US20080230549A1 - Container - Google Patents

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Publication number
US20080230549A1
US20080230549A1 US10/572,386 US57238604A US2008230549A1 US 20080230549 A1 US20080230549 A1 US 20080230549A1 US 57238604 A US57238604 A US 57238604A US 2008230549 A1 US2008230549 A1 US 2008230549A1
Authority
US
United States
Prior art keywords
container
bottom wall
product
state
enclosing portion
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.)
Abandoned
Application number
US10/572,386
Other languages
English (en)
Inventor
Per Gustavsson
Peter Marbe
Bengt Jonsson
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.)
Ecolean AB
Original Assignee
Eco Lean Research and Development AS
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 Eco Lean Research and Development AS filed Critical Eco Lean Research and Development AS
Assigned to ECO LEON RESEARCH & DEVELOPMENT A/S reassignment ECO LEON RESEARCH & DEVELOPMENT A/S ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: GUSTAFSSON, PER, JONSSON, BENGT, MARBE, PETER
Publication of US20080230549A1 publication Critical patent/US20080230549A1/en
Assigned to ECOLEAN AB reassignment ECOLEAN AB ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ECOLEAN RESEARCH & DEVELOPMENT A/S
Abandoned 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
    • B65D75/008—Standing pouches, i.e. "Standbeutel"
    • 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
    • B65D75/52—Details
    • B65D75/54—Cards, coupons, or other inserts or accessories
    • B65D75/56—Handles or other suspension means
    • B65D75/563—Integral handles or suspension means
    • 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
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5816—Opening or contents-removing devices added or incorporated during package manufacture for tearing a corner or other small portion next to the edge, e.g. a U-shaped portion
    • B65D75/5822—Opening or contents-removing devices added or incorporated during package manufacture for tearing a corner or other small portion next to the edge, e.g. a U-shaped portion and defining, after tearing, a small dispensing spout, a small orifice or the like

