Metal treatment – Compositions – Heat treating
Patent
1973-07-17
1976-01-13
Martin, William D.
Metal treatment
Compositions
Heat treating
148 95, 266 23H, 427223, 427289, B23K 700, B23K 900
Patent
active
039321991
ABSTRACT:
A process for flame scarfing places of errors or surface defects on a work piece such as ingots, slabs or the like, by means of at least one flame-scarfing torch is characterized by raising and/or accelerating the flame-scarfing torch from its flame-scarfing position prior to the end of the place of error without changing the other flame scarfing parameters.
REFERENCES:
patent: 2149825 (1939-03-01), Albertson et al.
patent: 2186096 (1940-01-01), Bucknam
patent: 2904449 (1959-09-01), Bradstreet
patent: 2920001 (1960-01-01), Smith et al.
patent: 2968083 (1961-01-01), Lentz et al.
patent: 3158499 (1964-11-01), Jenkin
patent: 3667981 (1972-06-01), Esnoult et al.
patent: 3695600 (1972-10-01), Munch et al.
Henn Erwin
Lucht Alfred
Beck Shrive P.
Martin William D.
Messer Griesheim GmbH
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