Vacuum electric furnace

Details Vacuum electric furnace Vacuum electric furnace

1978-11-16

1980-07-15

Yuen, Henry C.

Heating

Work chamber having heating means

Having means by which work is progressed or moved mechanically

432123, 432194, 432234, 432249, 13 31R, F27B 914

Patent

active

042126339

ABSTRACT:
A vacuum electric furnace is disclosed for operation with a hostile environment therein which may be above the melting temperature of most metals, other than refractory metals, with apparatus in the furnace for advancing the work, the advancing apparatus being a walking beam with provisions for protecting the exposed portions of the walking beam by the use of graphite and with work supporting buttons of molybdenum to prevent the work from reacting with the graphite at high temperatures, and with separation and shielding of portions of the walking beam from the hot zone and with liquid cooling of the shielded portions.

REFERENCES:
patent: 3471134 (1969-10-01), Cone
patent: 3664649 (1972-05-01), Brockmann
patent: 3716222 (1973-02-01), Anderson
patent: 3749550 (1973-07-01), Suydam
patent: 3792965 (1974-02-01), Bengtsson
patent: 3887064 (1975-06-01), Brockmann
patent: 4102637 (1978-07-01), Kreider et al.
patent: 4144022 (1979-03-01), Fusco

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