EP1663809B1 - Recipient soluble dans l'eau - Google Patents

Recipient soluble dans l'eau Download PDF

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Publication number
EP1663809B1
EP1663809B1 EP03762682A EP03762682A EP1663809B1 EP 1663809 B1 EP1663809 B1 EP 1663809B1 EP 03762682 A EP03762682 A EP 03762682A EP 03762682 A EP03762682 A EP 03762682A EP 1663809 B1 EP1663809 B1 EP 1663809B1
Authority
EP
European Patent Office
Prior art keywords
container
wall
chamber
panel
remainder
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.)
Revoked
Application number
EP03762682A
Other languages
German (de)
English (en)
Other versions
EP1663809A1 (fr
Inventor
Christopher Paul Ramsay
Bernard Guglielmini
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.)
Obrist Closures Switzerland GmbH
Original Assignee
Obrist Closures Switzerland 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=30011232&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1663809(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Obrist Closures Switzerland GmbH filed Critical Obrist Closures Switzerland GmbH
Priority to EP03762682A priority Critical patent/EP1663809B1/fr
Publication of EP1663809A1 publication Critical patent/EP1663809A1/fr
Application granted granted Critical
Publication of EP1663809B1 publication Critical patent/EP1663809B1/fr
Anticipated expiration legal-status Critical
Revoked 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
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38—Packaging materials of special type or form
    • B65D65/46—Applications of disintegrable, dissolvable or edible materials
    • 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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/32—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging two or more different materials which must be maintained separate prior to use in admixture
    • 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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/32—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging two or more different materials which must be maintained separate prior to use in admixture
    • B65D81/3205—Separate rigid or semi-rigid containers joined to each other at their external surfaces
    • 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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/32—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging two or more different materials which must be maintained separate prior to use in admixture
    • B65D81/3261—Flexible containers having several compartments

