Joinable arc gouging electrodes with indicator for indicating, d

Details Joinable arc gouging electrodes with indicator for indicating, d Joinable arc gouging electrodes with indicator for indicating, d

1987-04-27

1990-04-17

Paschall, M. H.

Electric heating

Metal heating

Cutting or disintegrating

219 70, B23K 924, B23K 3504

Patent

active

049182781

ABSTRACT:
Method and Apparatus for using successively joined carbon electrodes (that are not coated with a metal) shaped with a projection at one end and a socket at the other end. In order for the user to know the existing length of the electrode performing the gouging this electrode is marked with a notch, ink or material which changes its color at elevated temperatures at 80 mm, 60 mm, and 40 mm.

REFERENCES:
patent: 1582081 (1926-04-01), Peck
patent: 2024445 (1935-12-01), Galehouse
patent: 2034259 (1936-03-01), Hopkins
patent: 2914654 (1959-11-01), Lundahl et al.
patent: 3030544 (1962-04-01), Zamboldi et al.
patent: 3399322 (1968-08-01), Ambe
patent: 3633063 (1972-01-01), Ando
patent: 4201902 (1980-05-01), Rieppel et al.
patent: 4395617 (1983-07-01), Maeda et al.
patent: 4492850 (1985-01-01), Yasuda et al.
patent: 4555615 (1985-11-01), Yasuda et al.

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