Ammunition and explosives – Blasting – Contained blasting charge
Patent
1979-04-06
1981-08-11
Nelson, Peter A.
Ammunition and explosives
Blasting
Contained blasting charge
102320, 102322, 102324, C06C 1100
Patent
active
042828120
ABSTRACT:
A chub cartridge has a tubular chamber containing a water-bearing blasting agent, and a longitudinal tunnel adjacent to the tubular chamber and integral therewith. Preferably, the tunnel is full-length and continuous and has holes for threading a detonating cord therethrough and for holding a cord firmly against the tubular chamber for the cord-priming of the cartridges. In primer assemblies, the tunnel also can be used to hold a cap/booster in place, and for lacing cap wires or a low-energy detonating cord. A preferred cartridge is made continuously in a series by wrapping a web of film having a row of holes along one edge so as to form a tube and an outer flap containing the holes, and sealing the tube and the flap so as to form a tunnel containing the holes in its outer portion, the wrapping being performed so that either the inner or outer portion of the tunnel is circumferentially longer than the other.
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Forgey James H.
Stephens Donald R.
Tan Engnam A.
Ascani Diamond C.
E. I. du Pont de Nemours & Company
Nelson Peter A.
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