METHOD OF PREPARING OF HIGH-TEMPERATURE FURNACE HEATER Russian patent published in 1994 - IPC

Abstract RU 2021230 C1

FIELD: glass industry. SUBSTANCE: method involves preparing of graphite member and modification of its surface with repeated treatment of member with steam and by turns with metal chloride vapors at 150-300 C following by annealing in inert medium at temperature not lower than that of metal oxide conversion to carbide. Method can be used for graphite heater making. EFFECT: improved method of heater making. 1 tbl

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RU 2 021 230 C1

Authors

Khaljavka A.A.

Kol'Tsov S.I.

Veljutin L.P.

Koval' T.V.

Dates

1994-10-15—Published

1991-06-28—Filed