Diamond rock tools for percussive and rotary crushing rock drill

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

1990-04-19

1992-10-13

Neuder, William P.

Boring or penetrating the earth

Bit or bit element

Impact or percussion type

175428, E21B 1046

Patent

active

051542455

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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