Apparatus for production of graphite fibers

Details Apparatus for production of graphite fibers Apparatus for production of graphite fibers

1980-08-21

1982-03-23

Reynolds, B. A.

Electric heating

Metal heating

Of cylinders

219 1061R, 219 1067, 13 27, 13 35, 4234471, 423448, H05B 626, D01F 912

Patent

active

043214460

ABSTRACT:
A vertical heating apparatus for production of graphite fibers from preoxidized fibers or carbon fibers comprises of a tubular heating element which generates heat by high frequency induction. A heat-insulating material layer surrounds the tubular heating element coaxially. The layer is composed of carbon particles having specific grain diameters and angles of repose. A high frequency induction unit is provided around the heat-insulating material layer also in a coaxial relation thereof.

REFERENCES:
patent: 3350494 (1967-10-01), Kunitsky et al.
patent: 3361864 (1968-01-01), Vollmer et al.
patent: 3772429 (1973-11-01), Basche et al.
patent: 3900540 (1975-08-01), Robba et al.
patent: 3927157 (1975-12-01), Vasterling

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