Method of proudcing ceramic manifolds for thermally insulating e

Details Method of proudcing ceramic manifolds for thermally insulating e Method of proudcing ceramic manifolds for thermally insulating e

1989-12-21

1991-05-07

Lowe, James

Plastic and nonmetallic article shaping or treating: processes

Including step of generating heat by friction

264 86, 264154, B28B 1100, B28B 126

Patent

active

050135015

ABSTRACT:
In a method for effectively producing ceramic manifolds for thermally insulating exhaust channels, an intermediate product is first formed by drain casting which includes a main ceramic pipe having a plurality of branch pipes extending therefrom whose ends are connected together by elongated connection members in the form of thin plates or bars. Thereafter, the intermediate product is fired and the ends of the branch pipes are then cut off together with the connection members. In this manner, even ceramic pipes complicated in shape readily can be produced by preventing strains and deformations which would otherwise occur during firing of the intermediate product.

REFERENCES:
patent: 2914834 (1959-12-01), Daniel
patent: 4676064 (1987-06-01), Narita et al.
patent: 4882111 (1989-11-01), Murata

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