Definitions

  • the present invention relates generally to a water-soluble container.
  • Water-soluble containers as such are well-known and have a variety of uses, such as in clothes washing.
  • CA 1112534 describes a water-soluble container for a detergent composition.
  • the water-soluble material may be, for example, polyvinyl alcohol (PVOH).
  • PVOH polyvinyl alcohol
  • This document describes a single chamber with a film form wall of constant thickness. Because the chamber wall is of constant thickness, the entire wall must be dissolved before any product can escape. In certain circumstances product may be required quickly, before the time when the entire container has dissolved.
  • WO 01/83668 , EP 593 952 , GB 2 356 842 and WO 01/36290 all disclose prior art containers in accordance with the preamble of appended claim 1.
  • a water-soluble container comprising one ore more discrete chambers for containing product, wherein at least part of a wall of the or at least one of the chamber/s is adapted to dissolve before the remainder of the chamber to allow product to escape, characterised in that the at least part of the wall adapted to dissolve before the remainder of each chamber defines a panel and the at least part of the wall at least partly surrounds the panel, such that when the at least part of the wall dissolves the panel is either partly or completely released undissolved.
  • product can escape from a chamber without requiring complete dissolution of the chamber. This can be useful for decreasing the time taken for product to be released. It can also allow for a greater degree of control over when product is released because the area required to be dissolved is reduced.
  • a container according to the present invention for a system combining the advantage of not requiring a whole chamber to dissolve before a product is released, together with the possibility of sequential release of products.
  • a chamber provided with the means for allowing product to escape before complete dissolution could be associated with a chamber not having those means. More complicated systems could involve chambers which allow products to escape after different times before complete dissolution.
  • the present invention removes the need for manual intervention at different stages of washing cycles and allows the complete washing product to be packaged and supplied together.
  • the at least part of the wall will most usually be an exterior surface of the container thereby releasing product from the container when it dissolves.
  • the at least part of the wall forms part of a chamber which is housed within another chamber which itself includes water, whereby the contents of the chambers are mixed when the at least part of the wall dissolves. This might be useful, for example, if the product in the inner chamber is activated by product in the outer chamber. This allows activation in a controlled environment before the activated product is released into the exterior of the container and could be useful for products which become unstable once activated.
  • the container could be formed in order that product is released from the chamber when the part of the wall dissolves.
  • the part of the wall may comprise one or more clip elements, such as a hook.
  • the clip elements initially clip the closure part to the container but then dissolve and release the releasable panel. In this way only a small section of the wall dissolves and yet a large opening can be provided quickly.
  • the part of the wall could be formed in order that it dissolves before the remainder of the container.
  • the at least part of the wall could be made from a thinner section of material and/or from a different material with a faster rate of dissolution than the remainder of the container.
  • the material thinning may be arranged on the interior surface of the chamber wall. This is particularly relevant when the at least part of the wall defines a thin channel, because if the material thinning was arranged on the exterior surface the channel could become saturated with dissolved material, which would impede further dissolution.
  • the container may be formed by injection moulding.
  • the area of the panel may form the gate region for injection moulding. This ensures that the thin section is correctly moulded by avoiding problems with moulded regions which are remote from the injection point.
  • differential dissolution characteristics may be achieved by forming the container from two or more different materials at least some of which are water-soluble. It may, however, be preferable for simplification of the production process for the whole of the container to be formed from the same material.
  • At least part of the material from which the container is formed is a polyvinyl alcohol.
  • at least part of the material may be a polylactic acid or a starch based material.
  • the container may be flexible. This may be as a result of the choice of material and/or the thickness of the walls.
  • wall can refer to any one or more of the walls.
  • a spherical container for example, has a single wall whereas a cube has six walls. The term is therefore generic and could refer to any part of the material defining the chamber.
  • a housing 10 of generally parallelepiped shape comprising a base wall 11, side walls 12,13 and end walls 14,15.
  • the housing is hollow and is open opposite the base 11 to form a tray-like structure.
  • the housing 10 is formed from a water-soluble material.
  • the material could be, for example, a grade of PVOH which dissolves at approximately 50°C.
  • the interior of the housing 10 is divided into two discrete chambers 30, 31 by spaced parallel partition side walls 16, 17 which extend from end wall 15 and are joined at their ends by a partition end wall 18.
  • Each of the partition walls 16, 17, 18 extends the full height of the housing walls 11, 12, 13, 14, 15.
  • the portion of the base wall 14 which is bounded by the partition walls 16, 17, 18 includes a panel 19 surrounded by a region of material thinning 20 the purpose of which will be described in more detail below.
  • Fig 3 the housing of Figs 1 and 2 is shown forming part of a container 1.
  • the housing 10 is closed by a lid 25.
  • the chambers 30, 31 are filled with different products before the lid 25 is applied.
  • the lid 25 includes a panel 26 and region of material thinning 27 opposite and identical to those of the housing 10.
  • the lid 25 may be secured to the housing 10 by any convenient means such as welding adhesion, interference fit or clipping.
  • the seal is a face seal bond which is chemically activated, in this case by water, and supported internally by a wall 28 depending from the lid 25.
  • the thickness of the housing walls and the lid is approximately 0.4mm. This is about the thinnest that material can be without a risk of 'pin holes' i.e. tiny holes in the material which could compromise the integrity of the chamber.
  • the material thinnings are approximately 0.15mm thick and are formed by reducing a small part of the uniform thickness of the container.
  • the container 1 In use, the container 1 is placed in an aqueous environment and the temperature is raised beyond the dissolution temperature of the container material. As the container 1 begins to dissolve the material thinned regions 20, 27 will completely dissolve before the remainder of the container. As a result, the panels 19, 26 are released from the lid 25 and the base wall 14 such that product can escape from the chamber 31. Of course, the panels 19, 26 do not have to be completely released to be effective. For example the material thinned regions 20, 27 could extend part way round the panels 19, 26 such that the panels 19, 26 become flaps which hinge open. Product from the chamber cannot escape until the remainder of the container has dissolved.
  • Fig 5 there is shown an alternative arrangement.
  • two discrete chambers 130, 131 are formed from two separate, hollow cube-shape housings 110a, 110b which are bonded together along adjacent side walls 112a, 112b.
  • Each housing 110a, 110b is open along one side by closed by a lid 125a, 125b in this embodiment sealed to the housings by adhesion.
  • the lids 125a, 125b are formed from different grades of PVOH which dissolve at different rates, with the material of the lid 125a having the faster dissolution rate. In this embodiment therefore the lid 125a of the housing 110a dissolves before the lid of housing 110b, to allow its product to escape first.
  • a generally cuboid housing 210 comprises a base wall 211 and side walls 214, 215. An open side of the housing 210 is closed by a lid 225.
  • the lid 225 is held onto the housing 210 by a clip 220 extending from its periphery.
  • the clip 220 engages under a bead 235 formed around the open side of the housing 210.
  • the clip 220 is thinner than the remainder of the container 201. Accordingly, in use of the container the clip 220 dissolves before the remainder of the container so that the bead 235 no longer retains the lid 225, and therefore allows the lid 225 to be released from the housing 210.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Package Specialized In Special Use (AREA)
  • Wrappers (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)

