发明名称 BLOCK BOOT FOR RAILWAY TRACK SYSTEMS
摘要 The invention pertains to a boot (1) for a railway block (3) or tie (6), as shown in Figures 1 and 2. The boot is provided with fins (5) that extend from an internal wall (8) of the boot. The fins serve to space the internal wall from the railway block or tie during pouring and curing of concrete or grout (4) around the boot.
申请公布号 WO0202872(A1) 申请公布日期 2002.01.10
申请号 WO2001US20769 申请日期 2001.06.29
申请人 SONNEVILLE INTERNATIONAL CORPORATION 发明人 SONNEVILLE, BERNARD;BRAY, ANDERSON, THOMAS, JR.
分类号 E01B1/00;E01B3/40;(IPC1-7):E01B3/14 主分类号 E01B1/00
代理机构 代理人
主权项
地址