Non-consumable electrode

Electric heating – Metal heating – Weld rod structure

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Details

219 75, 21914621, B23K 3504

Patent

active

043920470

ABSTRACT:
A non-consumable electrode for use in arc and plasma devices in an inert gas atmosphere comprising a holder and an active portion made of a refractory metal with emission admixtures, the active portion being connected with the holder so that its outer side surface is exposed to a height exceeding 1/4 of a diameter thereof.

REFERENCES:
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patent: 3214623 (1965-10-01), Sheer
patent: 3376468 (1968-04-01), Hirt et al.
patent: 3450926 (1969-06-01), Kiernan
patent: 3504219 (1970-03-01), Gejo et al.
patent: 3639161 (1972-02-01), Trattner et al.
patent: 3684911 (1972-08-01), Perugini et al.
patent: 4213027 (1980-07-01), Bykhovsky et al.
patent: 4242562 (1980-12-01), Karinsky et al.

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