Method of underwater welding

Details Method of underwater welding Method of underwater welding

Filed on

1974-08-12

Date issued

1977-10-04

Examiner

Truhe, J. V.

Patent Class

Electric heating

SubClass

Metal heating

SubSubClass

By arc

Other Related Categories

219 74, B23K 916

Type

Patent

Status

active

Patent number

040526321

Description

ABSTRACT:
The invention relates to a welding torch for welding underwater and to a method of underwater welding using the welding torch. A high speed stream of water is directed from a nozzle on the welding torch obliquely onto a member or members to be welded to form a flared-out curtain of water. Gas is injected into the volume enclosed by the curtain of water to create a gaseous atmosphere and welding is carried out in the gaseous atmosphere.

REFERENCES:
patent: 2806124 (1957-09-01), Gage
patent: 2903559 (1959-09-01), Wempe
patent: 2906858 (1959-09-01), Morton, Jr.
patent: 3131288 (1964-04-01), Browning
patent: 3204075 (1965-08-01), Browning
patent: 3473002 (1969-10-01), Suzuki
patent: 3575568 (1971-04-01), Tateno
patent: 3597576 (1971-08-01), Bernard et al.
patent: 3632950 (1972-01-01), Berghof
patent: 3833787 (1974-09-01), Couch, Jr.

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