发明名称 Pipe reaming device
摘要 A device for removing pipe attached to a fitting includes cutting apparatus for removing the pipe disposed within the fitting. A wrench apparatus is connected to the cutting apparatus for gripping the fitting to prevent its movement when the cutting apparatus is activated. Alternatively, this device may be used as a reaming device which permits radial movement of the cutting blades into engagement with a pipe after the cutting blades have been inserted within the pipe.
申请公布号 US4483222(A) 申请公布日期 1984.11.20
申请号 US19810297495 申请日期 1981.08.28
申请人 DAVIS, DALTON W. 发明人 DAVIS, DALTON W.
分类号 B23B5/16;(IPC1-7):B23B51/00;B23B41/00 主分类号 B23B5/16
代理机构 代理人
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