Process for uniformily drawing a tow of filaments

Details Process for uniformily drawing a tow of filaments Process for uniformily drawing a tow of filaments

1971-09-29

1976-03-30

White, Robert F.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Reshaping running or indefinite-length work

B29C 1702

Patent

active

039475387

ABSTRACT:
Uniformly drawing tows of synthetic linear thermoplastic polymer filaments between sets of feed rolls and draw rolls by saturating a tow while on the feed rolls with water at a temperature of Tg .+-. 10.degree.C and ensuring that drawing is substantially complete before the tow leaves the last feed roll.

REFERENCES:
patent: 2918346 (1959-12-01), Paulsen
patent: 3221088 (1965-11-01), Martin
patent: 3259681 (1966-07-01), Bull et al.
patent: 3414645 (1968-12-01), Morgan, Jr.
patent: 3423501 (1969-01-01), Dennis et al.
patent: 3564835 (1971-02-01), Keefe, Jr. et al.

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