Flash welding apparatus

Details Flash welding apparatus Flash welding apparatus

1996-11-13

1997-12-16

Shaw, Clifford C.

Electric heating

Metal heating

For bonding with pressure

219105, B23K 1104

Patent

active

056981180

ABSTRACT:
A flash welding machine is capable of cutting ends of a pair of preceding and following weld members 1, 2 by means of a shear device 26, 27 and then flash welding them with each other. The flash welding machine can coat an appropriate amount of combustible fluid on the cut end surfaces of the weld members 1, 2. When a first end sensor 31 and a second end sensor 31 sense widthwise leading ends of the weld members 1, 2, a first and a second nozzle 35, 36 start coating the combustible fluid on the cut end surfaces of the weld members 1, 2 from the widthwise leading ends of the weld meets 1, 2. The nozzles 35, 36 stop coating when either one of the sensors 31, 33 senses a widthwise trailing end of one of the weld members 1, 2. Thus, it becomes possible to coat the combustible fluid on the cut ends of the weld members 1, 2 over an area extending from the widthwise leading end to the widthwise trailing end thereof.

REFERENCES:
patent: 4626647 (1986-12-01), Takeda et al.
patent: 5030313 (1991-07-01), Takeda et al.

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