Yarn consolidation by wrapping for hollow fiber membranes

Details Yarn consolidation by wrapping for hollow fiber membranes Yarn consolidation by wrapping for hollow fiber membranes

1988-04-29

1989-09-26

Watkins, Donald

Textiles: spinning, twisting, and twining

Strand structure

Covered or wrapped

57243, 57248, 57 6, 57 18, D02G 300, D02G 344, D01D 524

Patent

active

048690597

ABSTRACT:
Hollow fiber separation membranes are bundled in groups of 5-350 membranes and helically wound with a 20-120 denier yarn. The bundle is more readily handled when making permeators using dry membranes and there is significantly reduced fiber breakage and damage.

REFERENCES:
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patent: 4028874 (1977-06-01), Maag et al.
patent: 4299884 (1981-11-01), Payer
patent: 4342711 (1982-08-01), Joh et al.
patent: 4346553 (1982-08-01), Schwartz
patent: 4548866 (1985-10-01), Cordova et al.
patent: 4559884 (1985-12-01), Stoldt et al.

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