CA1024948A - Sac fabrique avec des polymeres coextrudes - Google Patents

Sac fabrique avec des polymeres coextrudes

Info

Publication number
CA1024948A
CA1024948A CA219,467A CA219467A CA1024948A CA 1024948 A CA1024948 A CA 1024948A CA 219467 A CA219467 A CA 219467A CA 1024948 A CA1024948 A CA 1024948A
Authority
CA
Canada
Prior art keywords
pouch made
coextruded polymers
coextruded
polymers
pouch
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.)
Expired
Application number
CA219,467A
Other languages
English (en)
Other versions
CA219467S (en
Inventor
Robert G. Mayworm
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.)
TOWER PRODUCTS
Original Assignee
TOWER PRODUCTS
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 TOWER PRODUCTS filed Critical TOWER PRODUCTS
Application granted granted Critical
Publication of CA1024948A publication Critical patent/CA1024948A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • B32B7/027—Thermal properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B1/00—Layered products having a non-planar shape
    • B32B1/08—Tubular products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
    • B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
    • B65D31/02—Bags or like containers made of paper and having structural provision for thickness of contents with laminated walls
    • 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
    • B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
    • B65D31/04—Bags or like containers made of paper and having structural provision for thickness of contents with multiple walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/31—Heat sealable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2323/00—Polyalkenes
    • B32B2323/04—Polyethylene
    • B32B2323/046—LDPE, i.e. low density polyethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2439/00—Containers; Receptacles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/15—Sheet, web, or layer weakened to permit separation through thickness

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Bag Frames (AREA)
CA219,467A 1974-05-17 1975-02-05 Sac fabrique avec des polymeres coextrudes Expired CA1024948A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/470,966 US3939972A (en) 1974-05-17 1974-05-17 Pouch made of coextruded polymers

Publications (1)

Publication Number Publication Date
CA1024948A true CA1024948A (fr) 1978-01-24

Family

ID=23869758

Family Applications (1)

Application Number Title Priority Date Filing Date
CA219,467A Expired CA1024948A (fr) 1974-05-17 1975-02-05 Sac fabrique avec des polymeres coextrudes

Country Status (2)

Country Link
US (1) US3939972A (fr)
CA (1) CA1024948A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5288531A (en) * 1991-08-09 1994-02-22 The Dow Chemical Company Pouch for packaging flowable materials

