Diamond enhanced rock drill bit for percussive drilling

Details Diamond enhanced rock drill bit for percussive drilling Diamond enhanced rock drill bit for percussive drilling

1997-11-06

1999-09-07

Dang, Hoang C.

Boring or penetrating the earth

Bit or bit element

Impact or percussion type

1754202, 175426, E21B 1056

Patent

active

059472154

ABSTRACT:
A rock drill bit for percussive drilling includes a steel body in which six gauge buttons and a single front button are mounted. The gauge buttons are arranged symmetrically and equally spaced about a central axis of the bit. The front button is arranged along the central axis. The front button is of larger diameter than the gauge button. At least three of the gauge buttons are diamond-enhanced, and the front button may be diamond-enhanced.

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patent: 5379854 (1995-01-01), Dennis
patent: 5794728 (1998-08-01), Palmberg

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