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GB2024773B - Multiwalled plastics bag - Google Patents

Multiwalled plastics bag

Info

Publication number
GB2024773B
GB2024773B GB7920197A GB7920197A GB2024773B GB 2024773 B GB2024773 B GB 2024773B GB 7920197 A GB7920197 A GB 7920197A GB 7920197 A GB7920197 A GB 7920197A GB 2024773 B GB2024773 B GB 2024773B
Authority
GB
United Kingdom
Prior art keywords
multiwalled
plastics bag
plastics
bag
multiwalled plastics
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
GB7920197A
Other versions
GB2024773A (en
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.)
WR Grace and Co
Original Assignee
WR Grace and 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 WR Grace and Co filed Critical WR Grace and Co
Priority to GB7920197A priority Critical patent/GB2024773B/en
Publication of GB2024773A publication Critical patent/GB2024773A/en
Application granted granted Critical
Publication of GB2024773B publication Critical patent/GB2024773B/en
Expired 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
    • 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
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2155/00—Flexible containers made from webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2155/00—Flexible containers made from webs
    • B31B2155/001—Flexible containers made from webs by folding webs longitudinally
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2170/00—Construction of flexible containers
    • B31B2170/20—Construction of flexible containers having multi-layered walls, e.g. laminated or lined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
GB7920197A 1978-06-26 1979-06-11 Multiwalled plastics bag Expired GB2024773B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7920197A GB2024773B (en) 1978-06-26 1979-06-11 Multiwalled plastics bag

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7827884 1978-06-26
GB7920197A GB2024773B (en) 1978-06-26 1979-06-11 Multiwalled plastics bag

Publications (2)

Publication Number Publication Date
GB2024773A GB2024773A (en) 1980-01-16
GB2024773B true GB2024773B (en) 1983-03-02

Family

ID=26268058

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7920197A Expired GB2024773B (en) 1978-06-26 1979-06-11 Multiwalled plastics bag

Country Status (1)

Country Link
GB (1) GB2024773B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH021133Y2 (en) * 1985-10-25 1990-01-11

Also Published As

Publication number Publication date
GB2024773A (en) 1980-01-16

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee