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公开(公告)号：US11187045B2
公开(公告)日：2021-11-30
申请号：US16757734
申请日：2019-01-03
Applicant: ELEMENT SIX GMBH
Inventor： Bernd Heinrich Ries , Hauke Hinners , Ian Grenbjörk , Tomas Rostvall
Abstract: This disclosure relates to a percussive drill bit comprising PCD studs and a hard facing material that is strategically located to minimise stud pop outs and the amount of hard facing material used.
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