Method for producing a thin-walled ceramic tube

Details Method for producing a thin-walled ceramic tube Method for producing a thin-walled ceramic tube

1983-06-27

1986-04-01

Derrington, James

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

264 63, C04B 3564

Patent

active

045797072

ABSTRACT:
A thin-walled ceramic tube having a high light transmission and high dimens precision, which has been can be used as an envelope for a high pressure lamp, is produced by an extruding process in which a stiff plastic body for extruding is prepared, said body is extruded and the extruded tube is fired, said process being characterized in that the stiff plastic body consists essentially of ceramic raw material, a thermosetting organic substance and water and the extruded tube is hardened by heating immediately after extruded and pressured air is flawed into an inside portion of the extruded tube.

REFERENCES:
patent: 4169875 (1979-10-01), Laska et al.
patent: 4181487 (1980-01-01), Kessler
patent: 4293514 (1981-10-01), Wada
patent: 4353854 (1982-10-01), Oyamada et al.
patent: 4364783 (1982-12-01), Theodore et al.
patent: 4387067 (1983-06-01), Kobayashi et al.
patent: 4451418 (1984-05-01), Furuta et al.

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