Method to maintain the levelness of a heated crucible

Details Method to maintain the levelness of a heated crucible Method to maintain the levelness of a heated crucible

1995-04-21

1996-12-10

Kastler, Scott

Metallurgical apparatus

Process

266275, C21B 300

Patent

active

055823939

ABSTRACT:
There is disclosed a method for maintaining the levelness of a crucible having a first end and a second end during thermal expansion of the crucible comprising: providing a continuous pulling force on the first end in a direction parallel to the length of the crucible during heating of the crucible.

REFERENCES:
patent: 2773923 (1956-12-01), Smith
patent: 3746502 (1973-07-01), Erhart et al.
patent: 3748090 (1973-07-01), Ciuffini et al.
patent: 4676193 (1987-06-01), Martin
patent: 4700660 (1987-10-01), Levchenko et al.
patent: 4854264 (1989-08-01), Noma et al.

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