Diamond rock tools for percussive and rotary crushing rock drilling

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 (A) in the surface (B) produced at high pressure and high temperature in the diamond stable area. Each dia...

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Bibliographic Details
Main Authors FISCHER, UDO, WALDENSTROEM, MATS, DENNIS, MAHLON, HILLERT, LARS
Format Patent
LanguageEnglish
French
German
Published 06.03.1996
Edition5
Subjects
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Summary: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 (A) in the surface (B) 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.
Bibliography:Application Number: EP19910850093