CA2250733A1 - Foam in bag packaging system - Google Patents

Foam in bag packaging system

Info

Publication number
CA2250733A1
CA2250733A1 CA002250733A CA2250733A CA2250733A1 CA 2250733 A1 CA2250733 A1 CA 2250733A1 CA 002250733 A CA002250733 A CA 002250733A CA 2250733 A CA2250733 A CA 2250733A CA 2250733 A1 CA2250733 A1 CA 2250733A1
Authority
CA
Canada
Prior art keywords
foam
bag
frangible seal
packaging system
cells
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
CA002250733A
Other languages
French (fr)
Other versions
CA2250733C (en
Inventor
Laurence Burst Sperry
Anthony Orkin Davlin
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.)
Sealed Air Corp
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2250733A1 publication Critical patent/CA2250733A1/en
Application granted granted Critical
Publication of CA2250733C publication Critical patent/CA2250733C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • B65D81/02—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 specially adapted to protect contents from mechanical damage
    • B65D81/05—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 specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents
    • 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
    • B65D81/02—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 specially adapted to protect contents from mechanical damage
    • B65D81/05—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 specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents
    • B65D81/051—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 specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents using pillow-like elements filled with cushioning material, e.g. elastic foam, fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
    • B29C44/18—Filling preformed cavities
    • B29C44/182—Filling flexible bags not having a particular shape
    • B29C44/183—Filling flexible bags not having a particular shape the components being kept apart in different containers within the bag, and mixed upon rupture of the containers
    • 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

Abstract

A foam-in-place packaging system is disclosed that comprises a flexible bag (23) closed on its side edges. A frangible seal (37) defines separate interior cells (41, 42) in the bag. The frangible seal defines an interior cell when the frangible seal is broken. The cells separately contain a first and second foam precursor composition, and the bag may include means for permitting gases to vent from the bag as the foam precursors form foam. As a result, when the frangible seal is broken, the separate cells form an interior cell in which the first and second foam precursors can mix and react properly and permit the resulting foam to expand and flow within the resulting interior cell of the bag.
CA002250733A 1996-04-03 1997-04-01 Foam in bag packaging system Expired - Fee Related CA2250733C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/626,981 US5699902A (en) 1996-04-03 1996-04-03 Foam in bag packaging system
US08/626,981 1996-04-03
PCT/US1997/005434 WO1997036796A1 (en) 1996-04-03 1997-04-01 Foam in bag packaging system

Publications (2)

Publication Number Publication Date
CA2250733A1 true CA2250733A1 (en) 1997-10-09
CA2250733C CA2250733C (en) 2002-10-29

Family

ID=24512675

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002250733A Expired - Fee Related CA2250733C (en) 1996-04-03 1997-04-01 Foam in bag packaging system

Country Status (13)

Country Link
US (3) US5699902A (en)
EP (1) EP0892746B1 (en)
JP (1) JP3415851B2 (en)
KR (1) KR100306970B1 (en)
CN (1) CN1083382C (en)
AT (1) ATE205159T1 (en)
AU (1) AU2604197A (en)
BR (1) BR9708422A (en)
CA (1) CA2250733C (en)
DE (1) DE69706532T2 (en)
ES (1) ES2162274T3 (en)
HK (1) HK1018244A1 (en)
WO (1) WO1997036796A1 (en)

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Also Published As

Publication number Publication date
CN1083382C (en) 2002-04-24
US5699902A (en) 1997-12-23
DE69706532T2 (en) 2002-05-23
KR20000005252A (en) 2000-01-25
WO1997036796A1 (en) 1997-10-09
JP3415851B2 (en) 2003-06-09
AU2604197A (en) 1997-10-22
DE69706532D1 (en) 2001-10-11
HK1018244A1 (en) 1999-12-17
US5873221A (en) 1999-02-23
CN1219154A (en) 1999-06-09
BR9708422A (en) 1999-08-03
KR100306970B1 (en) 2002-11-30
CA2250733C (en) 2002-10-29
US5913603A (en) 1999-06-22
JP2000509353A (en) 2000-07-25
ATE205159T1 (en) 2001-09-15
ES2162274T3 (en) 2001-12-16
EP0892746B1 (en) 2001-09-05
EP0892746A1 (en) 1999-01-27

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