A rock drill bit and cutting inserts

PCT No. PCT/SE95/01147 Sec. 371 Date Mar. 26, 1997 Sec. 102(e) Date Mar. 26, 1997 PCT Filed Oct. 4, 1995 PCT Pub. No. WO96/12086 PCT Pub. Date Apr. 25, 1996The present invention relates to a cutting insert for a rock drill bit. The rock drill bit includes a tool body (10) having a front surface (13)...

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Bibliographic Details
Main Authors UDO FISCHER, TORBJORN HARTZELL, KAUKO KARKI
Format Patent
LanguageEnglish
Published 06.05.1996
Edition6
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:PCT No. PCT/SE95/01147 Sec. 371 Date Mar. 26, 1997 Sec. 102(e) Date Mar. 26, 1997 PCT Filed Oct. 4, 1995 PCT Pub. No. WO96/12086 PCT Pub. Date Apr. 25, 1996The present invention relates to a cutting insert for a rock drill bit. The rock drill bit includes a tool body (10) having a front surface (13), and a number of cutting inserts (14), each having a generally cylindrical shank portion. The cutting insert (14) is provided with increased volume portions in its parts being most subjected to wear. The invention also relates to the rock drill bit.
Bibliography:Application Number: AU19950037131