Bias stretching apparatus for imitation-leather

Details Bias stretching apparatus for imitation-leather Bias stretching apparatus for imitation-leather

1978-05-03

1980-11-11

Lowe, James B.

Plastic article or earthenware shaping or treating: apparatus

With electrical control system

425383, 425385, B29C 1702

Patent

active

042330122

ABSTRACT:
A diagonal bias-stretching device and a method of enhancing surface grain of imitation-leather material with such device, which device comprises a reciprocating roller moving between lateral positions on either side of a line of advance of an imitation-leather material, to provide for alternating diagonal stretching and relaxing of the material as it moves under tension in the line of advance.

REFERENCES:
patent: 3531827 (1970-10-01), Dragonette
patent: 3635625 (1972-01-01), Voff

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