Title:
Detonation of unprimed base charges
United States Patent 2867172

Inventors:
Hradel, Joseph R.
Publication Date:
01/06/1959
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Assignee:
Hradel, Joseph R.
Primary Class:
102/310
Other Classes:
166/299, 149/92, 86/20.150
International Classes:
F42D1/00; F42D1/10
US Patent References:
2504611Pressure reduction chamber and unloading valve for explosives
2703528Blasting process
2704515
2708876Ring detonation process for increasing productivity of oil wells
Foreign References:
GB701074A