Cutter bit with optimized shank

Details Cutter bit with optimized shank Cutter bit with optimized shank

1991-07-26

1992-09-08

Bagnell, David J.

Mining or in situ disintegration of hard material

Miscellaneous

125 40, 175414, E21B 1036

Patent

active

051452375

ABSTRACT:
An axially extending cutter bit has a shank extending between a trailing end (2, 7) arranged to be inserted into a tool chuck and a leading or working end (5, 8) with the shank between the trailing end and leading end being divided into a first section proceeding from the trailing end and a second section proceeding from the first section to the leading end. The second section is stepped inwardly from the first section. As a result, the energy throughput in passing shock waves is improved and higher material removal rates by the leading or working end are achieved.

REFERENCES:
patent: 2557195 (1951-06-01), Neamand
patent: 2629588 (1953-02-01), Neamand

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