Process for melt spinning a plurality of eccentric sheath-core f

Details Process for melt spinning a plurality of eccentric sheath-core f Process for melt spinning a plurality of eccentric sheath-core f

1976-04-01

1977-04-26

Van Horn, Charles E.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Layered, stratified traversely of length, or multiphase...

264168, B29F 310, B32B 3130

Patent

active

040201392

ABSTRACT:
The sticking between an array of melt spun eccentric bicomponent filaments converged together into yarn is avoided by selecting the filaments being converged so that the thin sheath regions of the filaments do not contact one another and conducting the convergence in two steps if the number of filaments required for the yarn is too great for convergence in one step while avoiding the aforesaid contact.

REFERENCES:
patent: 3244785 (1966-04-01), Hollandsworth, Jr.
patent: 3381074 (1968-04-01), Bryan et al.
patent: 3538544 (1970-11-01), Ullman
patent: 3558760 (1971-01-01), Olson
patent: 3662440 (1972-05-01), Hill et al.
patent: 3704971 (1972-12-01), Baird et al.
patent: 3718534 (1973-02-01), Okamoto et al.

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