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4353498A (en) * 1981-01-05 1982-10-12 Health-Ex Corporation Multiple ply coextrusion
US4432826A (en) * 1981-01-05 1984-02-21 Health-Ex Corporation Coextrusion method and apparatus
US4539236A (en) * 1981-12-02 1985-09-03 Vilutis & Co., Inc. Laminated multi-layered film enclosures
DE3214240A1 (de) * 1982-04-17 1983-10-20 Focke & Co, 2810 Verden Beutelverpackung fuer tabak sowie verfahren und vorrichtung zum herstellen derselben
US4576285A (en) * 1983-05-20 1986-03-18 Fres-Co System Usa, Inc. Sealed flexible container with non-destructive peelable opening and apparatus and method for forming same
US4971454A (en) * 1989-11-16 1990-11-20 Kcl Corporation Reclosable bag having a top closure attached to a bag body composed of multiple thermoplastic layers
US5146840A (en) * 1989-11-22 1992-09-15 Heden-Team Ag Automatic baking apparatus and mixbag therefore
US5209573A (en) * 1991-06-17 1993-05-11 Mobil Oil Corporation Trash can liner
US5335478A (en) * 1993-01-08 1994-08-09 Aronsen Arthur N Multi-compartment dispenser pouch and method of making
DE4314514A1 (de) * 1993-05-03 1994-11-10 Herkules Verpackung Innensack für ein Behältnis
US5492240A (en) * 1994-02-15 1996-02-20 Vilutis & Co., Inc. Full perimeter conforming liner
DE59607200D1 (de) * 1995-04-24 2001-08-09 Ferag Ag Verfahren und Vorrichtung zur Herstellung von Musterbeuteln und nach dem Verfahren hergestellte Musterbeutel
US5689935A (en) * 1996-03-11 1997-11-25 Recot, Inc. Product package having reliable openability
US5944189A (en) * 1996-04-24 1999-08-31 Ferag Ag Sample bags having thickened regions
DE10030377A1 (de) 2000-06-21 2002-06-06 Wolff Walsrode Ag Verpackungsfolie mit verbesserter Packungsdichtigkeit sowie deren Verwendung als Verpackungsfolie
US6626312B2 (en) * 2000-06-28 2003-09-30 Javier Urzua Maturana Storage bag
US6488146B1 (en) * 2000-09-05 2002-12-03 Michael Dotsikas Multi-dose disposable medicant and fluid container
US7442659B2 (en) * 2001-03-08 2008-10-28 Biologische Insel Lothar Moll Gmbh & Co. Kg Use of ionomers for sealing insulating materials
US6966697B2 (en) * 2002-02-22 2005-11-22 Pactiv Corporation Trash bags with narrowing seals to facilitate gripping
US6827490B2 (en) * 2002-03-04 2004-12-07 Advanced Poly-Packaging, Inc. Preopened bags for automated baggers and related methods
US20050220376A1 (en) * 2002-05-15 2005-10-06 Kazuhiko Tsukanome Multi-bag and method of producing the same, and multi-bag for bag-making and filling
US7090904B2 (en) * 2002-11-08 2006-08-15 Exopack, L.L.C. Enhanced slider zipper multiwall bag and associated methods
US6902064B2 (en) * 2003-10-15 2005-06-07 Tg Tools United Company Packaging for grouped similar items, including elongated items such as drill bits and the like
US7140491B2 (en) * 2003-10-15 2006-11-28 Tg Tools United Company Packaging for grouped similar items, including elongated items such as drill bits and the like
US20060165319A1 (en) * 2005-01-21 2006-07-27 Pactiv Corporation Polymeric bags with narrowing seals
US20060251343A1 (en) * 2005-05-09 2006-11-09 True Charles W Flexible independent multi-layer container and method for forming
US20100310731A1 (en) * 2009-06-03 2010-12-09 Kraft Foods Global Brands Llc Method and apparatus to wrap a plastic container
US20120042883A1 (en) * 2010-08-17 2012-02-23 Internationl Oddities, Inc. Composite Packaging System For Particulate Smokable Product
US20130233877A1 (en) * 2012-03-06 2013-09-12 North American Salt Company Bulk bag with full perforation
US20170341836A1 (en) * 2014-11-27 2017-11-30 Dow Global Technologies Llc A package formed from a multilayer structure
US20170296381A1 (en) * 2016-04-14 2017-10-19 Paul Fox Sportswear cooling system
US20190092564A1 (en) * 2017-09-22 2019-03-28 Poly-America, L.P. Polymeric bags and method to make same
US20240424774A1 (en) * 2023-06-23 2024-12-26 Huhtamaki Flexible Packaging Germany Gmbh & Co. Kg Tube laminate with exactly one prefabricated film and polymer layers applied on both sides

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB940316A (en) * 1961-05-31 1963-10-30 Thomas Bonar & Co Canada Ltd Plastics composition bag
US3300120A (en) * 1965-04-02 1967-01-24 Ralston & Co Canada Ltd W Container
US3321125A (en) * 1966-01-03 1967-05-23 Nat Distillers Chem Corp Heavy duty 3-layer thermoplastic shipping bag
US3638784A (en) * 1970-06-04 1972-02-01 William A Bodolay Two compartment unitary bag
US3844409A (en) * 1972-11-27 1974-10-29 W Bodolay Two compartment unitary bag having shelf

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5288531A (en) * 1991-08-09 1994-02-22 The Dow Chemical Company Pouch for packaging flowable materials
US5364486A (en) * 1991-08-09 1994-11-15 The Dow Chemical Company Pouch for packaging flowable materials

Also Published As

Publication number Publication date
US3939972A (en) 1976-02-24

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