Increased projection for compacts of a rolling cone drill bit

Details Increased projection for compacts of a rolling cone drill bit Increased projection for compacts of a rolling cone drill bit

2006-03-14

2006-03-14

Gay, Jennifer H. (Department: 3672)

Boring or penetrating the earth

Bit or bit element

Specific or diverse material

C175S374000

Reexamination Certificate

active

07011170

ABSTRACT:
An earth boring bit has rolling cones rotatably mounted to the bit legs. Each cone has conical bands extending around the exterior. Holes are formed in each of the bands. Compacts are press-fitted into the holes, each having a cutting tip that projects from the conical band. Flats are formed in the conical bands, each flat extending between adjacent compacts.

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patent: 2004/0003946 (2004-01-01), Yong et al.
patent: 2005/0077092 (2005-04-01), Yong et al.

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