Definitions

  • the present invention relates to a container for liquid contents and, more specifically, such a container of a collapsible type, comprising a compartment which is defined by two opposite side walls and a bottom wall and whose volume depends on the relative position of the walls.
  • Liquid products such as dairy products, juice or wine, can be packed in a number of different containers.
  • An increasingly frequently used container is of the type described by way of introduction and has great advantages since it can be manufactured at a relatively low cost.
  • a suitable container material such as a laminate material with a core layer of mineral-filled polyolefin
  • the container can also be made to exhibit environmentally advantageous properties.
  • a container of said type is known from, for example, WO9941155.
  • a drawback in some packages of this type is that in the filled state they have a tendency towards wrinkling.
  • Such wrinkling has a negative effect on the shape and appearance of the container and may, if the worst comes to the worst, result in wear on the side walls of the container and an indication involving a risk of leakage.
  • a container is provided according to the present invention, having the features as stated in claim 1 .
  • Preferred embodiments of the container will be evident from claims 2 - 8 which are dependent from claim 1 .
  • a container of a collapsible type for liquid contents comprising a compartment which is defined by two opposite side walls and a bottom wall and whose volume depends on the relative position of the walls.
  • the container comprises a product-enclosing portion which is formed by said walls and which in a filled state of the container extends from said bottom wall to the surface level of the contents held in the container.
  • the product-enclosing portion is adapted to be expanded by said contents to essentially assume the shape of a truncated cone with its narrow end facing away from said bottom wall.
  • a container which in a filled state can be made not to have a tendency to wrinkle. It is assumed that it is the frustoconical shape with the wider end of the product-enclosing portion facing downwards that causes the contents held in the container to expand the side walls of the container in a manner that counteracts wrinkling.
  • the product-enclosing portion can in its expanded state be essentially elliptic in cross-section.
  • said side walls are joined along an upper connecting portion, which in the area of said product-enclosing portion has opposite boundary lines, which face the compartment and which in an empty and flat state of the container taper away from the bottom wall of the container.
  • the ratio of the width of said bottom wall to the length thereof does not exceed 1/2.
  • ratios exceeding 1/2 may result in a bottom wall which in the filled state of the container is not expanded in an optimal manner and which therefore causes wrinkle-promoting tensions in the container walls.
  • the side walls are joined to the bottom wall along a lower connecting portion each, each connecting portion comprising end portions facing away from each other and connecting, at an obtuse angle ⁇ , to the upper connecting portion on an associated side of the container in a flat and empty state thereof, in which state said bottom wall is folded in two.
  • the end portions may be designed in such a manner that in the expanded state of the product-enclosing portion they connect to the upper connecting portion at an angle ⁇ not exceeding 180°.
  • said end portions are designed so as to be arranged, in the expanded state of the product-enclosing portion, along the circumferential surface of the thus formed frustoconical shape of said product-enclosing portion. It is assumed that the extent of the end portions along said circumferential surface counteracts the presence of wrinkle-promoting tensions in the walls of the container.
  • FIG. 1 a is a side view of an inventive container in an empty state.
  • FIG. 1 b is a cross-sectional view along line I-I in FIG. 1 a.
  • FIG. 2 a is a side view of the container in FIG. 1 a in a filled state.
  • FIG. 2 b is a cross-sectional view along line II-II in FIG. 2 a.
  • FIG. 3 is a perspective view of the container in FIG. 2 a.
  • FIGS. 1 a and 1 b illustrate an inventive container 1 in an empty and flat state.
  • the container 1 comprises two opposite side walls 2 and a bottom wall 3 , which in the shown state of the container 1 is folded in two.
  • the walls 2 , 3 define a compartment 4 .
  • the side walls 2 are joined to each other along an upper connecting portion 5 .
  • Said upper connecting portion 5 defines on a first side 6 of the container 1 a handle portion 7 .
  • the handle portion 7 can be designed in various ways, and in the embodiment illustrated it is designed as a duct 8 that can be filled with gas to produce an easy-to-grip handle which besides helps to stiffen the container 1 in the filled state.
  • the upper connecting portion 5 further defines a filling duct 9 which at its end facing away from the compartment 4 is sealed by an end seal 10 included in the upper connecting portion 5 .
  • said end seal 10 is removed, after which a filling tube (not shown) can be introduced through the filling duct 9 into the compartment 4 of the container 1 for filling of the same. Finally the filling duct 9 is resealed.
  • the container 1 also comprises a spout-forming portion 11 at the upper corner of a second side 12 of the container 1 opposite to said first side 6 .
  • a spout-forming portion 11 For opening of the container 1 , an end tab 13 is removed from said spout-forming portion 11 , after which the contents held in the container 1 can be poured out.
  • the end tab 13 is removed by cutting, tearing or the like. If the end tab 13 is arranged to be torn off, the container 1 may have a tear initiation 14 that facilitates tearing off.
  • Each side wall 2 is further joined to the bottom wall 3 along a lower connecting portion 15 , each connecting portion comprising end portions 16 which are facing away from each other and connect to the upper connecting portion 5 on the associated side 6 , 12 of the container 1 .
  • the walls 2 , 3 being joined to each other is meant that the walls 2 , 3 are joined by a sealing process, such as welding, gluing or the like.
  • Each lower connecting portion 15 can also, like in the shown embodiment of the inventive container 1 , comprise an intermediate portion 17 located between the two end portions 16 .
