Hydraulic and earth engineering – Miscellaneous
Patent
1986-10-31
1987-11-24
Taylor, Dennis L.
Hydraulic and earth engineering
Miscellaneous
401261, 401265, 13735512, 13735516, 141367, 141387, 222530, 226196, 242 865R, 242 54A, 264 31, 425 59, 425 64, 405260, 405269, E21D 2002
Patent
active
047085320
ABSTRACT:
A device for storing a concrete feeding hose in a rock bolting device, comprising a reel for a hose, which reel is mounted rotatably on a supporter, and that end of the hose which is attached to the reel is connected to concrete feeding means. In order that the coiling device could be used for passing the hose into a drill hole and for drawing it out of the hole, the reel is surrounded by a ring-shaped supporting wall against which the hose is positioned when the reel is rotated in the uncoiling direction. An unrotative guiding means is provided beside the supporting wall so as to guide the hose out of the reel by the action of an axial expulsive force exerted on the hose due to the rotary movement of the reel.
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OY Tampella AB
Taylor Dennis L.
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