Industrial electric heating furnaces – Resistance furnace device – Lining
Patent
1981-06-29
1983-11-22
Envall, Jr., Roy N.
Industrial electric heating furnaces
Resistance furnace device
Lining
373130, 373132, H05B 300, F27D 100
Patent
active
044173466
ABSTRACT:
A high temperature melting furnace including a fibrous refractory cylindrical shell with a fibrous refractory top and a bottom composed of similar material. Heating is provided by molybdenum disilicide resistance wire loops hanging inside the shell. The furnace top has a removable closure plug for access to the furnace when in operation and the furnace bottom has a verticle charging hole with a removable pedestal insertable therein.
REFERENCES:
patent: 2966537 (1960-12-01), Witucki et al.
patent: 3786162 (1974-01-01), Colson
patent: 4266119 (1981-05-01), Best
Brochure-Evenheat Kiln, Inc.; Caseville, Mich.
Envall Jr. Roy N.
The Kanthal Corporation
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