Hollow trilobal cross-section filament

Details Hollow trilobal cross-section filament Hollow trilobal cross-section filament

1986-09-29

1988-09-13

Gibson, Sharon A.

Stock material or miscellaneous articles

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

Rod, strand, filament or fiber

428395, 428397, D02G 300

Patent

active

047709383

ABSTRACT:
This invention is a trilobal, synthetic fiber, intended for use in carpets, having an axially extending hole in each lobe, the total cross-sectional area of the fiber being about 5 to 12 percent void, said fiber cross-section having a modification ratio of between about 2 to 3, and an arm angle of about 15.degree. to 45.degree., so that a fiber having improved bulk, soil hiding and resiliency is apparent in a carpet having face fiber of said fiber.

REFERENCES:
patent: 3493459 (1970-02-01), McIntosh et al.
patent: 3745061 (1973-07-01), Champaneria
patent: 3994122 (1976-11-01), Shah
patent: 4001369 (1977-01-01), Shah
patent: 4091065 (1978-05-01), Shah
patent: 4279053 (1981-07-01), Payne et al.
patent: 4311761 (1982-01-01), Kanbara et al.
patent: 4316924 (1982-02-01), Minemura et al.
patent: 4332585 (1982-06-01), Minemura et al.
patent: 4472481 (1984-09-01), Snooks, Jr. et al.
patent: 4492731 (1985-01-01), Bankar et al.
patent: 4648830 (1987-03-01), Peterson et al.

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