发明名称 RAIL ANCHORING SPIKE
摘要 An improved fastener for attaching metal to wood is described. The fastener is particularly suited for use as a railroad spike for attaching a metal rail t o a wooden tie. The improved spike is adapted for installation by either drivi ng or screwing the spike into the tie. A plurality of flutes are adapted to engage with the tie, thereby preventing loosening of the spike. The spike ma y be used with or without a metal boss or fishplate to secure a metal rail to a wooden tie.
申请公布号 CA2418843(A1) 申请公布日期 2002.02.21
申请号 CA20012418843 申请日期 2001.08.10
申请人 LEWIS BOLT & NUT COMPANY 发明人 BARRY, DAVID M.;AUSTIN, TIMOTHY JOHN
分类号 E01B9/06;E01B9/10;E01B9/48;(IPC1-7):E01B9/06 主分类号 E01B9/06
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