Method of making a gas-tight joint between a corrugated high qua

Details Method of making a gas-tight joint between a corrugated high qua Method of making a gas-tight joint between a corrugated high qua

1978-05-25

1980-10-14

Reynolds, Bruce A.

Metal fusion bonding

Process

With shaping

285382, 285286, 219 591, 219137R, B23K 902, B23K 502

Patent

active

042276390

ABSTRACT:
The corrugation is removed from an end portion of a helically corrugated tube, and an internally threaded sleeve is threaded onto the tube. The sleeve has an unthreaded extension which is being drawn by a suitable tool to engage the smooth wall portion of the tube and is subsequently welded thereto.

REFERENCES:
patent: 1933749 (1933-11-01), Murray
patent: 2073093 (1937-03-01), Brantly
patent: 2232656 (1941-02-01), Davis
patent: 2291706 (1942-08-01), Frease
patent: 3453716 (1969-07-01), Cook
patent: 3894676 (1975-07-01), Oppenheim et al.

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