Method for decomposing ozone

Electric heating – Metal heating – Nonatmospheric environment at hot spot

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Details

219137R, 252372, 252374, B23K 916

Patent

active

042924936

ABSTRACT:
In welding or working operations using an electric arc a nitrogen compound is introduced into the working or welding area for the purpose of decomposing ozone in said area. The nitrogen compound is preferably purely nitric oxide, but may also be nitrous oxide (N.sub.2 O) or ammonia (NH.sub.3).

REFERENCES:
patent: 1746209 (1930-02-01), Alexander
patent: 2497631 (1950-02-01), Rothschild
patent: 2576793 (1951-11-01), Jordan
patent: 2658981 (1953-11-01), Martin
patent: 2688097 (1954-08-01), Friedman
patent: 3133348 (1964-05-01), Cape
patent: 3242569 (1966-03-01), Petry
patent: 3349215 (1967-10-01), Wagenleitner
patent: 4095080 (1978-06-01), Ueyama

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