Edge abrasion resistant plastic strapping and method and apparat

Details Edge abrasion resistant plastic strapping and method and apparat Edge abrasion resistant plastic strapping and method and apparat

1976-05-12

1978-05-16

McCamish, Marion E.

Stock material or miscellaneous articles

Structurally defined web or sheet

Edge feature

428212, 428910, B32B 302

Patent

active

040900088

ABSTRACT:
A generally rectangular plastic strapping having an improved resistance to edge abrasion, and a method and apparatus for making the same, such strapping being formed of orientable, thermoplastic, polymeric material, worked to orient the molecules thereof in predominantly the longitudinal direction, subjected to heat applied essentially to the surface of the longitudinal edges thereof, to fuse at least fibrils projecting therefrom and to provide such strapping edge surfaces with at least portions which are essentially free of molecular orientation, and then cooled to room temperature.

REFERENCES:
patent: 3394045 (1968-07-01), Gould
patent: 3532482 (1970-10-01), Weisbart

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