发明名称 TRENCHLESS REPLACEMENT OF SMALLER DIAMETER LATERAL PIPE SECTIONS
摘要 -15- An apparatus (10) for the trenchless replacement of a pipe comprises a frame secstion (12) for location above a service pit (22) exposing one end of an underground pipe section (20) to be replaced and an extendable leg member (14) on the frame section (12) for extending into the service pit (22). A support member (18) is provided an the leg member (14) for supporting the leg member (14) against the inside of the service pit (22). A cable guide member (16) is located on the leg member (14) for guiding a pulling cable (36) extending through the pipe section (20) to be replaced up along the leg member (14). A pinch (30) is provided on the frame section (12) far exerting a pulling force an the pulling cable (36).
申请公布号 CA2120088(C) 申请公布日期 2001.06.12
申请号 CA19942120088 申请日期 1994.03.28
申请人 发明人 HANDFORD, REGINALD G.
分类号 E02F5/10;(IPC1-7):F16L1/036 主分类号 E02F5/10
代理机构 代理人
主权项
地址