Automatically controlled rock drilling apparatus

Details Automatically controlled rock drilling apparatus Automatically controlled rock drilling apparatus

1983-02-10

1985-02-26

Nelson, Peter A.

Ammunition and explosives

Blasting

Borehole loading

102312, 299 13, 173 11, F42D 300

Patent

active

045011990

ABSTRACT:
This invention relates to an automatically controlled rock drilling apparatus which performs rock drilling operations as well as post-drilling operations such as explosive charging. Memory means are used during the drilling operation and reused during subsequent operations for follow-up work, specifically the charging of explosive to the drilled bores.

REFERENCES:
patent: 3721471 (1973-03-01), Bergman et al.
patent: 4040355 (1977-08-01), Hopler, Jr.
patent: 4230189 (1980-10-01), Mashimo
patent: 4246973 (1981-01-01), Mayer
patent: 4356871 (1982-11-01), Fujikawa

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