B - Operations – Transporting – 23 – D
Patent
B - Operations, Transporting
23
D
77/38
B23D 75/00 (2006.01) B23D 77/00 (2006.01) B23D 79/02 (2006.01) B29C 37/04 (2006.01)
Patent
CA 1140372
Abstract A cutting tool for cutting internally formed beads in welded plastic piping which comprises a shaft on which is mounted a helical cutting blade. Forward of the cutting blade is a grapnel to retrieve the cutting bead. In use, the tool is inserted down the bore of a pipe section until the leading edge of the cutting blade abutts the bead. The blade is forced into the bead by the pushing of the tool and then withdrawn from the bore of the pipe. The grapnel engages the cut bead which is withdrawn with the tool.
368956
British Gas Corporation
Gowling Lafleur Henderson Llp
LandOfFree
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