Electrode for electric resistance welding

Details Electrode for electric resistance welding Electrode for electric resistance welding

1996-08-27

1998-01-06

Hecker, Stuart N.

Electric heating

Metal heating

For bonding with pressure

B23K 924

Patent

active

057057842

ABSTRACT:
An electrode for electric resistance welding comprises a guide hole of a circular cross-section composed of a small-diameter hole and a large-diameter hole, a guide pin composed of a small-diameter portion and a large-diameter portion, the small-diameter portion and larger-diameter portion of the guide pin being fitted into the small-diameter hole and large-diameter hole of the guide hole, respectively, so that when the guide pin is pushed down, compressed air is allowed to jet out of a gap between the small-diameter hole and the small-diameter portion. The large-diameter portion of the guide pin is firmly fitted into the guide hole, with an air passage formed in the outer circumference of the large-diameter portion and the end surface of the large-diameter portion seated on the inner end surface of the large-diameter hole.

REFERENCES:
patent: 2731535 (1956-01-01), Grey
patent: 2905803 (1959-09-01), Brady, Jr.
patent: 4393293 (1983-07-01), Inoue et al.
patent: 4609805 (1986-09-01), Tobita et al.
patent: 4754116 (1988-06-01), Naruse et al.
patent: 5349152 (1994-09-01), Renner

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