Packages having readily peelable seals

Details Packages having readily peelable seals Packages having readily peelable seals

1981-02-06

1983-05-10

Dixson, Jr., William T.

Special receptacle or package

Laminate sheet packet

With gas permeable cover

426113, 426127, 53443, 206621, 206631, 229 43, 229 35R, B65D 6526, B65B 2506

Patent

active

043825133

ABSTRACT:
An easily peelable heat seal between two sheets of cross-linkable polyolefin packaging materials is achieved by cross-linking the polyolefin material in each sheet by irradiating the sheets to a dosage level of at least 3 MR prior to heat sealing the sheets together. The easily peelable seal is especially useful where film surfaces in large flange areas are sealed together.

REFERENCES:
patent: 2855517 (1958-10-01), Rainer
patent: 3022543 (1962-02-01), Baird
patent: 3083106 (1963-03-01), Sloan
patent: 3131069 (1964-04-01), Goller
patent: 3188265 (1965-06-01), Charbonne
patent: 3294621 (1966-12-01), Baird, Jr. et al.
patent: 3491935 (1970-01-01), Trotter, Jr. et al.
patent: 3616898 (1971-11-01), Massie
patent: 3647485 (1972-03-01), Seiferth et al.
patent: 3655503 (1972-04-01), Stanley
patent: 3663240 (1972-05-01), Seiferth
patent: 3663662 (1972-05-01), Golike
patent: 3821182 (1974-06-01), Baird

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