发明名称 Railway tie plate and a method of making a railway tie plate
摘要 A railway tie plate has at least one rib to locate a railway rail and two arches under which parts of rail clips can be driven parallel to the rib. It can be made by deformation of a conventional tie plate designed for use with fastening devices for holding the rail on to the tie plate other than rail clips which are driven parallel to the rail.
申请公布号 US4141500(A) 申请公布日期 1979.02.27
申请号 US19770805163 申请日期 1977.06.09
申请人 PANDROL LIMITED 发明人 GRAGNANI, NELSON A.
分类号 E01B9/40;E01B9/48;(IPC1-7):E01B9/40;B21D28/02;B23P7/00 主分类号 E01B9/40
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