Expandable, self-tamping explosive bag

Details Expandable, self-tamping explosive bag Expandable, self-tamping explosive bag

1984-09-10

1988-11-29

Nelson, Peter A.

Ammunition and explosives

Blasting

Contained blasting charge

102324, 102334, F42B 300

Patent

active

047873167

ABSTRACT:
A package for blasting agents including an outer bag of a first diameter formed of a multilayer rupturable paper material and an inner waterproof bag of a second diameter larger than the diameter of the outer bag such that, upon being dropped into a blast hole, the outer bag ruptures allowing the inner bag to expand to the full cross section of the hole without tamping while maintaining the blasting agent in a waterproof condition.

REFERENCES:
patent: 2966855 (1961-01-01), Barco
patent: 3122096 (1964-02-01), Wick
patent: 3323455 (1967-06-01), Griffith
patent: 3731625 (1973-05-01), Slawinski
patent: 3791297 (1974-02-01), McKee
patent: 3806025 (1974-04-01), Marshall
patent: 3881417 (1975-05-01), Mesia
patent: 4492165 (1985-01-01), Marz

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