GB1041474A - Easy opening flat thermoplastic bags and method of making the same - Google Patents

Easy opening flat thermoplastic bags and method of making the same

Info

Publication number
GB1041474A
GB1041474A GB8795/64A GB879564A GB1041474A GB 1041474 A GB1041474 A GB 1041474A GB 8795/64 A GB8795/64 A GB 8795/64A GB 879564 A GB879564 A GB 879564A GB 1041474 A GB1041474 A GB 1041474A
Authority
GB
United Kingdom
Prior art keywords
bag
easy opening
making
same
creases
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
GB8795/64A
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.)
Millennium Petrochemicals Inc
Original Assignee
National Destillers and Chemical Corp
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
Priority claimed from US274120A external-priority patent/US3286005A/en
Priority claimed from US274119A external-priority patent/US3216646A/en
Application filed by National Destillers and Chemical Corp filed Critical National Destillers and Chemical Corp
Publication of GB1041474A publication Critical patent/GB1041474A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B65D33/01—Ventilation or drainage of bags
    • 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
    • B31B2160/00—Shape of flexible containers
    • B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents
    • 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
    • B31B70/26—Folding sheets, blanks or webs
    • B31B70/262—Folding sheets, blanks or webs involving longitudinally folding, i.e. along a line parallel to the direction of movement
    • B31B70/266—Folding sheets, blanks or webs involving longitudinally folding, i.e. along a line parallel to the direction of movement involving gusset-forming
    • 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
    • B31B70/26—Folding sheets, blanks or webs
    • B31B70/36—Folding sheets, blanks or webs by continuously feeding them to stationary members, e.g. plates, ploughs or cores

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Bag Frames (AREA)

Abstract

1,041,474. Easy opening thermoplastic bag. NATIONAL DISTILLERS & CHEMICAL CORPORATION. March 2, 1964 [April 19, 1963 (2)], No. 8795/64. Heading B8K. [Also in Division B5] A thermoplastic bag (Fig. 2) is provided with creases 17, 18 in the front and rear panels 10, 11 for providing an air channel into the interior of the bag. The creases may extend for the full length of the bag, and may be parallel to and equally spaced from the longitudinal edges of the bag. The front and rear panels 10, 11 may be joined together at their longitudinal edges by manufacturers creases 15, 16 and at least one such edge may extend through a continuous printed portion.
GB8795/64A 1963-04-19 1964-03-02 Easy opening flat thermoplastic bags and method of making the same Expired GB1041474A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US274120A US3286005A (en) 1963-04-19 1963-04-19 Method of making polyolefin bags
US274119A US3216646A (en) 1963-04-19 1963-04-19 Side printed easy opening polyolefin bag

Publications (1)

Publication Number Publication Date
GB1041474A true GB1041474A (en) 1966-09-07

Family

ID=26956613

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8795/64A Expired GB1041474A (en) 1963-04-19 1964-03-02 Easy opening flat thermoplastic bags and method of making the same

Country Status (3)

Country Link
BE (1) BE646603A (en)
DE (1) DE1479508B2 (en)
GB (1) GB1041474A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2293569A (en) * 1994-09-27 1996-04-03 Botec Dev Ltd A plastic bag production process

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2293569A (en) * 1994-09-27 1996-04-03 Botec Dev Ltd A plastic bag production process
GB2293569B (en) * 1994-09-27 1997-06-25 Botec Dev Ltd A plastic bag production process

Also Published As

Publication number Publication date
BE646603A (en) 1964-10-15
DE1479508B2 (en) 1973-01-18
DE1479508A1 (en) 1969-09-11

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