发明名称 Process of thermal treatment of rails
摘要 Process for the in-line thermal treatment of rolled rails which ensures to obtain a fine pearlitic structure which is uniform through a whole predetermined superficial thickness of the rail head. There is also disclosed a new device for the thermal treatment of rails in-line with a rolling system which, as compared to the known devices, is structurally much simpler, has a high sturdiness and requires less maintenance.
申请公布号 US8388775(B2) 申请公布日期 2013.03.05
申请号 US20080734797 申请日期 2008.11.28
申请人 POLONI ALFREDO;KAPAJ NUREDIN;DE LUCA ANDREA;BAZZARO GIANLUCA;DANIELI & C. OFFICINE MECCANICHE S.P.A. 发明人 POLONI ALFREDO;KAPAJ NUREDIN;DE LUCA ANDREA;BAZZARO GIANLUCA
分类号 C21D9/04 主分类号 C21D9/04
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