Method for resistance heating of metal using a pyrolytic boron n

Details Method for resistance heating of metal using a pyrolytic boron n Method for resistance heating of metal using a pyrolytic boron n

1991-12-20

1993-08-24

Reynolds, Bruce A.

Electric resistance heating devices

Heating devices

Vaporizer

392388, 118726, 118696, 219425, 432 4, 432 44, C23C 1312, B01B 100

Patent

active

052396126

ABSTRACT:
A method of resistance heating using a graphite container having a graphite body and a pyrolytic boron nitride coating in which a metal charge of predetermined weight is deposited over the coating and the container is heated by the application of a variable source of electrical power to cause the metal charge to fully evaporate in a short interval of time of less than two minutes with the heat cycle controlled to provide a cool down period in each cycle of applied power and with a new metal charge introduced upon completion of each heat cycle in a semi-continuous fashion.

REFERENCES:
patent: 3177844 (1965-04-01), Lins
patent: 3537886 (1970-11-01), Rively et al.
patent: 4183975 (1980-01-01), Sidders
patent: 4264803 (1981-04-01), Shinko
patent: 4327122 (1982-04-01), Chakupurakal
patent: 4846834 (1989-07-01), von Recum et al.

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