Spade drill bit construction

Details Spade drill bit construction Spade drill bit construction

1994-02-16

1995-10-17

Schoeppel, Roger J.

Boring or penetrating the earth

Bit or bit element

Specific or diverse material

175434, 51293, 408145, 408221, 408222, 451 48, E21B 1058

Patent

active

054582113

ABSTRACT:
A spade in a bit body is disclosed to have a planar body shaped with two intersecting cutting faces. The cutting faces extend to side faces defining spade width for cutting a hole to gauge. Inserts positioned in the body are at the comer of the spade. The inserts are formed of very hard material, and provide longer life.

REFERENCES:
patent: 4592433 (1986-06-01), Dennis
patent: 4604106 (1986-08-01), Hall et al.
patent: 4627503 (1986-12-01), Horton
patent: 5137398 (1992-08-01), Omori et al.
patent: 5195403 (1993-03-01), Sani et al.
patent: 5273557 (1993-12-01), Cerutti et al.

Affiliated with

Also associated with

Rating

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

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-590578