Turret for roof bolting apparatus

Details Turret for roof bolting apparatus Turret for roof bolting apparatus

1984-12-11

1986-05-13

Novosad, Stephen J.

Boring or penetrating the earth

With above-ground guide for relatively advancing tool

173 43, 405259, 405303, E21C 900, E21D 2002

Patent

active

045880379

ABSTRACT:
This turret has a head 6 enabling, after the drilling of a hole 15, the injection of a resin cartridge without modifying the position of the turret 1. A movable member 8, displaced by a jack 14, has a first passage 11 traversed by the drilling rod 4, and a second passage 12 connected to the hose 13 for the injection of resin cartridges. After the drilling of the hole 15 and the retraction of the drilling apparatus 2, the movable member 8 is displaced such that the drilling rod 4 is laterally retracted by bending. The second passage 12 is simultaneously brought in line with the axis of the hole 15 so as to enable the injection of one or more resin cartridges.

REFERENCES:
patent: 3246705 (1966-04-01), Chappuis
patent: 4201270 (1980-05-01), Ribich et al.
patent: 4215953 (1980-08-01), Perraud
patent: 4229124 (1980-10-01), Frey et al.
patent: 4398850 (1983-08-01), Talvensaari

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