Protection of carbon articles

Electric lamp and discharge devices – Electrode and shield structures – Composite electrodes or shields

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Details

428367, 428688, 428689, 428698, H01J 114

Patent

active

043013872

ABSTRACT:
Carbon articles, particularly carbon electrodes, are protected against corrosive attack in use by fusing material to the article, or applying material to the carbon article which under the conditions of its use is capable of fusing to the carbon article, to form a coherent coating of protective material over only that part of the carbon article liable to corrosive attack when the article is in use.

REFERENCES:
patent: 1948382 (1934-02-01), Johnson
patent: 2079110 (1937-05-01), Easter et al.
patent: 2229329 (1941-01-01), Kasper
patent: 2472171 (1949-06-01), Oswald
patent: 3078186 (1963-02-01), Tiemey
patent: 3178807 (1965-04-01), Bergmann
patent: 3401025 (1968-09-01), Whitney
patent: 3541659 (1970-11-01), Cannell et al.
patent: 3793134 (1974-02-01), Hardy et al.
patent: 3814699 (1974-06-01), Baldieri et al.
patent: 4229397 (1980-10-01), Fukuta et al.

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