EP0893356A1 - Mehrlagiger, druckfester Behälter - Google Patents

Mehrlagiger, druckfester Behälter Download PDF

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Publication number
EP0893356A1
EP0893356A1 EP97202295A EP97202295A EP0893356A1 EP 0893356 A1 EP0893356 A1 EP 0893356A1 EP 97202295 A EP97202295 A EP 97202295A EP 97202295 A EP97202295 A EP 97202295A EP 0893356 A1 EP0893356 A1 EP 0893356A1
Authority
EP
European Patent Office
Prior art keywords
container
outer layer
pressure
layer
layers
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.)
Withdrawn
Application number
EP97202295A
Other languages
English (en)
French (fr)
Inventor
André Marie Gustav Jacobs
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.)
Procter and Gamble Co
Original Assignee
Procter and Gamble Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Procter and Gamble Co filed Critical Procter and Gamble Co
Priority to EP97202295A priority Critical patent/EP0893356A1/de
Priority to PCT/US1998/014691 priority patent/WO1999005035A1/en
Priority to ZA986549A priority patent/ZA986549B/xx
Publication of EP0893356A1 publication Critical patent/EP0893356A1/de
Withdrawn legal-status Critical Current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
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
    • B65D1/0207—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by material, e.g. composition, physical features
    • B65D1/0215—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by material, e.g. composition, physical features multilayered
    • 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
    • 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
    • B65D23/00—Details of bottles or jars not otherwise provided for
    • B65D23/02—Linings or internal coatings
    • 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
    • B65D79/00—Kinds or details of packages, not otherwise provided for
    • B65D79/005—Packages having deformable parts for indicating or neutralizing internal pressure-variations by other means than venting
    • B65D79/008—Packages having deformable parts for indicating or neutralizing internal pressure-variations by other means than venting the deformable part being located in a rigid or semi-rigid container, e.g. in bottles or jars
    • B65D79/0084—Packages having deformable parts for indicating or neutralizing internal pressure-variations by other means than venting the deformable part being located in a rigid or semi-rigid container, e.g. in bottles or jars in the sidewall or shoulder part thereof
    • 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

