EP1361172A1 - Emballage hydrosoluble - Google Patents

Emballage hydrosoluble Download PDF

Info

Publication number
EP1361172A1
EP1361172A1 EP03013108A EP03013108A EP1361172A1 EP 1361172 A1 EP1361172 A1 EP 1361172A1 EP 03013108 A EP03013108 A EP 03013108A EP 03013108 A EP03013108 A EP 03013108A EP 1361172 A1 EP1361172 A1 EP 1361172A1
Authority
EP
European Patent Office
Prior art keywords
package
body portion
water soluble
sheet
laundry detergent
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.)
Granted
Application number
EP03013108A
Other languages
German (de)
English (en)
Other versions
EP1361172B1 (fr
Inventor
David Brian Edwards
William John Mccarthy
Patricia Richardson
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.)
Unilever PLC
Unilever NV
Original Assignee
Unilever PLC
Unilever NV
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=10849830&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1361172(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Unilever PLC, Unilever NV filed Critical Unilever PLC
Publication of EP1361172A1 publication Critical patent/EP1361172A1/fr
Application granted granted Critical
Publication of EP1361172B1 publication Critical patent/EP1361172B1/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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/28—Articles or materials wholly enclosed in composite wrappers, i.e. wrappers formed by associating or interconnecting two or more sheets or blanks
    • B65D75/30—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding
    • B65D75/32—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents
    • B65D75/36—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents one sheet or blank being recessed and the other formed of relatively stiff flat sheet material, e.g. blister packages, the recess or recesses being preformed
    • B65D75/366—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents one sheet or blank being recessed and the other formed of relatively stiff flat sheet material, e.g. blister packages, the recess or recesses being preformed and forming one compartment
    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/28—Articles or materials wholly enclosed in composite wrappers, i.e. wrappers formed by associating or interconnecting two or more sheets or blanks
    • B65D75/30—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding
    • B65D75/32—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
    • C11D17/041—Compositions releasably affixed on a substrate or incorporated into a dispensing means
    • C11D17/042—Water soluble or water disintegrable containers or substrates containing cleaning compositions or additives for cleaning compositions
    • C11D17/043—Liquid or thixotropic (gel) compositions

