Electric heating – Microwave heating – Tunnel furnace
Patent
1979-03-16
1981-06-09
Envall, Jr., Roy N.
Electric heating
Microwave heating
Tunnel furnace
219390, F27D 1102, H05B 306
Patent
active
042726387
ABSTRACT:
A device is described for support of electrical heater elements in a furnace thermally insulated by blocks of fibrous insulation and heated by the electrical heater elements. The device comprises a bar shaped member disposed at the hot face of the block and having element support means therewith, the member being releasably secured in position by securing means integral with the block.
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"Pyro-Bloc" Brochure No. 8-77-5m (1977).
Johns-Manville Brochure No. IND-3329 (1977).
Johns-Manville Brochure No. IND-3330 (1977).
Envall Jr. Roy N.
Johns-Manville Corporation
Kelly Joseph J.
Krone Robert M.
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