Vertical type heat-treating apparatus and heat-treating method

Details Vertical type heat-treating apparatus and heat-treating method Vertical type heat-treating apparatus and heat-treating method

1989-02-23

1990-09-04

Walberg, Teresa J.

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

219411, 118 501, F27B 514, F27D 1102, H05B 362

Patent

active

049546848

ABSTRACT:
A vertical type heat-treating apparatus has a process tube, disposed upright along the lengthwise direction, for receiving a target object to heat-treat it under a predetermined condition, and a heater, provided around the process tube, for heating the target object in the process tube. After heat treatment is executed with the heater disposed around the process tube, the heater is moved upward by an elevator away from the process tube for cooling down the inside of the process tube.

REFERENCES:
patent: 3828722 (1974-08-01), Reuter et al.
patent: 4695706 (1987-09-01), Mizushina
patent: 4760244 (1988-07-01), Hokynar

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