Definitions

  • the invention relates to a water soluble package containing a fluid substance for release on dissolution of the package.
  • Detergent compositions for the machine washing of laundry are provided in many forms.
  • Probably the most prevalent form of laundry detergent is washing powder or granules.
  • a problem with the use of these forms of detergent is that the product needs to be dosed into the machine in such a way that the detergent is quickly and thoroughly dissolved in the wash water of the machine without coming into contact with the laundry in a solid form.
  • many dosing devices which seek to overcome this problem have been proposed.
  • 0 343 070 and 0 343 069 teaches the use of a flexible fabric sock which holds the particulate detergent in the machine, the fabric of the sock being permeable to water so as to allow water enter the sock and carry the detergent out of the sock through the fabric walls in the form of an aqueous solution.
  • More recently unit dose forms of detergent have been proposed in the form of compressed tablets of detergent powder.
  • a problem encountered with the provision of detergent tablets is that the tablets need to be strong enough to withstand storage and transport, yet weak enough to disintegrate and dissolve quickly in the washing machine.
  • a further problem is the need to prevent the tablets "posting" in the porthole and between the drums of conventional washing machines.
  • a water soluble package containing a fluid substance for release on dissolution of the package, characterised in that the package has a body portion for containing the substance comprising a first sheet of a water soluble material thermoformed to form a body wall of the body portion, and a second sheet of water soluble material superposed on the first sheet and sealed thereto along a continuous region of the superposed sheets to form a base wall of the body portion, and in that the body portion of the package is generally dome shaped.
  • the invention yields water soluble packages which are sufficiently robust to withstand (to a commercially acceptable level) the rigours of packaging and transport even when the fluid substance inside the package is a domestic consumer product such as a laundry detergent.
  • the combination of thermoforming the packages of the invention and forming the packages into a dome shape confers surprising advantages on the packages of the invention. It is thought that thermoforming reduces stress on the film during forming compared to other forming techniques. As will be shown below, applicants have found that the dome is a shape which yields greater uniformity of film thickness over the package and greater impact resistance of the package.
  • the maximum height of the body wall above the base wall is preferably less than or equal to the maximum width of the base wall.
  • the base wall is preferably generally circular but other dome shaped body portions according to the invention are envisaged. For example, dome shapes having rectangular, oval, square and triangular bases are envisaged.
  • the base of the dome will be substantially flat. Alternatively, the base may be somewhat concave or convex.
  • the resulting package is aysmmetrical about the base wall, although of course there can be one or more planes of symmetry perpendicular to the base wall.
  • the film has a thickness of between 10 and 1000 microns. More preferably the film has a thickness of between 20 and 80 microns, most preferably between 40 and 60 microns.
  • the substance contained within the package may be a liquid, a gel or a paste. If the substance is a liquid then preferably the liquid has a viscosity between 100 and 1000 centipoise, more preferably between 300 and 800 centipoise, even more preferably between 500 and 700 centipoise, and most preferably about 600 centipoise, when measured at 20°C at 105s -1 . In a preferred embodiment of the invention the substance is present in an amount of between 10 and 500ml, preferably between 10 and 100ml, most preferably between 10 and 50ml. Suitably, the capsule contains between 20 and 30ml of a fluid composition.
  • thermoformed film is moulded into the cavities blowing the film off the heating plate and/or by sucking the film into the cavities thus forming a plurality of recesses in the film which, once formed, are retained in their thermoformed orientation by the application of a vacuum through the walls of the cavities. This vacuum is maintained at least until the packages are sealed.
  • the composition in this case a non-aqueous liquid detergent is added to each of the recesses.
  • a second sheet of polyvinyl alcohol film is then superposed on the first sheet across the filled recesses and heat-sealed thereto using a sealing plate.
  • the packages formed are separated from the web of sheet film using cutting means. At this stage it is possible to release the vacuum on the die, and eject the formed packages from the forming die. In this way the packages are formed, filled and sealed while nesting in the forming die. In addition they may be cut while in the forming die as well.
  • the relative humidity of the atmosphere is controlled to ca. 50% humidity. This is done to maintain the heat sealing characteristics of the film.
  • the objective of this experimental work was to create thermoformed packages different shapes from the same material under the same conditions with the same depth of draw and approximately the same volume.
  • the formed packages were then tested for thickness at specific points using a micrometer. The results were then compared between shapes,
  • the rectangular shape shown is used only as an example to show the various points.
  • Points A & E are the same.
  • Points B, C and D are all equivalent in the dome shape and they were represented by Point F below.
  • the objective of this test was to show any differences, which exist, between the impact resistance of the dome shape and other shapes.
  • test specimen was placed on a hard surface immediately below the suspended dart. The dart was allowed to fall, striking the specimen centrally. The specimen was then examined and any rupture or leak recorded. If there was no rupture or leak, the specimen was subjected to successive impacts, each at a higher dart weight, until rupture did occur.
  • Dome, triangle (ie triangular pyramid) and cube shapes were tested.
  • Each package was formed from polyvinyl alcohol supplied by Chris Craft under reference CC8534.
  • the film thickness was 75 ⁇ m.
  • dome-shaped packages according to the invention containing a liquid laundry detergent, were placed randomly in a fibreboard box.
  • the box was made of "M-flute" material of dimensions 170 x 85 x 54 mm which had a total filled weight of 609g.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Composite Materials (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Packages (AREA)
  • Wrappers (AREA)
  • Detergent Compositions (AREA)
  • Bag Frames (AREA)
  • Laminated Bodies (AREA)
EP03013108A 1999-03-17 2000-02-29 Emballage hydrosoluble Revoked EP1361172B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9906175.6A GB9906175D0 (en) 1999-03-17 1999-03-17 A water soluble package
GB9906175 1999-03-17
EP00912519A EP1161382B1 (fr) 1999-03-17 2000-02-29 Emballage hydrosoluble

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP00912519A Division EP1161382B1 (fr) 1999-03-17 2000-02-29 Emballage hydrosoluble

Publications (2)

Publication Number Publication Date
EP1361172A1 true EP1361172A1 (fr) 2003-11-12
EP1361172B1 EP1361172B1 (fr) 2009-10-14

Family

ID=10849830

Family Applications (3)

Application Number Title Priority Date Filing Date
EP00912519A Revoked EP1161382B1 (fr) 1999-03-17 2000-02-29 Emballage hydrosoluble
EP03013108A Revoked EP1361172B1 (fr) 1999-03-17 2000-02-29 Emballage hydrosoluble
EP03003920A Withdrawn EP1314654A3 (fr) 1999-03-17 2000-02-29 Emballage hydrosoluble

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP00912519A Revoked EP1161382B1 (fr) 1999-03-17 2000-02-29 Emballage hydrosoluble

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP03003920A Withdrawn EP1314654A3 (fr) 1999-03-17 2000-02-29 Emballage hydrosoluble

Country Status (16)

Country Link
US (1) US20020033004A1 (fr)
EP (3) EP1161382B1 (fr)
CN (1) CN1344214A (fr)
AR (1) AR022943A1 (fr)
AT (2) ATE445548T1 (fr)
AU (1) AU3425600A (fr)
BR (1) BR0009049A (fr)
CA (1) CA2360804A1 (fr)
DE (3) DE60043162D1 (fr)
ES (2) ES2186595T3 (fr)
GB (1) GB9906175D0 (fr)
ID (1) ID30482A (fr)
RO (1) RO118946B1 (fr)
TR (1) TR200102519T2 (fr)
WO (1) WO2000055068A1 (fr)
ZA (1) ZA200105052B (fr)

