Rotary rock bit with improved diamond filled compacts

Details Rotary rock bit with improved diamond filled compacts Rotary rock bit with improved diamond filled compacts

1991-03-01

1992-06-09

Parker, Roscoe V.

Metal tools and implements, making

Blank or process

Drill

264 60, 264 67, 51293, 51309, 76DIG11, 76DIG12, B21K 502

Patent

active

051197146

ABSTRACT:
In an improved earth boring bit of the type having one or more rotable cones secured to bearing shafts, an improved cutting structure having diamond filled compacts used as a wear resistant inserts. The improved compacts have hard metal jackets and integrally formed diamond cores. The improved compacts are advantageously used as gage and heel row compacts when inserted in mating recesses provided on the exteriors of the rotatable cones.

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