B - Operations – Transporting – 22 – F
Patent
B - Operations, Transporting
22
F
B22F 5/08 (2006.01) B22F 3/10 (2006.01) B22F 3/12 (2006.01) B22F 3/22 (2006.01) B22F 5/00 (2006.01) E21B 10/08 (2006.01) E21B 10/50 (2006.01)
Patent
CA 2191662
A milled tooth shaped rotary cone drill bit for drilling oil wells and the like manufactured using a powder metallurgy process in which an alloy powder is pressure molded into the desired bit shape, sintered, and precision machined.
répan de forage rotary à cônes taillés en forme de dents pour forage de puits de pétrole et ouvrages semblables, fabriqué suivant un procédé métallurgique dans lequel un alliage en poudre est moulé par pression à la forme désirée de trépan, fritté et soumis à un usinage de précision.
Oyen Wiggs Green & Mutala Llp
Smith International Inc.
LandOfFree
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