Fluid handling – With casing – support – protector or static constructional... – With hose storage or retrieval means
Patent
1976-09-24
1978-01-03
Nilson, Robert G.
Fluid handling
With casing, support, protector or static constructional...
With hose storage or retrieval means
13735512, 137615, 242 54R, 242 862, 242117, B65H 7534
Patent
active
040660931
ABSTRACT:
The invention relates to a hose feeding winch intended for use in charging drill-holes with pulverulent or pumpable explosives through a hose inserted into each individual drill-hole. The winch comprises a drum rotatable about a central shaft, a drum cage enclosing said drum and rotatable about said central shaft, and a cradle supporting the central shaft and rotatable about a central axis on the platform of the truck. The drum has means forming a channel or path for the charging hose to be wound and unwound thereon in a single layer, and without displacement by sliding movement in radial or peripheral direction on the surface of the drum. The cradle carries an extensible unit adapted to be elevated relative to the cradle, and comprising two parts longitudinally slidable the one within the other, and a nose device swingably attached to the discharge end of the extension unit, and equipped with means for guiding the hose from the drum and along the extension unit, and means for aligning the front end of the hose with the axis of the drill-hole to be charged with explosive. The truck carries explosives that are fed to the charging hose. By rotation of the drum the hose is fed through the extension unit and into the drill-hole. Two power control pulpits are arranged on the truck to be accessible to an operator standing behind the truck.
REFERENCES:
patent: 2708080 (1955-05-01), Lebus
patent: 3175574 (1965-03-01), Morford
patent: 3291256 (1966-12-01), Eitel
patent: 3744719 (1973-07-01), Wallick
Nilson Robert G.
Nitro Nobel AB
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