  • the walls 2 , 3 thus define a compartment 4 which in the empty and flat state of the container 1 has a non-existent volume (for the sake of clarity, the side walls 2 of the container 1 are shown slightly separated in FIG. 1 b ).
  • the compartment 4 is further sealed in said state and can thus be sterilised in connection with the manufacture of the container 1 and, with maintained sterility, be distributed to the location of filling the container 1 .
  • the volume of said compartment 4 depends on the relative position of the walls 2 , 3 , and in FIGS. 2 a and 2 b , to which reference is now also made, the container 1 has been filled with liquid contents 18 , whereby the walls 2 , 3 of the container 1 have assumed a relative position for defining a compartment 4 , whose volume essentially corresponds to the supplied contents 18 . It will be appreciated that a small air-filled volume may be formed just above a surface level of the contents 18 held in the compartment 4 of the container 1 . For the sake of clarity, this air-filled volume is highly exaggerated in FIG. 2 b.
  • the inventive container 1 is designed so that its tendency to wrinkle in the filled state is reduced.
  • the container 1 has a product-enclosing portion 19 which is formed by the walls 2 , 3 of the container and which in the filled state of the container extends from said bottom wall 3 to a surface level 20 of the contents 18 held in the compartment 4 of the container 1 .
  • the product-enclosing portion 19 is arranged to be expanded by said contents 18 to essentially assume the shape of an elliptic, truncated cone with its wide end facing the bottom wall.
  • the shape of the product-enclosing portion 19 is illustrated in FIG. 3 , to which reference is now also made, by the truncated cone 21 drawn in this Figure. In fact it has surprisingly been found that such a design of the product-enclosing portion 19 effectively counteracts wrinkling.
  • said product-enclosing portion 19 is in the embodiment illustrated arranged to essentially assume the shape of an elliptic, truncated cone 21 .
  • the shape can be allowed to deviate somewhat from said conical shape. For instance, it may in some cases be desirable to let the upper narrow end diverge somewhat to produce a projecting spout-forming portion 11 of the container 1 .
  • the upper connecting portion 5 of the container 1 is designed in such a manner that, in the area of said product-enclosing portion 19 , it has opposite boundary lines 22 which are facing the compartment 4 and extended in a tapering manner away from the bottom wall 3 when the container 1 is in a flat and empty state.
  • the boundary lines 22 can advantageously taper towards the compartment 4 in a curved manner in said direction.
  • the tapered shape is required because a bottom width B 1 of the container 1 will be contracted during filling of the container 1 while an upper width B 2 of the container 1 will be affected to a considerably smaller extent. This is quite obvious when comparing FIGS. 1 a and 2 a . It is especially apparent from FIG. 2 a that the tapering extent of the boundary lines 22 is maintained in the filled state of the container 1 , but to a smaller extent than in the flat and empty state of the container 1 ( FIG. 1 a ).
  • each end portion 16 of the respective lower connecting portion 15 connects to the upper connecting portion 5 at an obtuse angle ⁇ .
  • the angle ⁇ projected in the plane shown in FIG. 2 a , is still obtuse, whereby the tendency of the container 1 to wrinkle is further reduced.
  • said angle ⁇ does not exceed 180°, it is in fact guaranteed that an undesirable wrinkle is not formed in the transition between the respective end portions 16 and the upper connecting portion 5 .
  • Another factor that promotes the forming of a container 1 which is not inclined to wrinkle is the design of said end portions 16 so that these end portions, in the expanded state of the product-enclosing portion 19 , are arranged along the circumferential surface of the thus formed frustoconical shape of said portion 19 .
  • the design of the bottom wall 3 has been found to be important for the tendency of the container 1 to wrinkle. It has been found advantageous to design the bottom wall so that the ratio of its width to its length does not exceed 1/2. It has been found that ratios exceeding this quota result in a wrinkle on each side wall at a short distance from the bottom wall. It will be appreciated that there is also a lower limit of the ratio of the width of the bottom wall to its length, but this lower limit is more important for the stability of the filled container than for its tendency to wrinkle.
  • the length of the bottom wall 3 corresponds to the width B 1 of the container in the unfilled state and the width of the bottom wall 3 thus is the measure transversely of said length in the filled state of the container, as shown in FIG. 2 b.
  • an inventive container 1 has a gas-filled handle. It will be appreciated that this stiffening handle additionally helps to provide a container 1 which is not inclined to wrinkle in its filled state.
  • the inventive container 1 thus has a number of designs, which each help to provide a container 1 which is not inclined to wrinkle. It is possible that some of these designs themselves are not sufficient, and that it is necessary for the designs to appear together in order to provide a container 1 which is not inclined to wrinkle.
  • a container 1 is thus provided, whose tendency to wrinkle in the filled state is reduced.
  • a product-enclosing portion 19 formed by the walls 2 , 3 of the container 1 is arranged to be expanded by contents 18 held in the container 1 to essentially assume the shape of a truncated cone 21 with the wide end facing downwards, in which case said product-enclosing portion 19 is preferably given an elliptic cross-section.
  • This design of the container 1 has been found efficient for reducing wrinkles in the container 1 .
  • Additional means for counteracting wrinkling comprise designing the bottom wall 3 of the container 1 in such a manner that its width is to its length as maximum 1 to 2.
US10/572,386 2003-10-02 2004-09-29 Container Abandoned US20080230549A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE0302632A SE526951C2 (sv) 2003-10-02 2003-10-02 Förpackning
SE030263-5 2003-10-02
PCT/SE2004/001388 WO2005030598A1 (en) 2003-10-02 2004-09-29 Container

