dessen innere Lage direkt auf den Schweißrand (10, 110) des Sockels (7, 107) geschweißt ist und eine äußere Lage als mechanischer Schutz des Beutels (2, 102) dient.
  5. Produktspender gemaß Anspruch 4, dadurch gekennzeichnet, daß das Material der inneren Lage einen niedrigeren Schmelzpunkt als das Material der äußeren Lage besitzt.
  6. Produktspender (1) gemäß Anspruch 4 oder 5, dadurch gekennzeichnet, daß die innere Lage und/oder die äußere Lage aus einem Material der folgenden Gruppe besteht: Polyethylen, Polyethylenteraphthalat, Polyvinylchlorid, Polypropylen, Polyacrylnitril, Polyamid, Polyester.
  7. Produktspender gemaß Anspruch 4 oder 5, dadurch gekennzeichnet, daß die zwischen der äußeren und der inneren Lage angeordnete Zwischenlage aus einem Material der folgenden Gruppe besteht: chloriertem Poly(ethylen/vinylacetat), Poly(ethylen/vinylalkohol), Polyacrylnitril, Aluminium, Polyamid.
  8. Produktspender gemäß Anspruch 1 bis 3, dadurch gekennzeichnet, daß die Anordnung (32) der verschweißten und gegen die Außenseite der Hülle umgebogenen Längskanten in dieser Position durch das Schweißband (33, 133) des Bodenendes des Beutels (2, 102) verschweißt ist.
  9. Produktspender gemaß Anspruch 1, dadurch gekennzeichnet, daß sich die Längsschweißnaht (32, 132) des Beutels (2, 102) in dem Bereich des Schweißrandes (10,110) des Sockels (7, 107) befindet, wo der Krümmungsradius maximal ist.
  10. Produktspender gemäß Anspruch 1, dadurch gekennzeichnet, daß das Schweißband (33, 133) des Bodenendes geradlinig ist.
  11. Produktspender gemäß Anspruch 1, dadurch gekennzeichnet, daß das Schweißband (33, 133) des Bodenendes als geknickte Linie oder gekrümmt ausgebildet ist.
  12. Produktspender gemäß Anspruch 1, dadurch gekennzeichnet, daß der Sockel (7, 107) Anschlagmittel aufweist, die mit der Oberkante des Behälters (4, 104) zusammenwirken.
  13. Produktspender gemäß Anspruch 1, dadurch gekennzeichnet, daß der Behälter (4) aus einem starren Material besteht und eine Lufteinlaßöffnung (6) aufweist.
  14. Produktspender gemäß Anspruch 1, dadurch gekennzeichnet, daß der Behälter (104) aus einem weichen Material mit Formerinnerungsvermögen besteht und mit einem derart angeordneten Ventil (137) verbunden ist, daß die in dem Behälter (104) befindliche Luft komprimiert wird, wenn der Behälter zur Abgabe des in dem Beutel (102) enthaltenen Produktes betätigt wird.
  15. Produktspender gemäß Anspruch 13, dadurch gekennzeichnet, daß der Behälter (4) aus einem durchsichtigen Material besteht und mit einer im Inneren des Behälters (4) außerhalb des Beutels (2) angeordneten Blende (31) verbunden ist, wobei die Blende (31) den Beutel (2) bedeckt.
  16. Produktspender gemäß Anspruch 14, dadurch gekennzeichnet, daß der Behälter (104) an einem oberhalb des Schweißrandes (110) des Beutels (102) am Sockel (107) befindlichen Schweißrand (36) an den Sockel (107) geschweißt ist.
  17. Produktspender gemäß Anspruch 14, dadurch gekennzeichnet, daß der Behälter (104) an seinem dem Ende, das den Sockel (107) aufnimmt, gegenüberliegenden Ende einen Boden (105) aufnimmt, der durch Schweißen oder Kleben mit dem Behälter (104) verbunden ist.
  18. Produktspender gemäß Anspruch 1, dadurch gekennzeichnet, daß das Abgabeorgan (8, 139) eine Membranpumpe, ein Zuhaltestift (141) oder eine Handpumpe ist.
  19. Produktspender gemäß Anspruch 1, bei dem eine Pumpe (339) auf dem Sockel (307) montiert ist, dadurch gekennzeichnet, daß der Pumpenkörper (339) zwischen einer Verschlußstellung und einer geöffneten Stellung um die Achse des Behälters (64) drehbar ist.
EP93909029A 1992-04-30 1993-04-19 Produktspender mit verformbaren beutel Expired - Lifetime EP0592637B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9205377 1992-04-30
FR9205377A FR2690674B1 (fr) 1992-04-30 1992-04-30 Distributeur de produit a poche deformable.
PCT/FR1993/000384 WO1993022220A1 (fr) 1992-04-30 1993-04-19 Distributeur de produit a poche deformable

Publications (2)

Publication Number Publication Date
EP0592637A1 EP0592637A1 (de) 1994-04-20
EP0592637B1 true EP0592637B1 (de) 1995-11-29

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EP93909029A Expired - Lifetime EP0592637B1 (de) 1992-04-30 1993-04-19 Produktspender mit verformbaren beutel

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US (2) US5477985A (de)
EP (1) EP0592637B1 (de)
JP (1) JP3396221B2 (de)
DE (1) DE69300910T2 (de)
ES (1) ES2081713T3 (de)
FR (1) FR2690674B1 (de)
WO (1) WO1993022220A1 (de)

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US5950880A (en) * 1997-04-14 1999-09-14 Valois S.A. Set of components for assembly as a dispensing package of the non-vented type having a take-up piston
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US6050451A (en) 1998-11-19 2000-04-18 Aptargroup, Inc. Dispensing structure incorporating a valve-containing fitment for mounting to a container and a package with a dispensing structure
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Also Published As

Publication number Publication date
FR2690674A1 (fr) 1993-11-05
WO1993022220A1 (fr) 1993-11-11
US5477985A (en) 1995-12-26
DE69300910D1 (de) 1996-01-11
JP3396221B2 (ja) 2003-04-14
ES2081713T3 (es) 1996-03-16
US5505338A (en) 1996-04-09
DE69300910T2 (de) 1996-08-14
EP0592637A1 (de) 1994-04-20
JPH06507870A (ja) 1994-09-08
FR2690674B1 (fr) 1996-01-26

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