Drill bit with cemented carbide inserts

Details Drill bit with cemented carbide inserts Drill bit with cemented carbide inserts

1989-07-28

1990-08-28

Neuder, William P.

Boring or penetrating the earth

Bit or bit element

Plural separable cutter elements

761082, E21B 1052

Patent

active

049517627

ABSTRACT:
A drill bit of the percussion type includes a bit body of steel, a front portion of which is provided with at least one slot in which an insert is attached by brazing. Brazed between the insert and side walls of the slot are side plates which are of uniform thickness while being thinner than the insert. The side plates are formed of cemented carbide or a metal alloy with a coefficient of linear expansion which for temperatures below 500.degree. C. is substantially smaller than that of steel and the braze metal while being approximately the same as that of the insert.

REFERENCES:
patent: 3294186 (1986-12-01), Buell
patent: 3528465 (1970-09-01), Omley
patent: 4683781 (1987-08-01), Kar et al.
patent: 4694918 (1987-09-01), Hall
patent: 4764255 (1988-08-01), Fischer et al.
patent: 4817742 (1989-04-01), Whysong
patent: 4821819 (1989-04-01), Whysong

Affiliated with

Also associated with

Rating

Drill bit with cemented carbide inserts does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1583719