WO2004005156A1 - Recipient soluble dans l'eau - Google Patents

Recipient soluble dans l'eau Download PDF

Info

Publication number
WO2004005156A1
WO2004005156A1 PCT/EP2003/007798 EP0307798W WO2004005156A1 WO 2004005156 A1 WO2004005156 A1 WO 2004005156A1 EP 0307798 W EP0307798 W EP 0307798W WO 2004005156 A1 WO2004005156 A1 WO 2004005156A1
Authority
WO
WIPO (PCT)
Prior art keywords
container
wall
chamber
product
dissolves
Prior art date
Application number
PCT/EP2003/007798
Other languages
English (en)
Inventor
Christopher Paul Ramsey
Bernard Guglielmini
Original Assignee
Crown Packaging Technology, Inc.
Carnaudmetalbox Plc
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=WO2004005156(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Crown Packaging Technology, Inc., Carnaudmetalbox Plc filed Critical Crown Packaging Technology, Inc.
Priority to AU2003246714A priority Critical patent/AU2003246714A1/en
Priority to US10/519,915 priority patent/US20060124646A1/en
Priority to MXPA05000096A priority patent/MXPA05000096A/es
Priority to EP03762682A priority patent/EP1663809B1/fr
Priority to DE60324205T priority patent/DE60324205D1/de
Priority to CA002491283A priority patent/CA2491283A1/fr
Priority to BR0312397-9A priority patent/BR0312397A/pt
Publication of WO2004005156A1 publication Critical patent/WO2004005156A1/fr

Links

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.
  • a water-soluble container comprising one or more discrete chambers for containing product, at least part of the 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.
  • 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 with more than one chamber gives the possibility 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 L v.6.. 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 could itself comprise a closure part which dissolves to form an opening in the chamber.
  • the part of the wall may define a releasable part.
  • the releasable part may be a panel and the at least part of the wall at least partly surrounds the panel so that it is released, either completely or partially, 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 part. 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.
  • the term "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.
  • Fig 1 is a perspective view of a housing formed as part of a container according to a first embodiment
  • Fig 2 is a section along line II - II of Fig 1,
  • Fig 3 shows the housing of Fig 2 with a lid component attached
  • Fig 4 shows the container of Fig 3 following an initial exposure to water
  • Fig 5 is a section through a container according to an alternative embodiment
  • Fig.6 is a section of a container according to an alternative embodiment
  • Fig.7 is a section of a container according to an alternative embodiment .
  • a housing 10 of generally parallelopiped 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 risl. 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 30. 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.
  • 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 but 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.
  • a container 301 with inner 310a and outer 310b generally cuboid housings defining inner 330 and outer 331 chambers.
  • the outer chamber 331 contains a product which includes at least some water.
  • the inner chamber 330 contains a product which requires activation of some sort, through contact with the contents of the outer chamber 331.
  • the outer chamber is formed so as to take longer to dissolve than the lid 325 of the inner chamber 330. In use as the container begins to dissolve the lid 325 dissolves first, due to contact with the water in the outer chamber 331. This releases product from the inner chamber 330 into the outer chamber 331 before the outer housing 310b has dissolved. The product is therefore activated just before the outer housing 310b has dissolved.

Abstract

L'invention concerne un récipient soluble dans l'eau (1) qui comprend une ou plusieurs chambres discrètes (30, 31) destinées à contenir un produit. Au moins une partie (20, 27) de la paroi (11, 25) desdites chambres est conçue pour se dissoudre avant le reste de la chambre de façon que le produit puisse s'échapper.
PCT/EP2003/007798 2002-07-03 2003-06-26 Recipient soluble dans l'eau WO2004005156A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
AU2003246714A AU2003246714A1 (en) 2002-07-03 2003-06-26 Water-soluble container
US10/519,915 US20060124646A1 (en) 2002-07-03 2003-06-26 Water-soluble container
MXPA05000096A MXPA05000096A (es) 2002-07-03 2003-06-26 Recipiente soluble en agua.
EP03762682A EP1663809B1 (fr) 2002-07-03 2003-06-26 Recipient soluble dans l'eau
DE60324205T DE60324205D1 (de) 2002-07-03 2003-06-26 Wasserlöslicher behälter
CA002491283A CA2491283A1 (fr) 2002-07-03 2003-06-26 Recipient soluble dans l'eau
BR0312397-9A BR0312397A (pt) 2002-07-03 2003-06-26 Recipiente solúvel em água

