Rotary drill bit insert

Details Rotary drill bit insert Rotary drill bit insert

1991-03-06

1992-12-22

Britts, Ramon S.

Boring or penetrating the earth

Processes

1754201, 175426, E21B 700

Patent

active

051727757

ABSTRACT:
A rotary drill bit insert including an elongated body rotatable about a central axis and having two halves symmetrical about the axis, each symmetrical half having a top surface including a planar front surface contiguous a noncoplanar back relief surface, a bottom surface opposite the top surface, a leading face extending between forwardly facing edges of the front surface and the bottom surface, a trailing face opposite the leading face extending between rearwardly facing edges of the back relief surface and the bottom surface and a distal end surface extending between outwardly distal edges of the top surface, leading face, trailing face, and bottom surface.

REFERENCES:
patent: 3163246 (1964-12-01), Vagins et al.
patent: 3966350 (1976-06-01), Benjamin
patent: 4342368 (1982-08-01), Denman
patent: 4489796 (1984-12-01), Sanchez et al.
patent: 4492278 (1985-01-01), Leighton
patent: 4527638 (1985-07-01), Sanchez et al.
patent: 4527931 (1985-07-01), Sarin
patent: 4568227 (1986-02-01), Hogg
patent: 4595322 (1986-06-01), Clement
patent: 4696355 (1987-09-01), Haussmann
patent: 4787464 (1988-11-01), Ojanen
patent: 4984944 (1991-01-01), Pennington et al.

Affiliated with

Also associated with

Rating

Rotary drill bit insert does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Rotary drill bit insert, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Rotary drill bit insert will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-970690