Process for the production of dimension-stable polyester tire co

Details Process for the production of dimension-stable polyester tire co Process for the production of dimension-stable polyester tire co

1988-10-14

1989-11-28

Lorin, Hubert C.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Reshaping running or indefinite-length work

2642905, 264342RE, D02J 122

Patent

active

048836290

ABSTRACT:
A process for the production of dimension-stable polyester cord by means of a two-stage heat treatment including initially stretching at 205.degree.-250.degree. C. between 3 and 7 percent, and subsequently relaxing at 205.degree.-250.degree. C. between 3 and 7 percent. There results a dimension-stable polyester cord displaying a shrinkage of less than 1.2 percent.

REFERENCES:
patent: 3838561 (1974-10-01), Munting
patent: 3966867 (1976-06-01), Munting
patent: 4003974 (1977-01-01), Chantry et al.
patent: 4070432 (1978-01-01), Tomaddon
patent: 4101525 (1978-07-01), Davis et al.

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