Carbon electrode and other shaped carbon bodies

Details Carbon electrode and other shaped carbon bodies Carbon electrode and other shaped carbon bodies

1976-10-19

1978-10-03

Envall, Jr., R. N.

H05B 707

Patent

active

041185927

ABSTRACT:
A shaped body or structure of carbon, in particular a carbon electrode, preferably having a largely round cross-section and being provided in its surface with at least one slot extending in a generally longitudinal direction and extending to the inside of the structure. The slot is filled by a refractory filler material that substantially reduces the oxidation of the slot walls during operation of the electrode and which allows for variations of the slot width where a temperature gradient develops within the electrode cross-section because of temperature changes occurring during operation in an electric arc-furnace. The filler material is adapted as to its physical and chemical properties of the electrode material and is anchored within the slot.

REFERENCES:
patent: 1058057 (1913-04-01), Hinckley
patent: 1088296 (1914-02-01), Richards
patent: 2527294 (1950-10-01), Bailey

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