Double grooved welding backup

Details Double grooved welding backup Double grooved welding backup

1978-06-07

1980-05-27

Reynolds, B. A.

Electric heating

Metal heating

Work holders

228216, B23K 522, B23K 902

Patent

active

042052190

ABSTRACT:
A double grooved, preferably ceramic, welding backup is provided. The welding backup has a generally planar working face with parallel grooves, the grooves being separated by a central ridge, there being substantially flat lands at the sides of the grooves.

REFERENCES:
patent: 1513472 (1924-10-01), Whomes
patent: 2820427 (1958-01-01), Chyle et al.
patent: 2916001 (1959-12-01), Chyle et al.
patent: 3001057 (1961-09-01), Hackman et al.
patent: 3138863 (1964-06-01), Clark et al.
patent: 3229884 (1966-01-01), Franklin et al.
patent: 3372852 (1968-03-01), Cornell

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