Outer wrapping film, a device for prior stretching of the film,

Details Outer wrapping film, a device for prior stretching of the film, Outer wrapping film, a device for prior stretching of the film,

1997-05-06

2000-06-06

Walsh, Donald P.

Package making

Methods

Conforming by stretching or shrinking of cover over contents

B65B 5300

Patent

active

060703938

ABSTRACT:
A wrapping method comprises the prior stretching of a film wherein the prior stretching of the film advantageously includes a step of paying out the film from a feed reel, a stretching step, and a step of winding the stretched film onto a mandrel or a take-up reel in readiness for subsequent use. The film of the present invention is previously-stretched under a large amount of tension, is released, and is then wound under moderate tension, under which the film is allowed to relax. The present invention is applicable to preparing film for wrapping loads that are optionally palletized and suitable for being put into place either manually, or mechanically.

REFERENCES:
patent: 4102513 (1978-07-01), Guard
patent: 4503658 (1985-03-01), Mouser et al.
patent: 5248547 (1993-09-01), Wilson
patent: 5797240 (1998-08-01), Martin-Coucher et al.

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