发明名称 METHOD AND DEVICE FOR PIPE SPLITTING
摘要 A device and method for pipe replacement is shown. A pipe replacement device is shown that includes at least one scoring wheel to provide a more progressive cut that provides consistency in the split of the pipe. A pulling force is reduced using pipe replacement devices and methods in a splitting operation. A pipe replacement device is shown that includes at least one skid structures with a long and consistent profile. In methods shown, friction between a pipe replacement device and the pipe being split is reduced.
申请公布号 US2008317554(A1) 申请公布日期 2008.12.25
申请号 US20080204329 申请日期 2008.09.04
申请人 TJADER MICHAEL 发明人 TJADER MICHAEL
分类号 F16L55/44;B23D21/02;B23D21/06;B26D3/16 主分类号 F16L55/44
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