B - Operations – Transporting – 23 – B
Patent
B - Operations, Transporting
23
B
77/12
B23B 41/08 (2006.01) B23B 41/10 (2006.01) F16L 47/34 (2006.01)
Patent
CA 1087424
TAPPING TEE CUTTER HAVING RELIEVED SIDEWALL Abstract of the Disclosure A tapping tee cutter for cutting plastic pipe is provided which comprises an externally threaded plug body attached to a thin-walled, hollow band cutter having a cutting edge with the portion of the band wall nearest the cutting edge having an external diameter at least as great as the cutting edge and forming a shoulder with an adjacent portion of the band cutter wall having a relieved external diameter sufficiently less than the diameter of the cutting edge so that frictional contact between the relieved diameter and a pipe wall being tapped is minimized.
259982
Osler Hoskin & Harcourt Llp
Phillips Petroleum Company
LandOfFree
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