Electric heating – Metal heating – For bonding with pressure
Patent
1996-06-19
1998-12-01
Walberg, Teresa J.
Electric heating
Metal heating
For bonding with pressure
219118, B23K 3504, B23K 1130
Patent
active
058441948
ABSTRACT:
A resistance welding electrode for supplying a current to metal workpieces to weld the workpieces to each other includes an electrode body as an electrode matrix of a copper alloy and a plurality of filamentary members embedded in the electrode matrix parallel to the direction in which a current flows therethrough. The filamentary members have respective tip ends exposed as lands on a surface of a tip end of the electrode body. The filamentary members are made of a material having an electric conductivity different from that of the electrode matrix. The exposed tip ends of the filamentary members having a total area which is in the range of 0.5 to 40% of the entire area of the tip end of the electrode body.
REFERENCES:
patent: 3592994 (1971-07-01), Ford
patent: 4476372 (1984-10-01), Prucher
patent: 4591687 (1986-05-01), Urech
patent: 4843206 (1989-06-01), Azuma et al.
Ikegami Kiyoshi
Ito Tomohiko
Kuwabara Mitsuo
Yoshida Teruaki
Honda Giken Kogyo Kabushiki Kaisha
Pelham J.
Walberg Teresa J.
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