Gas flame torch system with flash arresters

Details Gas flame torch system with flash arresters Gas flame torch system with flash arresters

1980-11-05

1982-11-30

Kratz, Peter F.

Combustion

Flash-back controlling or preventing structure

48192, F23D 1346

Patent

active

043614205

ABSTRACT:
For use in a welding system which uses combustible gases and the like, a flash arrester comprising a main body having an opening therethrough and including a frusto-conical seat, and a ball cage body positioned in the main body and having an axial opening therein. The ball cage body has a frusto-conical seat complementary to the first-mentioned seat of the main body. The other end of the ball cage body has axially extending slots to provide spaced axially extending fingers. The fingers have frusto-conical surfaces. A ball seat member is provided on the other end of the main body and has a frusto-conical ball seat. A ceramic ball is provided between the fingers and is freely movable between the second valve seat and the ball seat.

REFERENCES:
patent: 1139959 (1915-05-01), Fausek
patent: 1262431 (1918-04-01), Backstrom
patent: 1901217 (1933-03-01), Yerkes et al.
patent: 2274968 (1942-03-01), O'Bannon
patent: 2482457 (1949-09-01), Boedecker
patent: 2695628 (1954-11-01), Wheildon
patent: 2981285 (1961-04-01), Nilo
patent: 3059667 (1962-10-01), Coceano
patent: 3264718 (1966-08-01), Paul
patent: 3373766 (1968-03-01), Doerfler
patent: 3767164 (1973-10-01), Robinson
patent: 4246002 (1981-01-01), Bell

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