Diamond rock tools for percussive and rotary crushing rock...

Details Diamond rock tools for percussive and rotary crushing rock... Diamond rock tools for percussive and rotary crushing rock...

E - Fixed Constructions

21

B

255/68

E21B 10/36 (2006.01) E21B 10/46 (2006.01) E21B 10/56 (2006.01)

Patent

CA 2040589

ABSTRACT The present invention relates to a rock bit button of cemented carbide for percussive or rotary crushing rock drilling. The button is provided with one or more bodies of polycrystalline diamond in the surface produced at high pressure and high temperature in the diamond stable area. Each diamond body is completely surrounded by cemented carbide except the top surface.

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