发明名称 Tie plate
摘要 An electrically-insulated tie plate for electrically isolating parts of a railroad rail system from each other. The electrically-insulated tie plate includes a base plate having a recessed area for receiving a railroad rail and a layer of electrically-insulating material covering portions of the base plate.
申请公布号 US7261244(B2) 申请公布日期 2007.08.28
申请号 US20050269160 申请日期 2005.11.07
申请人 PORTEC RAIL PRODUCTS, INC. 发明人 URMSON, JR. WILLIAM T.;MOSPAN JOHN W.;DOWNEY JOHN M.
分类号 E01B3/00;E01B9/36;E01B9/40 主分类号 E01B3/00
代理机构 代理人
主权项
地址