Method of repairing welded pipe sections

Details Method of repairing welded pipe sections Method of repairing welded pipe sections

1976-04-14

1977-09-20

Goldberg, E. A.

Electric heating

Metal heating

Of cylinders

29401R, 29401E, 29402, 138 97, 219137R, 285 15, 285286, B23K 902

Patent

active

040499413

ABSTRACT:
Welding connector comprising a housing, means for accommodating an electrode, an insulating cone for fitting within a conical passage, and magnetic means for securely fitting such cone to such passage. Method of passing electrical current from outside a metal pipe to inside thereof.

REFERENCES:
patent: 2257335 (1941-09-01), Evans
patent: 2420139 (1947-05-01), Kelly
patent: 3606913 (1971-09-01), Yie

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