Process for producing long ceramic body

Details Process for producing long ceramic body Process for producing long ceramic body

1998-02-10

1999-10-05

Derrington, James

Plastic and nonmetallic article shaping or treating: processes

Outside of mold sintering or vitrifying of shaped inorganic...

Particular or specific manner of positioning, arranging, or...

264605, 264671, 264673, C04B 3332

Patent

active

059619171

ABSTRACT:
A method for producing a long ceramic body, including the steps of pre-firing a non-fired long ceramic body at a first temperature for a sufficient time to achieve a shrinkage ratio in the body of 5% to 95%, thereby forming a pre-fired ceramic body, hanging the pre-fired ceramic body in a substantially vertical direction inside a sheath while maintaining a spacing between the pre-fired ceramic body and the sheath, applying a downward load to the pre-fired ceramic body at a position proximate the bottom end thereof, and firing the pre-fired body at a second temperature for a sufficient time to sinter the pre-fired ceramic body.

REFERENCES:
patent: 1513617 (1924-10-01), Litt
patent: 2948949 (1960-08-01), Schuffler et al.
patent: 3351690 (1967-11-01), Stover
patent: 4731207 (1988-03-01), Matsumoto
patent: 5064588 (1991-11-01), Misawa
patent: 5209525 (1993-05-01), Ito
patent: 5336569 (1994-08-01), Misawa et al.
patent: 5514313 (1996-05-01), Yoshida
Patent Abstracts of Japan vol. 095, No. 004, May 31, 1995--& JP 07 017771 A (Hitachi Ltd), Jan. 20, 1995.

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