1977-10-12
1979-12-25
Envall, Jr., Roy N.
H05B 310
Patent
active
041806972
ABSTRACT:
There is provided a vacuum furnace with graphite heating consisting essentially of the furnace body and heating elements wherein the heating elements are made of flexible thin graphite sheets having a thickness of 0.5-3 mm.
REFERENCES:
patent: 3120597 (1964-02-01), Maloof et al.
patent: 3257492 (1966-06-01), Westeren
patent: 4055723 (1977-10-01), Vanderford
Bohlander Oskar
Schumann Erwin
Deutsche Gold- and Silber-Scheideanstalt Vormals Roessler
Envall Jr. Roy N.
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