Definitions

  • the present invention relates to a container made from a co-extruded multilayer parison sustaining its external shape under pressure variation.
  • the problem of package deformation is well known in the packaging industry.
  • the package deformation may be in response to pressure differences existing between the inside of an airtight package and the ambient pressure.
  • Such package deformation may be non-recoverable for certain package materials, like some plastics or metals. Thin-walled, partially flexible packages are particularly sensitive to the problem.
  • the content of the package may, for example, be chemically unstable or may be subject to reaction with gases which may exist in the head space of the package, or alternatively, in certain specific circumstances, may react with the package material itself. Any chemical reactions involving the liquid contents may lead to the absorption of any head space gases thereby causing under-pressure in the package.
  • Pressure differences between the pressure inside the container and the ambient atmospheric pressure may also occur when the temperature during the filling and sealing of the container is significantly different from external temperature during shipment, transportation and storage. Another possibility of a pressure difference may be caused by a different ambient pressure at the filling of the container from another ambient pressure at a different geographical location, for example when hermetically sealed bottles are filled in a mountain area and moved to the sea level.
  • EP-0 182 094 describes a container which can sustain such pressure differences, by having an inner collapsible layer and an outer rigid layer, whereby the space between the layer is in contact with the outside through an open seam at the bottom of the bottle.
  • the bottles disclosed in US-5447678 and US-5567377 are made of a collapsible inner layer and a rigid outer layer which do not adhere to each other, whereby the space between the layers is can be filled with air through a hole or through non-welded seams.
  • the present invention relates to a container formed from at least two layers including an outer layer and an inner layer, the inner and the outer layers are co-extruded and do not adhere to each other, the inner layer being collapsible.
  • the present invention provides a container in a manner to satisfy the aforementioned need.
  • the container of the invention is characterised in that the outer layer is porous.
  • the present invention relates to a container. Different kinds of containers are encompassed by the invention.
  • the container of the invention normally contains a flowable material (5) and a head space (6), and is usually air tight.
  • such a container can be subject to pressure variation due to a reaction of the gas of the head space (6) with the content, which is particularly the case when the container is containing surfactants, or due to a variation of the atmospheric pressure.
  • These pressure variations can produce a lower inner pressure or a higher inner pressure.
  • the container tends to collapse, and in case of a higher inner pressure the container tends to bulge.
  • Such containers comprise bottles, bags or boxes.
  • the flowable material (5) contained encompasses materials which are flowable under gravity or may be pumped. Such materials include liquids, pastes, gels, emulsions or powders.
  • the present invention relates to a container formed from a co-extrusion process.
  • Co-extrusion is commonly used for making containers. This process involves extrusion of a multilayer parson blown in a molded cavity to take the shape of the final container.
  • This process has the advantage of being a very widely used, standard and economical process.
  • two layers are sufficient, but more layers can be used. However, it is important that at least two adjacent layers are not adhering to each other, meaning that these layers should be made of incompatible thermoplastic materials. As a consequence, these layers can be separated from each other once the container is formed. However, it may be useful that these layers be glued to each other at some points of the structure of the container, in order to improve rigidity of the assembly.
  • the inner layer (2) should be collapsible. Indeed, the inner layer (2) should be able to adapt its shape to pressure variations in the bottle, particularly in case of a lower inner pressure.
  • the outer layer (1) should preferably be made of a rigid material, so that it could for example sustain a higher inner pressure.
  • the separation of the outer and of the inner layer (2) will be facilitated if the inner is collapsible and if the outer is rigid. Separation would also be facilitated if the inner material shrinks more than the outer material.
  • a stretchable material would also be very appropriate for making the inner layer (2), particularly if the permeation of the outer layer is slow (2).
  • Example of materials with appropriate rigidity can include Poly-Propylene or Poly-Ethlene-Therephtalate for the outer bottle, and for example Low Density Poly-Ethylene for the inner bottle. Other materials with suitable characteristics can also be used.
  • the container may comprise supplementary layers. However, because the porosity of the outer layer (1) is important, it should not be covered with a non porous material.
  • the outer layer (1) should be porous.
  • the outer and the inner layer (2) will be able to separate only if the interstitial space which is consequently between the two layers formed can be filled, for example with air.
  • the outer layer (1) has to be porous.
  • Alternative solutions are proposed in the prior art, but they all involve special manufacturing processes according to which a hole is made, or a seam is not welded.
  • porous material it is meant that it should let gas through.
  • a convenient way to measure porosity is given by the oxygen transmission rate of the material. It is not necessary that this transmission rate be very high because some pressure variations are slow, such as the atmospheric pressure variation, so that a low transmission rate can be sufficient.
  • Low transmission rates for the outer layer (1) to be porous would be of about 50 cm 3 /day/atmosphere/m 2 .
  • a higher oxygen transmission rate of the material should be higher, of the order of 10 000 cm 3 /day/atmosphere/m 2 for example.
  • Such porosity values can be achieved by materials comprising micro-holes. These can be obtained by using recycled material containing impurities, for example, which is also very satisfactory for environmental reasons.
  • the material be made of up to 100% of post consumer recycled material, preferably between 10 to 50% by weight, most preferably between 20 to 30% by weight.
  • the material forming the outer layer (1) should have an oxygen transmission rate comprised between 10 cm 3 /day/atmosphere/m 2 and 50 000 cm 3 /day/atmosphere/m 2 , preferably between 100 cm 3 /day/atmosphere/m 2 and 30 000 cm 3 /day/atmosphere/m 2 , most preferably between 1000 and 20 000 cm 3 /day/atmosphere/m 2 and even more preferably between 5000 and 10 000 cm 3 /day/atmosphere/m 2 .
  • the structure of the container can be such that the inner layer (2) is held by top and bottom pinching (3).
  • Other structural modifications can be used for reinforcing the structure, such as the means described in EP-751071.
  • the aim is to avoid structure distortion which can be due to higher inner pressure or to stacking of the containers.
EP97202295A 1997-07-23 1997-07-23 Mehrlagiger, druckfester Behälter Withdrawn EP0893356A1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP97202295A EP0893356A1 (de) 1997-07-23 1997-07-23 Mehrlagiger, druckfester Behälter
PCT/US1998/014691 WO1999005035A1 (en) 1997-07-23 1998-07-16 Multilayer pressure resistant container
ZA986549A ZA986549B (en) 1997-07-23 1998-07-22 Multilayer pressure resistant container

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP97202295A EP0893356A1 (de) 1997-07-23 1997-07-23 Mehrlagiger, druckfester Behälter

