Overburden eliminator rock drill bit

Details Overburden eliminator rock drill bit Overburden eliminator rock drill bit

1989-08-22

1990-03-27

Massie, Jerome W.

Boring or penetrating the earth

Bit or bit element

With fluid conduit lining or element

175415, 175418, E21B 1036

Patent

active

049117297

ABSTRACT:
An improved overburden eliminator rock drill bit (10) is provided which includes a cylindrical body (12), cutting inserts (14) mounted thereon, and squared grooves (16) formed along the length of body (12) in a vertically tapered fashion. The taper of grooves (16) is counterclockwise in slope when viewed from the top, i.e. as viewed from above rearward end (20). Cutting face (22) engages overburden as cutting edges (30) cut overburden material so that it may be blown upwardly along grooves (16) by fluid pressure exerted through openings (32). The taper of grooves (16) serves to facilitate the upward migration of overburden material during the counter clockwise rotary action of bit (10).

REFERENCES:
patent: 2696973 (1951-02-01), Baumgartner
patent: 2733943 (1956-02-01), Nater
patent: 2776819 (1957-01-01), Brown
patent: 2879973 (1959-03-01), Saxman
patent: 3194331 (1965-07-01), Arnold
patent: 3605925 (1969-09-01), Berscheid
patent: 3945446 (1976-03-01), Ostertag et al.
patent: 4049066 (1977-09-01), Richey
patent: 4385669 (1983-05-01), Knutsen

Affiliated with

Also associated with

Rating

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

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1648092