Process for drawing polyamide yarn

Details Process for drawing polyamide yarn Process for drawing polyamide yarn

1983-09-15

1984-11-27

Lowe, James

Plastic and nonmetallic article shaping or treating: processes

Disparate treatment of article subsequent to working,...

Effecting temperature change

28246, 2642905, 2642907, B29C 1702

Patent

active

044850638

ABSTRACT:
In a coupled two-stage draw, constant-length annealing process for making polyamide yarn, heat for assisting the second-stage draw is provided by means of an environmentally-heated metal shoe located in an annealing hot chest.

REFERENCES:
patent: 3161484 (1964-12-01), Bagnoli et al.
patent: 3311691 (1967-03-01), Good
patent: 3409957 (1968-11-01), Carter
patent: 3564835 (1971-02-01), Keefe, Jr. et al.

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