GB1502711A - Bags - Google Patents

Bags

Info

Publication number
GB1502711A
GB1502711A GB5995/76A GB599576A GB1502711A GB 1502711 A GB1502711 A GB 1502711A GB 5995/76 A GB5995/76 A GB 5995/76A GB 599576 A GB599576 A GB 599576A GB 1502711 A GB1502711 A GB 1502711A
Authority
GB
United Kingdom
Prior art keywords
bag
strip
opening
adhesive layer
plies
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
GB5995/76A
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.)
Roeder Industrial Holdings Ltd
Original Assignee
Roeder Industrial Holdings Ltd
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 Roeder Industrial Holdings Ltd filed Critical Roeder Industrial Holdings Ltd
Publication of GB1502711A publication Critical patent/GB1502711A/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
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/16—End- or aperture-closing arrangements or devices
    • B65D33/18—End- or aperture-closing arrangements or devices using adhesive applied to integral parts, e.g. to flaps
    • B65D33/20—End- or aperture-closing arrangements or devices using adhesive applied to integral parts, e.g. to flaps using pressure-sensitive adhesive
    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/04—Articles or materials wholly enclosed in single sheets or wrapper blanks
    • B65D75/20—Articles or materials wholly enclosed in single sheets or wrapper blanks in sheets or blanks doubled around contents and having their opposed free margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding
    • 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
    • B31B70/812—Applying patches, strips or strings on sheets or webs
    • B31B70/8123—Applying strips

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Bag Frames (AREA)
  • Laminated Bodies (AREA)
  • Making Paper Articles (AREA)

Abstract

1502711 Plastics bags ROEDER INDUSTRIAL HOLDINGS Ltd 16 Feb 1976 [20 May 1975] 05995/76 Heading B8K [Also in Division B5] A bag 1 comprises two superimposed plies 2, 3 of plastics film material joined together to define an opening 5 and a flap 11, and an adhesive layer 7 covered by a protective strip 13 and located on the ply 3 at a position enabling the opening to be sealed by pressure urging the plies together at the location of the adhesive layer when the strip 13 has been removed. The layer 7 is a continuous or discontinuous strip. The bag may be of polypropylene and the release strip 13 of a material which does not weld to the bag edges when the bag is being formed, e.g. polyethylene.
GB5995/76A 1975-05-20 1976-02-16 Bags Expired GB1502711A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE156514A BE829266A (en) 1975-05-20 1975-05-20 BAG OF PLASTIC MATERIAL AND ITS MANUFACTURING PROCESS

Publications (1)

Publication Number Publication Date
GB1502711A true GB1502711A (en) 1978-03-01

Family

ID=3842776

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5995/76A Expired GB1502711A (en) 1975-05-20 1976-02-16 Bags

Country Status (4)

Country Link
BE (1) BE829266A (en)
GB (1) GB1502711A (en)
IE (1) IE42295B1 (en)
NL (1) NL7604450A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10464718B2 (en) 2016-12-09 2019-11-05 Pan Pacific Plastics Mfg., Inc. Sealable wave bag assembly with integrated venting
USD840835S1 (en) 2016-12-09 2019-02-19 Pan Pacific Plastics Mfg., Inc. Sealable wave bag

Also Published As

Publication number Publication date
BE829266A (en) 1975-09-15
IE42295L (en) 1976-11-20
NL7604450A (en) 1976-11-23
IE42295B1 (en) 1980-07-16

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Legal Events

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

Effective date: 19940216