CA2095880C - Self-opening polyethylene bag stack and process for producing same - Google Patents

Self-opening polyethylene bag stack and process for producing same

Info

Publication number
CA2095880C
CA2095880C CA002095880A CA2095880A CA2095880C CA 2095880 C CA2095880 C CA 2095880C CA 002095880 A CA002095880 A CA 002095880A CA 2095880 A CA2095880 A CA 2095880A CA 2095880 C CA2095880 C CA 2095880C
Authority
CA
Canada
Prior art keywords
bags
self
bag stack
stack
opening bag
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 - Lifetime
Application number
CA002095880A
Other languages
English (en)
French (fr)
Other versions
CA2095880A1 (en
Inventor
M. Wayne Beasley
Wade D. Fletcher
Harry B. Wilfong, Jr.
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.)
Hilex Poly Co LLC
Original Assignee
Sonoco Products 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25676162&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2095880(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority to US07/859,037 priority Critical patent/US5335788A/en
Priority to EP93302418A priority patent/EP0562889A2/en
Application filed by Sonoco Products Co filed Critical Sonoco Products Co
Priority to CA002095880A priority patent/CA2095880C/en
Priority to CA002113843A priority patent/CA2113843C/en
Publication of CA2095880A1 publication Critical patent/CA2095880A1/en
Application granted granted Critical
Publication of CA2095880C publication Critical patent/CA2095880C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/001—Blocks, stacks or like assemblies of bags

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
CA002095880A 1992-03-27 1993-05-10 Self-opening polyethylene bag stack and process for producing same Expired - Lifetime CA2095880C (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US07/859,037 US5335788A (en) 1992-03-27 1992-03-27 Self-opening polyethylene bag stack and process for producing same
EP93302418A EP0562889A2 (en) 1992-03-27 1993-03-29 Self-opening polythylene bag stack and process for producing same
CA002095880A CA2095880C (en) 1992-03-27 1993-05-10 Self-opening polyethylene bag stack and process for producing same
CA002113843A CA2113843C (en) 1993-05-10 1993-05-10 Self-opening polyethylene bag stack and process for producing same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/859,037 US5335788A (en) 1992-03-27 1992-03-27 Self-opening polyethylene bag stack and process for producing same
CA002095880A CA2095880C (en) 1992-03-27 1993-05-10 Self-opening polyethylene bag stack and process for producing same

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA002113843A Division CA2113843C (en) 1993-05-10 1993-05-10 Self-opening polyethylene bag stack and process for producing same

Publications (2)

Publication Number Publication Date
CA2095880A1 CA2095880A1 (en) 1994-02-24
CA2095880C true CA2095880C (en) 1995-03-21

Family

ID=25676162

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002095880A Expired - Lifetime CA2095880C (en) 1992-03-27 1993-05-10 Self-opening polyethylene bag stack and process for producing same

Country Status (3)

Country Link
US (1) US5335788A (enExample)
EP (1) EP0562889A2 (enExample)
CA (1) CA2095880C (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8202001B1 (en) 2006-01-26 2012-06-19 Chunhua Zhang Self-opening bag pack and method thereof

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US10814577B2 (en) * 2006-08-11 2020-10-27 Gregorio Lim Tan Self opening wide mouth carryout bag pack, apparatus and method of making same
US20080035522A1 (en) * 2006-08-11 2008-02-14 Gregorio Lim Tan Self opening bag pack, apparatus and method of making same
US8915372B2 (en) * 2006-08-11 2014-12-23 Gregorio Lim Tan Self opening bag pack, apparatus and method of making same
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Publication number Priority date Publication date Assignee Title
US8202001B1 (en) 2006-01-26 2012-06-19 Chunhua Zhang Self-opening bag pack and method thereof

Also Published As

Publication number Publication date
EP0562889A3 (enExample) 1994-02-02
US5335788A (en) 1994-08-09
EP0562889A2 (en) 1993-09-29
CA2095880A1 (en) 1994-02-24

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Legal Events

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EEER Examination request