发明名称 Monobloc points for grooved rails and method for making same
摘要 A method for making monobloc points for a transporation rail is disclosed. The points include a profiled body having a groove for housing a point rail. The method includes selecting a steel bloom having dimensions at least equal to the outer dimensions of the body and machining the steel bloom to define the profiled body.
申请公布号 US5100046(A) 申请公布日期 1992.03.31
申请号 US19900516297 申请日期 1990.04.05
申请人 KIHN S.A.R.L. 发明人 ALLEGRUCCI, JEAN-PIERRE;RISCH, CHARLES
分类号 E01B7/00 主分类号 E01B7/00
代理机构 代理人
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