Packing laminate in the form of a web and a method for manufactu

Details Packing laminate in the form of a web and a method for manufactu Packing laminate in the form of a web and a method for manufactu

1982-11-03

1988-07-05

McCamish, Marion C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Fold at edge

428 36, 428124, 428127, 428129, 428161, 428163, 428165, 428167, 428172, B32B 304

Patent

active

047554126

ABSTRACT:
A packing laminate in the form of a web with thinned edge zones is manufactured by providing a wide raw material web simultaneously with a number of parallel thinned areas. The raw material web is then covered with layers of thermoplastic material, whereupon it is divided into webs of the desired width by means of cuts placed asymmetrically in the said thickness--reduced areas. As a result the finished laminate webs obtain thermoplastic-covered, thickness-reduced edge zones of different widths.

REFERENCES:
patent: 4401004 (1983-08-01), Glans

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