Rock drilling apparatus

Details Rock drilling apparatus Rock drilling apparatus

1990-03-26

1992-08-18

Dang, Hoang C.

Boring or penetrating the earth

With means to feed drive

173 4, 173141, 175162, 175203, E21B 302

Patent

active

051390973

ABSTRACT:
The invention relates to a rock drilling apparatus comprising a carrier and at least one drill boom mounted in the carrier and provided with a drifter and a feeding beam. Valves for the control of the operations of the drifter and the feeding beam are arranged in the form of an integral control unit. The control unit is mounted in a cradle provided for the feeding beam and it communicates with the carrier by means of merely two pressure fluid hoses and a control cable.

REFERENCES:
patent: 2842340 (1958-07-01), Burress
patent: 3091439 (1963-05-01), Adams et al.
patent: 3409089 (1968-11-01), Meyer
patent: 3670826 (1972-06-01), Hanson et al.
patent: 3933208 (1976-01-01), Bailey et al.
patent: 4341271 (1982-07-01), Anttila
patent: 4498544 (1985-02-01), Molin
patent: 4503918 (1985-03-01), Bergkvist et al.
patent: 4639868 (1987-01-01), Tanaka et al.

Affiliated with

Also associated with

Rating

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1242147