Hollow fibers having curved members projecting therefor

Details Hollow fibers having curved members projecting therefor Hollow fibers having curved members projecting therefor

1989-01-24

1990-09-11

Kendell, Lorraine T.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

21050023, 428376, 26417714, D02G 300

Patent

active

049562371

ABSTRACT:
A hollow fiber with a plurality of members projecting from its outer surface in an arc turned back on itself is formed from a spinneret having a segmented orifice wherein each segment comprises a first portion in the form of an arc curved about the center of the orifice, a second portion extending from the first and connected to a third portion which is in the form of a reverse curve with respect to the first.

REFERENCES:
patent: 4176150 (1979-11-01), Bromley et al.
patent: 4559268 (1985-12-01), Nakashima et al.

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