Publications (1)

Publication Number Publication Date
US20080230549A1 true US20080230549A1 (en) 2008-09-25

Family

ID=29398657

Family Applications (1)

Application Number Title Priority Date Filing Date
US10/572,386 Abandoned US20080230549A1 (en) 2003-10-02 2004-09-29 Container

Country Status (9)

Country Link
US (1) US20080230549A1 (pl)
EP (1) EP1670690B1 (pl)
CN (1) CN1860066B (pl)
AT (1) ATE406318T1 (pl)
DE (1) DE602004016191D1 (pl)
ES (1) ES2311855T3 (pl)
PL (1) PL1670690T3 (pl)
SE (1) SE526951C2 (pl)
WO (1) WO2005030598A1 (pl)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150122842A1 (en) * 2013-11-06 2015-05-07 The Procter & Gamble Company Containers having a product volume and a stand-off structure coupled thereto
US9896253B2 (en) 2015-04-10 2018-02-20 The Procter & Gamble Company Flexible containers with reinforcing seals
US20190008330A1 (en) * 2017-07-07 2019-01-10 Lota Lite Llc Compact portable ablution vessel

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE0700769L (sv) * 2007-03-28 2008-09-29 Ecolean Res & Dev As Rivanvisning
SE0702170L (sv) * 2007-09-28 2009-03-10 Ecolean Res & Dev As Metod för gasfyllning av ett handtagsparti hos en förpackning samt metod för att framställa en förpackning
DE102008062377A1 (de) * 2008-12-17 2010-07-15 Khs Ag Beutelverpackung mit Ausgießer und Luftgriff
JP2019014517A (ja) * 2017-07-07 2019-01-31 イーエヌ大塚製薬株式会社 スパウト付き包装容器

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3502521A (en) * 1966-01-14 1970-03-24 Louis Doyen Method of producing plastic containers
US4361235A (en) * 1978-02-15 1982-11-30 Societe Generale Des Eaux Minerales De Vittel Containers made of thin pliable synthetic material, and process of manufacturing it
US4377192A (en) * 1980-01-28 1983-03-22 Societe Generale Des Eaux Minerales De Vittel Pitcher-like vessel with reinforced handle
US4603433A (en) * 1983-11-15 1986-07-29 Societe General Des Eaux Minerales De Vittel Bag with handle usable as a stopper
US5273362A (en) * 1990-05-02 1993-12-28 Jebco Packaging Systems, Inc. Stand up plastic bag and method of manufacture
USD392559S (en) * 1996-08-19 1998-03-24 The Coca-Cola Company Container
US6076968A (en) * 1996-11-26 2000-06-20 The Coca-Cola Company Easy open flexible pouch
US20020076471A1 (en) * 2000-09-27 2002-06-20 Claes Olsson Combination storage packaging for concentrated/powdered material and container for product prepared therefrom and method of using packaging/container
US6485177B2 (en) * 2001-03-07 2002-11-26 Gary M. Bell Flexible stand-up pouch constructions for dispensing liquids
US20040052437A1 (en) * 2002-08-29 2004-03-18 Skymark Packaging Systems Inc. Pouch
US20040136620A1 (en) * 2003-01-14 2004-07-15 Derek Wilson Stand-up pouch
US20040248720A1 (en) * 2001-11-14 2004-12-09 Ake Rosen Container, device and method for manufacturing thereof
US20070041669A1 (en) * 2003-10-02 2007-02-22 Ake Rosen Container blank and container made thereof
USD537732S1 (en) * 2003-10-02 2007-03-06 Eco Lean Research & Development A/S Container

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1949690A1 (de) * 1969-10-02 1971-04-08 Egon Laumen Behaelter,insbesondere Milchbeutel,aus Kunststoffolie
FR2417440A1 (fr) * 1978-02-15 1979-09-14 Vittel Eaux Min Recipients en matiere synthetique
JPS6216347A (ja) * 1985-07-12 1987-01-24 平田　勲 簡易容器
EP0541821B1 (en) * 1991-05-29 1997-12-29 Sumitomo Bakelite Company Limited Self-standing bag and method and device for making said bag
EP0864508B1 (en) * 1997-03-12 2003-02-05 Goglio Luigi Milano S.P.A. Container of flexible material, particularly for liquid, viscous or granular products
SE513561C2 (sv) * 1998-02-17 2000-10-02 Eco Lean Ab Behållare, sätt och anordning för att framställa en behållare samt sätt och anordning för att fylla en behållare
DE29817142U1 (de) * 1998-09-24 2000-03-02 Bischof & Klein Standbodenbeutel aus schweißbarem Material

