Rolling cutter drill bit with stabilized insert holes and method

Details Rolling cutter drill bit with stabilized insert holes and method Rolling cutter drill bit with stabilized insert holes and method

1999-01-22

2000-08-01

Pezzuto, Robert E.

Boring or penetrating the earth

Bit or bit element

Rolling cutter bit or rolling cutter bit element

175432, E21B 1016

Patent

active

060952644

ABSTRACT:
A rolling cutter drill bit and method for making a rolling cutter drill bit having a cutting insert pressed into a socket, wherein the socket forms a juncture with the curved outer surface of a rolling cutter, and the juncture contacts a plane in contact with the juncture in at least three points located on the juncture.

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patent: 5868213 (1999-02-01), Cisneros et al.

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