Electric heating – Metal heating – By arc
Patent
1988-11-23
1990-06-26
Leung, Philip H.
Electric heating
Metal heating
By arc
B23K 926
Patent
active
049374281
ABSTRACT:
A welding contact tip for use on a consumable electrode type welder has a core part having a bore for guiding a consumable electrode and capable of supplying welding current to the consumable electrode, and a main part which embraces and supports the core part. The core part is made of a heat- and wear-resistant conductive metallic material such as a phosphor bronze alloy, while the main part is made from a less-expensive material such as copper, a copper alloy, aluminum or an aluminum alloy.
REFERENCES:
patent: 3470349 (1969-09-01), Sievers
patent: 4450341 (1984-05-01), Dietrick et al.
patent: 4560858 (1985-12-01), Manning
Handa Katsumi
Kiuchi Chuji
Sakano Yoshikatsu
Tokushige Harumi
Yamada Yukitoshi
Evans Geoffrey S.
Leung Philip H.
Matsushita Electric - Industrial Co., Ltd.
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