Trilobal and tetralobal cross-section filaments containing voids

Details Trilobal and tetralobal cross-section filaments containing voids Trilobal and tetralobal cross-section filaments containing voids

1993-12-28

1995-01-10

Edwards, Newton

Stock material or miscellaneous articles

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

Rod, strand, filament or fiber

428398, 428376, D02G 300

Patent

active

053805925

ABSTRACT:
This invention provides improved synthetic filaments having a trilobal or tetralobal cross-sectional shape with convex curves along the contour of each lobe, and wherein a continuous void extends axially through each lobe. The filaments are especially suitable for making carpets which exhibit low glitter and have high bulk and excellent soil hiding performance.

REFERENCES:
patent: 3745061 (1973-07-01), Champaner et al.
patent: 4020229 (1977-04-01), Cox, Jr.
patent: 5108838 (1992-04-01), Tung
patent: 5190821 (1993-03-01), Goodall et al.
patent: 5208106 (1993-05-01), Tung
patent: 5230957 (1993-07-01), Lin
patent: 5279897 (1994-01-01), Goodall et al.

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