Claims (11)

  1. Récipient soluble dans l'eau (1) comprenant une ou plusieurs chambres discrètes (30, 31) pour contenir un produit, dans lequel au moins une portion (20, 27) d'une paroi (11, 25) de la ou des chambre(s) ou d'une au moins parmi les chambres est apte à se dissoudre avant le reste de la chambre pour permettre au produit de s'échapper,
    caractérisé en ce que
    la au moins une portion (20, 27) de la paroi (11, 25) apte à se dissoudre avant le reste de chaque chambre définit un panneau (19, 26) et la au moins une portion de la paroi entoure au moins partiellement le panneau, de sorte que le panneau soit partiellement ou entièrement libéré sans être dissout lorsque la au moins une portion de la paroi se dissout.
  2. Récipient (201) selon la revendication 1, dans lequel la au moins une portion de la paroi (225) comprend un ou plusieurs éléments d'agrafage (220) qui est apte à retenir le panneau (225) jusqu'à dissolution.
  3. Récipient (1) selon la revendication 1 ou la revendication 2, dans lequel la au moins une portion de la paroi (20, 27) est plus mince que le reste du récipient.
  4. Récipient (1) selon la revendication 3, dans lequel l'amincissement du matériau (20, 27) est situé sur la surface intérieure de la paroi de la chambre.
  5. Récipient (1) selon l'une des revendications précédentes, dans lequel le récipient est formé par moulage par injection.
  6. Récipient (1) selon l'une des revendications précédentes, dans lequel au moins une partie du matériau dans lequel le récipient est formé est un polyalcool de vinyle.
  7. Récipient (1) selon l'une des revendications précédentes, dans lequel au moins une partie du matériau dans lequel le récipient est formé est un acide polylactique.
  8. Récipient (1) selon l'une des revendications précédentes, dans lequel au moins une partie du matériau dans lequel le récipient est formé est amylacée.
  9. Récipient (1) selon l'une des revendications précédentes, dans lequel l'intégralité du récipient est formée avec le même matériau.
  10. Récipient (1) selon l'une des revendications précédentes, dans lequel le récipient est flexible.
  11. Récipient selon l'une des revendications précédentes, comprenant deux chambres ou davantage, dans lequel chaque chambre possède un panneau et les au moins une portion de la paroi de chaque panneau se dissolvent selon différents taux, de sorte que les produits contenus dans les chambres puissent s'échapper séquentiellement.
EP03762682A 2002-07-03 2003-06-26 Recipient soluble dans l'eau Revoked EP1663809B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP03762682A EP1663809B1 (fr) 2002-07-03 2003-06-26 Recipient soluble dans l'eau

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP02254680 2002-07-03
PCT/EP2003/007798 WO2004005156A1 (fr) 2002-07-03 2003-06-26 Recipient soluble dans l'eau
EP03762682A EP1663809B1 (fr) 2002-07-03 2003-06-26 Recipient soluble dans l'eau

