Production of net from synthetic polymeric film

Details Production of net from synthetic polymeric film Production of net from synthetic polymeric film

1981-03-27

1984-06-19

Cannon, James C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including aperture

264280, 2642902, 264DIG47, 264DIG81, 428135, 428136, 428167, 428169, 428255, 428294, B29C 1702, B29C 2400, B29D 724

Patent

active

044553374

ABSTRACT:
A film of synthetic polymer is profiled with a pattern of thick and thin areas so that it can split on stretching into a net; additionally the thin areas are likewise profiled so that either the strands of main net split clearly apart or the orifices of main net are covered by an integral fine net arising from the minor profile. Profiles based on the intersection of sets of parallel grooves on opposite surfaces are preferred for both major and minor profiles.

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patent: 4135023 (1979-01-01), Doyd

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