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP02254680.8 2002-07-03
EP02254680 2002-07-03

Publications (1)

Publication Number Publication Date
WO2004005156A1 true WO2004005156A1 (fr) 2004-01-15

Family

ID=30011232

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2003/007798 WO2004005156A1 (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 (5)

* Cited by examiner, † Cited by third party
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WO2007129655A1 (fr) 2006-05-05 2007-11-15 Olympus Medical Systems Corp. Capsule médicale
WO2008014966A1 (fr) 2006-08-04 2008-02-07 Fischerwerke Artur Fischer Gmbh & Co. Kg Utilisation de résines synthétiques lors du serrage de vis et autres dispositifs d'ancrage analogues, procédé associé et résines synthétiques
DE102008018861A1 (de) 2008-04-15 2009-12-17 Fischerwerke Gmbh & Co. Kg Verwendung definierter Kunstharze beim Befestigen von Schrauben und ähnlichen Verankerungsmitteln, entsprechende Verfahren und Kunstharze
WO2017198567A1 (fr) 2016-05-17 2017-11-23 Unilever Plc Capsule de détergent de lessive
US10894651B2 (en) 2016-05-17 2021-01-19 Conopco, Inc. Box including capsules and method of sending capsules

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MXPA06014641A (es) * 2004-06-30 2008-03-11 Obrist Closures Switzerland Cierre de surtidor.
GB0608433D0 (en) * 2006-04-28 2006-06-07 Obrist Closures Switzerland Closure with RFID device
GB2450939B (en) 2007-07-13 2012-02-01 Obrist Closures Switzerland Tamper-Evident closure
GB2450940B (en) * 2007-07-13 2011-11-30 Obrist Closures Switzerland Tamper-evident closure
US20090108006A1 (en) * 2007-10-26 2009-04-30 Coollid Corporation Beverage container lid having liquid cooling effect
GB0721330D0 (en) * 2007-10-31 2007-12-12 Obrist Closures Switzerland Tamper Evident closure
US20100320168A1 (en) * 2008-02-19 2010-12-23 Martin Carey Bull Child-resistant closure
GB0806190D0 (en) * 2008-04-04 2008-05-14 Obrist Closures Switzerland A closure
GB0816643D0 (en) * 2008-09-11 2008-10-22 Obrist Closures Switzerland A closure
RU2546651C2 (ru) * 2010-01-29 2015-04-10 МОНОСОЛ, ЭлЭлСи Водорастворимая пленка с улучшенной растворимостью и улучшенными механическими свойствами, а также пакеты, изготовленные из нее
USD630093S1 (en) 2010-06-11 2011-01-04 Obrist Closures Switzerland Gmbh Closure
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CA1112534A (fr) 1976-11-03 1981-11-17 John Pardo Detergent pour lave-vaisselle automatique
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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007129655A1 (fr) 2006-05-05 2007-11-15 Olympus Medical Systems Corp. Capsule médicale
EP2052757A1 (fr) * 2006-05-05 2009-04-29 Olympus Medical Systems Corp. Capsule médicale
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DE60324205D1 (de) 2008-11-27
BR0312397A (pt) 2005-04-12
AU2003246714A1 (en) 2004-01-23
EP1663809B1 (fr) 2008-10-15
RU2005102594A (ru) 2005-10-10
ATE411236T1 (de) 2008-10-15
PL373174A1 (en) 2005-08-22
US20060124646A1 (en) 2006-06-15
MXPA05000096A (es) 2005-04-11
EP1663809A1 (fr) 2006-06-07
CA2491283A1 (fr) 2004-01-15
PL202692B1 (pl) 2009-07-31
ES2315533T3 (es) 2009-04-01

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