Powder metallurgy processes – Powder metallurgy processes with heating or sintering – Powder pretreatment
Patent
1997-09-15
1999-10-05
Jenkins, Daniel J.
Powder metallurgy processes
Powder metallurgy processes with heating or sintering
Powder pretreatment
419 9, 419 37, 419 31, 419 54, 419 29, 761082, 761084, 327331, 327374, B22F 310, E21B 936
Patent
active
059637757
ABSTRACT:
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.
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Jenkins Daniel J.
Smith International Inc.
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