C - Chemistry – Metallurgy – 21 – D
Patent
C - Chemistry, Metallurgy
21
D
38/19
C21D 1/52 (2006.01) C21D 1/34 (2006.01) C21D 9/46 (2006.01) F23D 14/24 (2006.01) F23D 14/70 (2006.01) F27D 19/00 (2006.01)
Patent
CA 1141153
ABSTRACT OF THE DISCLOSURE Method and apparatus for compensating for local temperature dif- ference of a steel product which has been previously heated above room temp- erature because of a preceding operation such as rolling and which is to be heat-treated. Upper, lower and edge burners are arranged in opposed rela- tionship around the path of travel and are selectively ignited depending upon the surface temperature distribution of the steel product detected before it enters the apparatus, in such a way that the steel product is heated uni- formly to a desired temperature.
356541
Aoki Kiyoshi
Fujii Yuichi
Takeuchi Osamu
Fetherstonhaugh & Co.
Ishikawajima-Harima Jukogyo Kabushiki Kaisha
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