发明名称 CONTINUOUS RAIL PRODUCTION
摘要 A unitary one quarter mile long railroad rail and system and method for manufact uring the same. The unitary rail eliminates the problem of weld seams in the one quarter mile long sections of rails which a re transported to the installation site The method of manufacture is characterized by the use of a continuous rolling proces s and the in-line controlled cooling of the rail.
申请公布号 CA2069888(C) 申请公布日期 1999.07.27
申请号 CA19902069888 申请日期 1990.11.30
申请人 发明人 CRYDERMAN, ROBERT L.;WINKLEY, JOHN C.
分类号 B21B1/12;B21B1/08;B21B1/46;B21B15/00;B21B38/00;B21B45/00;B21B45/02;E01B5/02;(IPC1-7):E01B5/02;B22D11/22 主分类号 B21B1/12
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