E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 17/00 (2006.01) C23C 22/12 (2006.01) C23C 22/18 (2006.01) C23C 22/83 (2006.01) E21B 1/38 (2006.01) E21B 21/00 (2006.01)
Patent
CA 2479431
The present invention relates to a method of protecting corrosion vulnerable parts of rock drilling equipment in particular against corrosion, particularly a shank adapter, wherein the adapter is coated by zinc phosphatization, zinc manganese phosphatization or manganese phosphatization followed by an oiling or waxing process.
L'invention concerne un procédé permettant de protéger des parties vulnérables d'un équipement de perforatrice de roches contre la corrosion, en particulier un adaptateur de tige, ledit adaptateur étant recouvert par phosphatation au zinc, au zinc manganèse ou au manganèse suivie d'un procédé de lubrification ou de paraffinage.
Atlas Copco Secoroc Ab
Kirby Eades Gale Baker
LandOfFree
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