发明名称 Apparatus and process for installing T couplings on underground pipe
摘要 A tool assembly and a process for using it is provided, wherein a single elongate handle member may be used, through a small hole at the ground surface, to reach underground pipes for installing different sized strap "T" couplings on different sized pipes, and for driving sleeve members associated with said strap "T" couplings, pneumatically, from above ground, to engage pipes at various locations below ground.
申请公布号 US7018137(B2) 申请公布日期 2006.03.28
申请号 US20040881049 申请日期 2004.06.30
申请人 OMEGA TOOLS, INC. 发明人 HUTTON WILLIAM M.;RUSSO FRANK P.
分类号 F16L55/18 主分类号 F16L55/18
代理机构 代理人
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