Lownoise stretch wrapping process

Details Lownoise stretch wrapping process Lownoise stretch wrapping process

1998-09-02

2000-06-06

Johnson, Linda

Package making

Methods

Conforming by stretching or shrinking of cover over contents

525240, 525222, B65B 5300

Patent

active

060703946

ABSTRACT:
Disclosed herein is a stretch wrapping process wherein a roll of film is unwound and stretched, at a speed up to about 70 meters per minute, and the film is wrapped about the girth of a unitized plurality of goods, with the overlapping layers of film being held together by cling force. The film used in the present process is produced from a composition comprising about 85 to about 99 weight percent of a polymeric ethylenic containing component having a density no greater than 0.94 g/cc, and about 1 to about 15 weight percent of a propylene polymer comprising 0 to about 40 weight percent olefin comonomer units having 2 to 10 carbon atoms, and from about 60 to about 100 weight percent propylene.

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Research Disclosure, Jun. 1992, 33875, Amorphous Polyolefins as Tack Additives for Polyethylene Blown and Cast Film.

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