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 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|