B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
B23K 9/12 (2006.01) B23K 11/31 (2006.01)
Patent
CA 2282959
A welding apparatus provided with a base frame having a power source portion, an electrode die portion having a lower base portion and an upper base portion at least one of which is driven to ascend and descend to close to and part from each other, plural lower electrode portions attached to the lower base portion, and plural upper electrode portions attached to the upper base portion. Further, a lower contact conductor which electrically connects the lower electrode portions to the power source portion intermittently, and an upper contact conductor which electrically connects the upper electrode portions to the power source portion intermittently, are provided to the base frame side.
Fujita Shigeo
Otsuka Kazushi
Takahashi Kenichi
Yamaguchi Shigeya
Sim & Mcburney
Takao Kinzoku Kogyo Co. Ltd.
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