Electric heating – Metal heating – Weld rod structure
Patent
1977-05-24
1978-07-25
Truhe, J. V.
Electric heating
Metal heating
Weld rod structure
B23K 3500
Patent
active
041031431
ABSTRACT:
Electrode for tungsten inert gas welding having a body of a circular cross-section with a frustoconical tip end having a cone angle less than 120.degree.. The electrode is formed with an axially extending cylindrical recess at the tip end to leave an annular area. The configuration of the electrode is effective to decrease the intensity of the arc force so that the welding process can be performed with a heavy current and high speed.
REFERENCES:
patent: 3198932 (1965-08-01), Weatherly
patent: 3780259 (1973-12-01), Meyer
Taka Takao
Yamauchi Nobuyuki
Bouchard John H.
Sumitomo Metal Industries Ltd.
Truhe J. V.
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