Apparatus for use in drilling

Details Apparatus for use in drilling Apparatus for use in drilling

1977-12-19

1982-06-01

Kundrat, Andrew V.

Joints and connections

Screw or cam

403347, E21B 1702

Patent

active

043325025

ABSTRACT:
A drill element in the form of a drill rod, a sleeve for coupling together two drill rods or a drill bit; the drill element having a single start internal or external cylindrical screw thread by which it is intended to be coupled to a further drill element in the assembly of a drill string for percussion or rotary/percussion drilling.

REFERENCES:
patent: 3388935 (1968-06-01), Hjalsten et al.
patent: 3645570 (1972-02-01), Johansson et al.
patent: 3717368 (1973-02-01), Czarnecki et al.
patent: 3822952 (1974-07-01), Johansson et al.

Affiliated with

Also associated with

Rating

Apparatus for use in drilling does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Apparatus for use in drilling, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus for use in drilling will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1847383