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EP3205765A1 (fr) 2016-02-11 2017-08-16 The Procter and Gamble Company Procédé de lavage
EP3205600A1 (fr) * 2016-02-11 2017-08-16 The Procter and Gamble Company Produit emballé
EP3205601A1 (fr) * 2016-02-11 2017-08-16 The Procter and Gamble Company Produit emballé
EP3205599A1 (fr) * 2016-02-11 2017-08-16 The Procter and Gamble Company Produit emballé
JOP20190032A1 (ar) * 2017-06-14 2019-02-26 Grow Solutions Tech Llc أنظمة وطرق لوضع بذور في حجيرة نمو
JOP20190030A1 (ar) * 2017-06-14 2019-02-26 Grow Solutions Tech Llc رؤوس وسيلة وضع بذور دقيقة ومكونات وسيلة وضع بذور والتي تتضمن رؤوس وسيلة وضع بذور دقيقة
CN108004070B (zh) * 2017-11-24 2020-06-09 江苏金太阳纺织科技股份有限公司 一种防沾污洗衣凝珠及其制备方法
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CN115535335B (zh) * 2022-10-27 2024-06-14 重庆大学 一种巨电流变液变刚度弹性球组的制备装置及方法

Citations (8)

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EP0343069A1 (fr) 1988-05-18 1989-11-23 The Procter & Gamble Company Procédé de lavage du linge en machine avec un produit particulaire et dispositif pour sa mise en oeuvre
EP0343070A1 (fr) 1988-05-18 1989-11-23 The Procter & Gamble Company Procédé et dispositif pour le lavage du linge en machine avec un produit particulaire
EP0366231A1 (fr) * 1988-09-26 1990-05-02 Zimpro Environmental, Inc. Sac hermétique en PVA contenant du charbon actif et son usage dans le traitement de l eau
US4973416A (en) * 1988-10-14 1990-11-27 The Procter & Gamble Company Liquid laundry detergent in water-soluble package
EP0608910A1 (fr) * 1991-04-05 1994-08-03 Rhone-Poulenc Agriculture Ltd. Emballage pour pesticides
WO1996018713A1 (fr) * 1994-12-15 1996-06-20 Albemarle Corporation Produit lessiviel liquide

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2377118A (en) * 1940-11-30 1945-05-29 Mabe Corp Package
WO1989004282A1 (fr) * 1987-11-06 1989-05-18 Koska & Watts Limited Conditionnement pour substances contenant de l'eau
EP0343069A1 (fr) 1988-05-18 1989-11-23 The Procter & Gamble Company Procédé de lavage du linge en machine avec un produit particulaire et dispositif pour sa mise en oeuvre
EP0343070A1 (fr) 1988-05-18 1989-11-23 The Procter & Gamble Company Procédé et dispositif pour le lavage du linge en machine avec un produit particulaire
EP0366231A1 (fr) * 1988-09-26 1990-05-02 Zimpro Environmental, Inc. Sac hermétique en PVA contenant du charbon actif et son usage dans le traitement de l eau
US4973416A (en) * 1988-10-14 1990-11-27 The Procter & Gamble Company Liquid laundry detergent in water-soluble package
EP0608910A1 (fr) * 1991-04-05 1994-08-03 Rhone-Poulenc Agriculture Ltd. Emballage pour pesticides
WO1996018713A1 (fr) * 1994-12-15 1996-06-20 Albemarle Corporation Produit lessiviel liquide

Also Published As

Publication number Publication date
AU3425600A (en) 2000-10-04
BR0009049A (pt) 2002-01-15
CA2360804A1 (fr) 2000-09-21
ZA200105052B (en) 2002-09-20
DE60004976D1 (de) 2003-10-09
EP1314654A3 (fr) 2003-07-02
AR022943A1 (es) 2002-09-04
ES2334436T3 (es) 2010-03-10
US20020033004A1 (en) 2002-03-21
GB9906175D0 (en) 1999-05-12
RO118946B1 (ro) 2004-01-30
ID30482A (id) 2001-12-13
CN1344214A (zh) 2002-04-10
EP1161382A1 (fr) 2001-12-12
DE60004976T2 (de) 2004-05-19
ATE248758T1 (de) 2003-09-15
TR200102519T2 (tr) 2001-12-21
ES2186595T1 (es) 2003-05-16
DE1161382T1 (de) 2003-08-14
ATE445548T1 (de) 2009-10-15
WO2000055068A1 (fr) 2000-09-21
EP1361172B1 (fr) 2009-10-14
EP1314654A2 (fr) 2003-05-28
DE60043162D1 (de) 2009-11-26
EP1161382B1 (fr) 2003-09-03
ES2186595T3 (es) 2004-05-01

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