1974-11-11
1977-05-17
Envall, Jr., R. N.
13 35, F27D 100, H05B 300
Patent
active
040243389
ABSTRACT:
The aim of this invention is to increase the efficiency factor of high-temperature furnaces, primarily of the resistance-heated furnaces (over 2000 K,) as well as to improve the temperature uniformity and to obtain a higher temperature limit, - by using a new construction of the metal-foil system.
REFERENCES:
patent: 3128326 (1964-04-01), Hintenberger
patent: 3162710 (1964-12-01), Anderson
patent: 3558113 (1971-01-01), Strohmeier et al.
patent: 3654374 (1972-04-01), Scheyer
Envall, Jr. R. N.
Farber Martin A.
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