Method of form and seal packaging

Details Method of form and seal packaging Method of form and seal packaging

1997-02-25

2000-08-01

Chen, Vivian

Package making

Methods

Enclosing contents within progressively formed web means

533759, 428516, B65B 908

Patent

active

060948892

ABSTRACT:
A film having a polypropylene surface layer and a polyethylene surface layer is used in fill and seal packaging applications, in which the polyethylene layer consists essentially of a ethylene copolymer having a narrow molecular weight distribution ethylene and a CBDI of greater than 50%. The package is formed by heat sealing the polyethylene surface to the polypropylene surface of the film to form a transverse seal.

REFERENCES:
patent: 5206075 (1993-04-01), Hodgson
patent: 5322726 (1994-06-01), Dew
patent: 5358792 (1994-10-01), Mehta et al.
patent: 5376439 (1994-12-01), Hodgson et al.
patent: 5397613 (1995-03-01), Georgelos
patent: 5424362 (1995-06-01), Hwang et al.
patent: 5482770 (1996-01-01), Bekele
patent: 5530065 (1996-06-01), Farley et al.

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