Process for manufacture of crimped polyester yarn from cold draw

Details Process for manufacture of crimped polyester yarn from cold draw Process for manufacture of crimped polyester yarn from cold draw

1989-11-17

1992-08-18

Lorin, Hubert C.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

With crimping or crinkling of strands of filaments

2642107, 2642108, 26421115, 264234, 2642896, 2642905, 264342RE, 264345, D01D 512

Patent

active

051397250

ABSTRACT:
A process for the manufacture of a crimped polyester yarn obtained from a polyester partially-oriented yarn comprising fabricating a partially-oriented polyester yarn by a high-speed process, cooling the partially-oriented polyester yarn, cold drawing the cooled yarn, and subjecting the cold drawn polyester yarn to a thermal treatment under tensionless conditions or under controlled overfeed conditions.

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