Process for preparing open structure fibers

Details Process for preparing open structure fibers Process for preparing open structure fibers

1980-11-28

1983-07-19

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

264206, 2642108, D01F 618

Patent

active

043943390

ABSTRACT:
Use of special pin insert in the counterbore-orifice combination of a conventional spinnerette plate provides open structure fibers.

REFERENCES:
patent: 1618256 (1927-02-01), Wuthroch
patent: 3600491 (1971-08-01), Shimoda et al.
patent: 4163770 (1979-08-01), Porosoff
patent: 4261945 (1981-04-01), Pfeiffer et al.

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