发明名称 Device and System For Pulling A Compressed Pipe Liner Into A Host Pipe
摘要 Systems and methods for pulling a pipe liner through a host pipe comprising a pulling head with a number of fingers having flexion points which move to a closed position under towing pressure to thread a pipe liner through a host pipe.
申请公布号 US2014270969(A1) 申请公布日期 2014.09.18
申请号 US201414211495 申请日期 2014.03.14
申请人 Blasczyk James H. 发明人 Blasczyk James H.
分类号 F16L1/06;F16L1/028 主分类号 F16L1/06
代理机构 代理人
主权项 1. A pulling head for pulling a compressed pipe liner into a host pipe, the pulling head comprising: a body; and a plurality of fingers each attached to the body at associated flexion points; wherein the plurality of fingers pivot at the associated flexion points from an open orientation to a closed orientation when the fingers are placed under tension from a winch.
地址 Friendswood TX US