Apparatus for manufacturing an untwisted synthetic resin string

Details Apparatus for manufacturing an untwisted synthetic resin string Apparatus for manufacturing an untwisted synthetic resin string

1976-04-20

1978-04-04

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With bending, folding, winding, or wrapping means

156201, 156204, 156227, 156229, 156465, 156494, 264210R, 264288, B32B 3100

Patent

active

040825981

ABSTRACT:
Untwisted synthetic resin string comprising two rolled portions each spiral in cross section and formed by inwardly rolling toward each other the opposite side edges of a strip of thermoplastic resin film stretched at least longitudinally thereof. The rolled portions extend longitudinally of the string in parallel with each other and are partially adhered together longitudinally thereof. Also disclosed are an apparatus for manufacturing the untwisted string from a strip of thermoplastic resin stretched at least longitudinally thereof and another apparatus for manufacturing an untwisted string having a single rolled portion from like resin strip.

REFERENCES:
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patent: 2054021 (1936-09-01), Livensparger
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patent: 3712842 (1973-01-01), Clark
patent: 3832260 (1974-08-01), Straughan et al.
patent: 3967038 (1976-06-01), Katagi

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