Method of manufacturing heating furnace parts

Details Method of manufacturing heating furnace parts Method of manufacturing heating furnace parts

1984-12-24

1988-06-28

Derrington, James

Plastic and nonmetallic article shaping or treating: processes

Including step of generating heat by friction

264 63, 264 65, 264 82, 264344, C04B 4153

Patent

active

047537639

ABSTRACT:
A method of manufacturing heating furnace parts having high purity which comprises the steps of molding a raw powder mainly consisting of silicon carbide powder into a prescribed form, and subjecting the molded product to a purification treatment at a temperature ranging between 1,500.degree. and 2,100.degree. C. in an atmosphere containing a gas selected from the group consisting of halogen gas and hydrogen halide gas, and an inert gas applied as a carrier gas.

REFERENCES:
patent: 3951587 (1976-04-01), Alliegro et al.
patent: 4238434 (1980-12-01), Enomoto et al.
patent: 4619798 (1986-10-01), Tanaka et al.
English Abstract of Japanese Pat. 55-158662.

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