Publications (1)

Publication Number Publication Date
EP0893356A1 true EP0893356A1 (de) 1999-01-27

Family

ID=8228581

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97202295A Withdrawn EP0893356A1 (de) 1997-07-23 1997-07-23 Mehrlagiger, druckfester Behälter

Country Status (3)

Country Link
EP (1) EP0893356A1 (de)
WO (1) WO1999005035A1 (de)
ZA (1) ZA986549B (de)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007131790A3 (de) * 2006-05-16 2008-02-21 Seaquist Perfect Dispensing Abgabevorrichtung
EP2172400A1 (de) * 2007-06-29 2010-04-07 Yoshino Kogyosyo Co., Ltd. Doppelbehälter aus kunstharz durch ein direktblasformverfahren
WO2012085375A1 (fr) * 2010-12-22 2012-06-28 Promens Sa Flacon multiparois avec allègement de structure et procédé pour sa réalisation
US8225966B2 (en) 2006-03-15 2012-07-24 Seaquist Perfect Dispensing Gmbh Dispensing device
US8261952B2 (en) 2006-09-07 2012-09-11 Seaquist Perfect Dispensing Gmbh Dispensing device
US8286839B2 (en) 2008-08-12 2012-10-16 Aptar Dortmund Gmbh Dispensing device
US8453875B2 (en) 2008-06-20 2013-06-04 Aptar Dortmund Gmbh Dispensing device
US8573449B2 (en) 2006-06-08 2013-11-05 Aptar Dortmund Gmbh Dispensing device having an elastically deformable section for pumping a fluid
US8616416B2 (en) 2008-08-12 2013-12-31 Aptar Dortmund Gmbh Delivery head
US8616417B2 (en) 2009-06-25 2013-12-31 Aptar Dortmund Gmbh Valve and discharge device
US8863994B2 (en) 2007-03-15 2014-10-21 Aptar Dortmund Gmbh Dispensing device
CN107207113A (zh) * 2015-01-30 2017-09-26 株式会社吉野工业所 双重容器
EP3372372A1 (de) 2017-03-09 2018-09-12 Aptar Radolfzell GmbH Verfahren zur herstellung eines behältersystems und eines flüssigkeitsspenders sowie hiermit hergestelltes behältersystem und hiermit hergestellter flüssigkeitsspender
US10669059B2 (en) 2013-11-27 2020-06-02 Kyoraku Co., Ltd. Delaminatable container

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6025039B2 (ja) * 2012-10-31 2016-11-16 株式会社吉野工業所 ブロー成形容器と内層の処理方法
JP7206662B2 (ja) * 2018-07-18 2023-01-18 東洋製罐グループホールディングス株式会社 二重容器
JP7295393B2 (ja) * 2019-03-27 2023-06-21 キョーラク株式会社 積層剥離容器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4979631A (en) * 1988-11-14 1990-12-25 Continental Pet Technologies, Inc. Vented recyclable multilayer barrier container
DE4023718A1 (de) * 1990-07-26 1992-01-30 Kullberg Jun Verfahren zur herstellung eines behaelters oder einer flasche
WO1993017919A1 (en) * 1992-03-10 1993-09-16 The Procter & Gamble Company Labelled container incorporating recycled plastic

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3442092A1 (de) 1984-11-17 1986-05-28 Kautex Werke Reinold Hagen AG, 5300 Bonn Verfahren zum herstellen einer mit einer verschliessbaren oeffnung versehenen verpackung und nach diesem verfahren hergestellte verpackung
AU666324B2 (en) 1991-08-05 1996-02-08 Yoshino Kogyosho Co., Ltd. Bottle of laminate structure and method of making said bottle
DE4139555A1 (de) 1991-09-18 1993-03-25 Gaplast Gmbh Behaelter
DK0751071T3 (da) 1995-06-26 2002-03-18 Procter & Gamble Beholder til væskeformige produkter

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4979631A (en) * 1988-11-14 1990-12-25 Continental Pet Technologies, Inc. Vented recyclable multilayer barrier container
DE4023718A1 (de) * 1990-07-26 1992-01-30 Kullberg Jun Verfahren zur herstellung eines behaelters oder einer flasche
WO1993017919A1 (en) * 1992-03-10 1993-09-16 The Procter & Gamble Company Labelled container incorporating recycled plastic

