Electric heating – Metal heating – By arc
Patent
1988-08-18
1989-12-05
Paschall, M. H.
Electric heating
Metal heating
By arc
21912145, 21912154, 21912157, 21912155, 219137R, B23K 900
Patent
active
048854557
ABSTRACT:
To terminate welding, the mean energy of the arc is first reduced to obtain plugging of the hole, then this energy is briefly increased before again being decreased. Application to plasma arc welding of carbon steels.
REFERENCES:
patent: 4195216 (1980-03-01), Beauchamp et al.
Schultz Jean-Pierre
Verna Eric
l'Air Liquide, Societe Anonyme Pour l'Etude Et l'Exploitation de
Paschall M. H.
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