Mining apparatus

Details Mining apparatus Mining apparatus

1979-10-11

1981-07-21

Purser, Ernest R.

Mining or in situ disintegration of hard material

Automatic control; signaling or indicating

Of hard material disintegrating machine

175 45, E21C 3508

Patent

active

042794439

ABSTRACT:
The present invention is directed to a mining apparatus including a device comprising at least one pair of projectors for determining position of the apparatus in a mine by the intersection of paths from the projectors.

REFERENCES:
patent: 3719394 (1973-03-01), Hartley
patent: 4072349 (1978-02-01), Hartley

Affiliated with

Also associated with

Rating

Mining apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2432616