发明名称 Tubular casing cutter
摘要 A machine for cutting a length of pipe has a body with cross-sectional dimensions which are less than the inner diameter of the pipe to be cut. The machine has a plurality of legs which extend radially from the body such that the machine can be fitted within a length of pipe and locked in position by moving the legs radially outward. The machine further has a rotating tool for cutting the inner wall of the length of pipe.
申请公布号 US5823255(A) 申请公布日期 1998.10.20
申请号 US19960768321 申请日期 1996.12.17
申请人 THE E. H. WACHS COMPANY 发明人 SWIATOWY, JEFFREY;FERRAR, SCOTT
分类号 B23D21/14;E21B29/00;(IPC1-7):E21B29/00 主分类号 B23D21/14
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