Publications (2)

Publication Number Publication Date
EP1663809A1 EP1663809A1 (fr) 2006-06-07
EP1663809B1 true EP1663809B1 (fr) 2008-10-15

Family

ID=30011232

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03762682A Revoked EP1663809B1 (fr) 2002-07-03 2003-06-26 Recipient soluble dans l'eau

Country Status (12)

Country Link
US (1) US20060124646A1 (fr)
EP (1) EP1663809B1 (fr)
AT (1) ATE411236T1 (fr)
AU (1) AU2003246714A1 (fr)
BR (1) BR0312397A (fr)
CA (1) CA2491283A1 (fr)
DE (1) DE60324205D1 (fr)
ES (1) ES2315533T3 (fr)
MX (1) MXPA05000096A (fr)
PL (1) PL202692B1 (fr)
RU (1) RU2005102594A (fr)
WO (1) WO2004005156A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7830263B2 (en) 2006-04-28 2010-11-09 Obrist Closures Switzerland Gmbh Closure with RFID device
USD630093S1 (en) 2010-06-11 2011-01-04 Obrist Closures Switzerland Gmbh Closure
US8413830B2 (en) 2008-04-04 2013-04-09 Obrist Closures Switzerland Gmbh Closure
US8453856B2 (en) 2007-07-13 2013-06-04 Obrist Closures Switzerland Gmbh Tamper-evident closure
US8490804B2 (en) 2007-10-31 2013-07-23 Obrist Closures Switzerland Gmbh Closure with movable tamper-evident member
US8522991B2 (en) 2003-10-31 2013-09-03 Obrist Closures Switzerland Gmbh Tamper evident closure
US9102448B2 (en) 2007-07-13 2015-08-11 Obrist Closures Switzerland Gmbh Tamper-evident closure

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US9102444B2 (en) 2012-10-26 2015-08-11 Enterprise Express, Inc. Beverage container lid
EP3458380A1 (fr) * 2016-05-17 2019-03-27 Unilever Plc. Capsule de détergent de lessive
CN109153949A (zh) 2016-05-17 2019-01-04 荷兰联合利华有限公司 包括胶囊的盒子和发送胶囊的方法
USD1036258S1 (en) 2018-03-09 2024-07-23 Coollid Corporation Beverage container lid

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US8522991B2 (en) 2003-10-31 2013-09-03 Obrist Closures Switzerland Gmbh Tamper evident closure
US7830263B2 (en) 2006-04-28 2010-11-09 Obrist Closures Switzerland Gmbh Closure with RFID device
US8453856B2 (en) 2007-07-13 2013-06-04 Obrist Closures Switzerland Gmbh Tamper-evident closure
US9102448B2 (en) 2007-07-13 2015-08-11 Obrist Closures Switzerland Gmbh Tamper-evident closure
US8490804B2 (en) 2007-10-31 2013-07-23 Obrist Closures Switzerland Gmbh Closure with movable tamper-evident member
US8413830B2 (en) 2008-04-04 2013-04-09 Obrist Closures Switzerland Gmbh Closure
USD630093S1 (en) 2010-06-11 2011-01-04 Obrist Closures Switzerland Gmbh Closure

Also Published As

Publication number Publication date
PL373174A1 (en) 2005-08-22
MXPA05000096A (es) 2005-04-11
RU2005102594A (ru) 2005-10-10
WO2004005156A1 (fr) 2004-01-15
ES2315533T3 (es) 2009-04-01
BR0312397A (pt) 2005-04-12
EP1663809A1 (fr) 2006-06-07
US20060124646A1 (en) 2006-06-15
AU2003246714A1 (en) 2004-01-23
DE60324205D1 (de) 2008-11-27
CA2491283A1 (fr) 2004-01-15
PL202692B1 (pl) 2009-07-31
ATE411236T1 (de) 2008-10-15

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