发明名称 Fastening rails to wooden sleepers
摘要 Spikes for holding elastic rail clamps for use with wooden rail ties. The spike portion incorporating recesses in its surface to accommodate an adhesive which improves adhesions between the spike and the wooden tie. The lower end of the spike which faces the rail incorporates a series of ribs.
申请公布号 US4928878(A) 申请公布日期 1990.05.29
申请号 US19880163192 申请日期 1988.02.25
申请人 RALPH MCKAY LIMITED 发明人 YOUNG, HARTLEY F.
分类号 E01B9/48 主分类号 E01B9/48
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