Förfarande vid korrosionsskydd av särskilt korrosionsutsatta delar i bergborrutrustning

摘要

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.