Hollow filament cross-sections containing four continuous voids

Details Hollow filament cross-sections containing four continuous voids Hollow filament cross-sections containing four continuous voids

1993-12-22

1994-11-08

Ryan, Patrick J.

Stock material or miscellaneous articles

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

Rod, strand, filament or fiber

428397, 428376, 428 92, D02G 300

Patent

active

053625633

ABSTRACT:
Continuous synthetic filaments having a four sided cross-sectional contour and four substantially equispaced continuous voids are disclosed. The voids have a substantially round or nonround shape, and each void is substantially centered on a side of the filament's contour.

REFERENCES:
patent: 3745061 (1973-07-01), Champaneria
patent: 4020229 (1977-04-01), Cox
patent: 4639397 (1987-01-01), Sato et al.
patent: 4836763 (1989-06-01), Broaddus
patent: 4861661 (1989-08-01), Samuelson
patent: 4956237 (1990-09-01), Samuelson
patent: 5190821 (1993-03-01), Lin
patent: 5230957 (1993-07-01), Lin
patent: 5279897 (1994-01-01), Goodall

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