Multilayer film for vacuum packaging

Details Multilayer film for vacuum packaging Multilayer film for vacuum packaging

1988-03-16

1990-06-26

Ives, P. C.

Stock material or miscellaneous articles

Hollow or container type article

Nonself-supporting tubular film or bag

428 354, 428132, 428220, 428458, 428461, 428463, 4284769, 428516, 428518, 428910, 428349, 156253, 156510, 426127, B32B 318, B32B 3110, B27N 502

Patent

active

049371134

ABSTRACT:
Disclosed is a multiple-layer film having a support film, a first double film laminated thereto, which is formed from a single-ply blown tube collapsed by atmospheric pressure. The support film and the double film laminated thereto are perforated with pinholes. On the side opposite the support film the double film is laminated to a barrier film and the latter is laminated to a weldable layer of film.

REFERENCES:
patent: 4326909 (1982-07-01), Slavik
patent: 4601930 (1986-07-01), Engelsberger
patent: 4837084 (1989-06-01), Warren

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