发明名称 APPARATUS AND METHOD FOR PROVIDING ACCESS TO BURIED PIPELINE
摘要 A method for providing access to a buried pipe includes excavating the ground to expose the pipe. An access assembly comprising a curved plate and an upstanding access pipe is pressed onto the buried pipe with the curved plate embracing the buried pipe and the access pipe extending upwardly. The curved plate is sealed to the buried pipe and a hole is cut in the buried pipe to provide communication from the access pipe into the buried
申请公布号 US2004037648(A1) 申请公布日期 2004.02.26
申请号 US20020225374 申请日期 2002.08.21
申请人 KIEST LARRY W. 发明人 KIEST LARRY W.
分类号 E03F3/04;F16L41/12;(IPC1-7):F16L55/18;B63B35/04;F16L1/00 主分类号 E03F3/04
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