Chemistry of inorganic compounds – Oxygen or compound thereof – Metal containing
Patent
1974-12-10
1976-11-02
Envall, Jr., R. N.
Chemistry of inorganic compounds
Oxygen or compound thereof
Metal containing
423345, H05B 360
Patent
active
039898830
ABSTRACT:
An electrical resistance furnace installation, especially for the production of silicon carbide, has no side walls. In the one arrangement, the installation has two end walls, each provided with an electrode, with the resistive core for heating reacting valves extending between the electrodes at the end wall. In another arrangement, the installation has only one end wall, with the resistive core extending between an electrode in the one end wall, and a connection to a further electrode arranged in the bottom of the furnace. In a still further arrangement, the furnace has neither end walls nor side walls, and the resistive core is horizontally supported above the furnace floor and electrically connected through electrodes in the bottom of the furnace. The reacting ballast, in each embodiment, is poured onto the furnace floor to surround the resistive core for heating of the ballast.
REFERENCES:
patent: 562402 (1896-06-01), King et al.
patent: 3647384 (1972-03-01), Dessureault
Benecke Theodor
Korndorfer Eugen
Korndorfer Ludwig
Korsten Andreas
Petersen Fritz
Elektroschmelzwerk Kempten GmbH
Envall, Jr. R. N.
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