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9205437B2 (en) 2006-03-15 2015-12-08 Aptar Dortmund Gmbh Dispensing device
US8602266B2 (en) 2006-03-15 2013-12-10 Aptar Dortmund Gmbh Dispensing device
US8225966B2 (en) 2006-03-15 2012-07-24 Seaquist Perfect Dispensing Gmbh Dispensing device
US8240518B2 (en) 2006-05-16 2012-08-14 Seaquist Perfect Dispensing Gmbh Dispensing device and container for a cosmetic liquid
WO2007131790A3 (de) * 2006-05-16 2008-02-21 Seaquist Perfect Dispensing Abgabevorrichtung
US8573449B2 (en) 2006-06-08 2013-11-05 Aptar Dortmund Gmbh Dispensing device having an elastically deformable section for pumping a fluid
US8261952B2 (en) 2006-09-07 2012-09-11 Seaquist Perfect Dispensing Gmbh Dispensing device
US8863994B2 (en) 2007-03-15 2014-10-21 Aptar Dortmund Gmbh Dispensing device
AU2008272244B2 (en) * 2007-06-29 2013-06-20 Yoshino Kogyosho Co., Ltd. Synthetic resin double container molded by direct blow molding process
CN101547836B (zh) * 2007-06-29 2013-07-31 株式会社吉野工业所 利用直接吹塑成形法形成的合成树脂制双层容器
EP2172400A1 (de) * 2007-06-29 2010-04-07 Yoshino Kogyosyo Co., Ltd. Doppelbehälter aus kunstharz durch ein direktblasformverfahren
EP2172400A4 (de) * 2007-06-29 2010-07-14 Yoshino Kogyosho Co Ltd Doppelbehälter aus kunstharz durch ein direktblasformverfahren
US8678245B2 (en) 2008-06-20 2014-03-25 Aptar Dortmund Gmbh Dispensing device
US8453875B2 (en) 2008-06-20 2013-06-04 Aptar Dortmund Gmbh Dispensing device
US8286839B2 (en) 2008-08-12 2012-10-16 Aptar Dortmund Gmbh Dispensing device
US8616416B2 (en) 2008-08-12 2013-12-31 Aptar Dortmund Gmbh Delivery head
US8616417B2 (en) 2009-06-25 2013-12-31 Aptar Dortmund Gmbh Valve and discharge device
GB2504836A (en) * 2010-12-22 2014-02-12 Promens Sa Multi-Walled flask having a lightweight structure, and method for creating said flask
FR2969585A1 (fr) * 2010-12-22 2012-06-29 Promens Sa Flacon multiparois avec allegement de structure et procede pour sa realisation
WO2012085375A1 (fr) * 2010-12-22 2012-06-28 Promens Sa Flacon multiparois avec allègement de structure et procédé pour sa réalisation
DE112011103866T5 (de) 2010-12-22 2013-08-22 Promens S.A. Mehrwandflakon mit gewichtsreduzierter Struktur und Verfahren für seine Herstellung
DE112011103866B4 (de) * 2010-12-22 2016-02-18 Promens S.A. Mehrwandflakon mit gewichtsreduzierter Struktur und Verfahren für seine Herstellung
US10669059B2 (en) 2013-11-27 2020-06-02 Kyoraku Co., Ltd. Delaminatable container
CN107207113A (zh) * 2015-01-30 2017-09-26 株式会社吉野工业所 双重容器
CN107207113B (zh) * 2015-01-30 2019-03-19 株式会社吉野工业所 双重容器
EP3372372A1 (de) 2017-03-09 2018-09-12 Aptar Radolfzell GmbH Verfahren zur herstellung eines behältersystems und eines flüssigkeitsspenders sowie hiermit hergestelltes behältersystem und hiermit hergestellter flüssigkeitsspender
WO2018162217A1 (de) 2017-03-09 2018-09-13 Aptar Radolfzell Gmbh Verfahren zur herstellung eines behältersystems und eines flüssigkeitsspenders sowie hiermit hergestelltes behältersystem und hiermit hergestellter flüssigkeitsspender
US11345077B2 (en) 2017-03-09 2022-05-31 Aptar Radolfzell Gmbh Method for producing a container system and a liquid dispenser, as well as container system produced in this way and liquid dispenser produced in this way

Also Published As

Publication number Publication date
WO1999005035A1 (en) 1999-02-04
ZA986549B (en) 1999-01-25

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