Curved electrode for welding

Details Curved electrode for welding Curved electrode for welding

2006-07-18

2006-07-18

Johnson, Jonathan (Department: 1725)

Electric heating

Metal heating

For bonding with pressure

C219S119000

Reexamination Certificate

active

07078648

ABSTRACT:
A curved electrode includes an installing portion to be installed in an electrode holder, an offset portion by which the offset amount is obtained, and a tip portion which comes into contact with the material to be welded W, the portions being formed separately and assembled together. A vertical hole and a horizontal hole are formed within the installing portion, an axis hole is formed within the offset portion, and a water supply tube is inserted into a cooling hole which is constructed of the vertical hole, the horizontal hole and the axis hole. C-chamfering or R-chamfering is conducted to a corner where the vertical hole and the horizontal hole intersect. An object of the present invention is to provide a curved electrode which can be manufactured easily at a low cost, and if a part of it is damaged, only that part needs to be replaced at a low cost. The durability of the curved electrode can be improved at the same time.

REFERENCES:
patent: 1256951 (1918-02-01), Thomson
patent: 2215289 (1940-09-01), Hensel et al.
patent: 2374979 (1945-05-01), Carlson et al.
patent: 2489993 (1949-11-01), Wood
patent: 4517435 (1985-05-01), Humblot
patent: 5126528 (1992-06-01), Bush et al.
patent: 07-060458 (1995-03-01), None

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