C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 127/18 (2006.01) B26F 1/16 (2006.01) C21D 6/04 (2006.01) C21D 9/22 (2006.01)
Patent
CA 2323270
There is provided a process for the treatment of a paper drill bit comprising the steps of subjecting the drill bit to deep cryogenic treatment, and coating the drill bit with a dry film fluorocarbon lubricant is a resin-bonded fluoropolymer coating.
Dexter-Lawson Manufacturing Inc.
Gowling Lafleur Henderson Llp
LandOfFree
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