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US 4,199,262 AGranted
Bulk explosive mixing and delivery apparatus
AssigneeCanadian Industries Limited
InventorsWilliam E. Cribb, Robert J. Roach
Life of this patent
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Abstract
A mobile mixing and delivery apparatus for bulk slurry explosive compositions is provided. The apparatus comprises a vehicle body upon which is mounted a rotatable drum mixer. Explosive ingredients are fed into the mixer, mixed and then delivered close to the point of use where they are pumped through a hose into boreholes. Provision is made for the addition of thickness or other additives to the slurry during pumping.
Claims9
An apparatus for mixing and delivering a pumpable explosive composition and charging a borehole with same, comprising in combination:
- (a) a vehicular body,
- (b) a rotatable mixing drum mounted on said vehicular body,
- (c) motor means for rotating said drum in clockwise and counter clockwise directions,
- (d) means for charging explosive mixture ingredients into said drum,
- (e) receiving means adapted to receive a mixed explosive composition from said drum,
- (f) conduit means connected to an outlet in said receiving means, said conduit means containing at least one in-line static mixing means,
- (g) inlet means close to said in-line mixer for the addition thereto of one or more fluid additives,
- (h) pump means adapted to withdraw said mixed explosive composition from said receiving means, conduit and in-line mixer, and
- (i) flexible hose means retractably mounted on a hose reel and connected downstream of said pump, conduit and in-line mixer adapted to direct said mixed, pumped explosive composition to a point of use.
6 more elements
Dependencies are inferred from the claim text.