Underwater welding

Details Underwater welding Underwater welding

1974-10-16

1976-08-10

Smith, Al Lawrence

Metal fusion bonding

Miscellaneous

228218, B23K 2800

Patent

active

039737128

ABSTRACT:
Underwater welding apparatus including a welding chamber and at least one source of gas under pressure connected to the welding chamber through a demand valve, in which the demand valve allows the flow of gas to the chamber to increase as the increase in the hydrostatic head causes the pressure of the gas in the chamber to increase, and to decrease as the hydrostatic head decreases.

REFERENCES:
patent: 2681402 (1954-06-01), Muller
patent: 2770033 (1956-11-01), Zarth
patent: 3071852 (1963-01-01), Rogers
patent: 3107895 (1963-10-01), Vogeli
patent: 3274677 (1966-09-01), Kilbourn
patent: 3543393 (1970-12-01), Cosper

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