Methods for welding two metal pieces of tubing with their ends t

Details Methods for welding two metal pieces of tubing with their ends t Methods for welding two metal pieces of tubing with their ends t

1974-06-07

1976-10-19

Smith, Al Lawrence

Pipe joints or couplings

Molded joint

Interlocked

285 55, 228107, F16L 1302, F16L 914, B23K 2100

Patent

active

039867358

ABSTRACT:
A method for welding two thick-walled metal pieces of tubing of a pipe-line to one another, in which at the joint to be formed between said pieces of tubing overlapping portions thereof extending radially over a small marginal portion of the wall thickness adjacent to the internal cavity of the pipe-line are bonded to each other by the explosion of an internal explosive charge and the portions of the pieces of tubing extending radially over the rest of the wall thickness thereof are thermally welded to one another.

REFERENCES:
patent: 3563713 (1971-02-01), Rudd

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