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3502521A (en) * 1966-01-14 1970-03-24 Louis Doyen Method of producing plastic containers
US4361235A (en) * 1978-02-15 1982-11-30 Societe Generale Des Eaux Minerales De Vittel Containers made of thin pliable synthetic material, and process of manufacturing it
US4377192A (en) * 1980-01-28 1983-03-22 Societe Generale Des Eaux Minerales De Vittel Pitcher-like vessel with reinforced handle
US4603433A (en) * 1983-11-15 1986-07-29 Societe General Des Eaux Minerales De Vittel Bag with handle usable as a stopper
US5273362A (en) * 1990-05-02 1993-12-28 Jebco Packaging Systems, Inc. Stand up plastic bag and method of manufacture
USD392559S (en) * 1996-08-19 1998-03-24 The Coca-Cola Company Container
US6076968A (en) * 1996-11-26 2000-06-20 The Coca-Cola Company Easy open flexible pouch
US20020076471A1 (en) * 2000-09-27 2002-06-20 Claes Olsson Combination storage packaging for concentrated/powdered material and container for product prepared therefrom and method of using packaging/container
US6485177B2 (en) * 2001-03-07 2002-11-26 Gary M. Bell Flexible stand-up pouch constructions for dispensing liquids
US20040248720A1 (en) * 2001-11-14 2004-12-09 Ake Rosen Container, device and method for manufacturing thereof
US20040052437A1 (en) * 2002-08-29 2004-03-18 Skymark Packaging Systems Inc. Pouch
US20040136620A1 (en) * 2003-01-14 2004-07-15 Derek Wilson Stand-up pouch
US20070041669A1 (en) * 2003-10-02 2007-02-22 Ake Rosen Container blank and container made thereof
USD537732S1 (en) * 2003-10-02 2007-03-06 Eco Lean Research & Development A/S Container
US7819582B2 (en) * 2003-10-02 2010-10-26 Eco Lean Research & Development A/S Container blank and container made thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150122842A1 (en) * 2013-11-06 2015-05-07 The Procter & Gamble Company Containers having a product volume and a stand-off structure coupled thereto
US9896253B2 (en) 2015-04-10 2018-02-20 The Procter & Gamble Company Flexible containers with reinforcing seals
US20190008330A1 (en) * 2017-07-07 2019-01-10 Lota Lite Llc Compact portable ablution vessel
US10682019B2 (en) * 2017-07-07 2020-06-16 Lota Lite Llc Compact portable ablution vessel

Also Published As

Publication number Publication date
SE526951C2 (sv) 2005-11-22
PL1670690T3 (pl) 2009-01-30
ATE406318T1 (de) 2008-09-15
EP1670690B1 (en) 2008-08-27
CN1860066B (zh) 2010-08-11
ES2311855T3 (es) 2009-02-16
SE0302632D0 (sv) 2003-10-02
WO2005030598A1 (en) 2005-04-07
EP1670690A1 (en) 2006-06-21
CN1860066A (zh) 2006-11-08
SE0302632L (sv) 2005-04-03
DE602004016191D1 (de) 2008-10-09

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AS Assignment

Owner name: ECO LEON RESEARCH & DEVELOPMENT A/S, DENMARK

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:GUSTAFSSON, PER;MARBE, PETER;JONSSON, BENGT;REEL/FRAME:018607/0530

Effective date: 20061106

AS Assignment

Owner name: ECOLEAN AB, SWEDEN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:ECOLEAN RESEARCH & DEVELOPMENT A/S;REEL/FRAME:030155/0283

Effective date: 20130314

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION

AS Assignment

Owner name: FRANTZ, CATHERN J., WISCONSIN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:FRANTZ, DONALD R.;REEL/FRAME:051937/0622

Effective date: 20200226