Spinning polymeric filaments

Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – Shaping by extrusion

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264237, D01D 5092

Patent

active

058242481

ABSTRACT:
An improvement is provided in the rapid quenching of melt-spun polymeric filaments, whereby the filaments are cooled by quenching gas that is accelerated along the threadline by being passed through a tube of smaller dimensions with the filaments before they emerge.

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Abstract of Japan 2-216,213 (Published Aug. 29, 1990).
Abstract of Japan 3-180,508 (Published Aug. 6, 1991).

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