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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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