Low gauge stretch wrap film

Stock material or miscellaneous articles – Composite – Of addition polymer from unsaturated monomers

Reexamination Certificate

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Details

C428S220000, C428S336000

Reexamination Certificate

active

10092381

ABSTRACT:
Stretch wrap films are used to hold goods to pallets during storage and shipping. A multilayer stretch wrap film with at least one outer layer of polypropylene and other layers of blends of polyethylenes. The film of the present invention optimizes physical properties enabling the film to have sufficient cling while creating a tolerable noise level upon unwinding. The optimized properties include good clarity, high load containment, high puncture resistance, high stretch and good tear resistance.

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patent: 3058963 (1962-10-01), Vandenberg
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patent: 5208096 (1993-05-01), Dohrer
patent: 5399426 (1995-03-01), Koch et al.
patent: 5595050 (1997-01-01), Koch et al.
patent: 5955205 (1999-09-01), Ramsey et al.
patent: 6265055 (2001-07-01), Simpson et al.

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