Ngk Insulators, Inc.

Mitsugu Suzuki

Shigeru Hanzawa

Takehiro Kajihara

Akihiro Tsuji

Jyunichi Doi

A method of manufacturing a product of cermacis in which a green body is formed by isostatic pressing and an outer surface of the green body is polished by a buffing member before sintering, so that the utilization coefficient of a starting material of the product can be improved but the smoothness of the outer surface of the final product is the same as the smoothness of the outer surface of the conventional product.

Method of manufacturing products of ceramics

A non-oxidizing firing furnace for ceramic articles, which comprises a furnace chamber filled with a non-oxidizing gas, a conveyor mechanism provided on the floor portion of the furnace chamber and adapted to move the ceramic articles oppositely to a direction in which the non-oxidizing gas is flown through the furnace chamber for firing the ceramic articles; and at least one partition wall with the surface being composed of molybdenum which partition wall is provided at the ceiling portion of the furnace chamber to define a low temperature zone on the inlet side for the ceramic articles and a high temperature zone.

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Yokkaichi, Japan

Mitsugu Suzuki