GB961821A - Packaging film - Google Patents

Packaging film

Info

Publication number
GB961821A
GB961821A GB1673163A GB1673163A GB961821A GB 961821 A GB961821 A GB 961821A GB 1673163 A GB1673163 A GB 1673163A GB 1673163 A GB1673163 A GB 1673163A GB 961821 A GB961821 A GB 961821A
Authority
GB
United Kingdom
Prior art keywords
film
embossments
rubber
vented
packaging film
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
GB1673163A
Inventor
Milton Oscar Schur
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.)
Olin Corp
Original Assignee
Olin 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
Application filed by Olin Corp filed Critical Olin Corp
Priority to GB1673163A priority Critical patent/GB961821A/en
Publication of GB961821A publication Critical patent/GB961821A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)

Abstract

961,821. Perforating film. OLIN MATHIESON CHEMICAL CORPORATION. April 29, 1963, No. 16731/63. Heading B4B. [Also in Division B8] A vented packaging film 10 of ductile material has a plurality of rows of embossments 11 each provided with openings in both its end walls 12, Fig. 4, or with a single opening in its end wall, Fig. 5. The film may be of polyolefine, polyethylene, polypropylene, polyvinyl chloride, or polyethylene terephthalate. There may be 100 to 1500 embossments per square inch in the film and the embossments may be provided on both sides of the film. The vented film may be formed by passing the film between a toothed roll and a rubber-covered backing roll; alternatively, the film may be advanced discontinuously over a rubber or like resilient surface and stamped by a reciprocating press provided with a plurality of teeth or punches. U.S.A. Specification 2,699,208 is referred to.
GB1673163A 1963-04-29 1963-04-29 Packaging film Expired GB961821A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1673163A GB961821A (en) 1963-04-29 1963-04-29 Packaging film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1673163A GB961821A (en) 1963-04-29 1963-04-29 Packaging film

Publications (1)

Publication Number Publication Date
GB961821A true GB961821A (en) 1964-06-24

Family

ID=10082639

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1673163A Expired GB961821A (en) 1963-04-29 1963-04-29 Packaging film

Country Status (1)

Country Link
GB (1) GB961821A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1980001079A1 (en) * 1978-11-17 1980-05-29 Unilever Nv Detergent products
US4348293A (en) 1978-11-17 1982-09-07 Lever Brothers Company Water-insoluble, water-permeable bag having a water-soluble or water-dispersable protective layer and containing a particulate detergent composition
US4555354A (en) * 1978-11-17 1985-11-26 Lever Brothers Company Detergents products

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1980001079A1 (en) * 1978-11-17 1980-05-29 Unilever Nv Detergent products
EP0011968A1 (en) * 1978-11-17 1980-06-11 Unilever Plc Particulate detergent composition contained within a closed bag of sheet material
US4348293A (en) 1978-11-17 1982-09-07 Lever Brothers Company Water-insoluble, water-permeable bag having a water-soluble or water-dispersable protective layer and containing a particulate detergent composition
US4555354A (en) * 1978-11-17 1985-11-26 Lever Brothers Company Detergents products

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