Thread of carbon fiber

Details Thread of carbon fiber Thread of carbon fiber

1988-08-04

1989-07-25

Petrakes, John

Textiles: spinning, twisting, and twining

Strand structure

Plied

57243, 57903, 4234472, D02G 302, D02G 328, D02G 346, D01F 912

Patent

active

048501867

ABSTRACT:
A thread comprising plural carbon fiber strands having a first twist of 80 turns/m or more and plied and twisted to give a final twist of 50 turns/m or more in the direction reverse to the first twist. The thread has a fineness of 3000 denier or less and a knot strength of 1.0 g/denier or more, and the single fibers of the carbon fiber strands constituting the thread each have a fineness of 0.7 denier or less and a loop breaking strain of 2.5% or more.

REFERENCES:
patent: 3838562 (1974-10-01), Park
patent: 3841079 (1974-10-01), Ram et al.
patent: 4051659 (1977-10-01), Blakelock
patent: 4430851 (1984-02-01), Sundet
patent: 4513565 (1985-04-01), Negishi et al.
patent: 4520623 (1985-06-01), Ogawa et al.
patent: 4714642 (1987-12-01), McAliley et al.

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