Electric heating – Microwave heating – Tunnel furnace
Patent
1976-07-19
1977-10-25
Envall, Jr., R. N.
Electric heating
Microwave heating
Tunnel furnace
219537, 339273R, H05B 334
Patent
active
040557235
ABSTRACT:
A supporting means for a flexible graphite cloth heating element comprised of a conductive bar having a dovetail shaped slot and a mandrel shaped to fit within the slot and to hold a loop of the graphite cloth heating element therein.
REFERENCES:
patent: 3400253 (1968-09-01), Marker
patent: 3525795 (1970-08-01), Westeren et al.
patent: 3798417 (1974-03-01), Bittner
patent: 3866016 (1975-02-01), Tombu
Envall, Jr. R. N.
Leeds & Northrup Company
MacKay Raymond F.
Miller, Jr. William G.
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