Molding a primer charge within a caseless propellant charge

Details Molding a primer charge within a caseless propellant charge Molding a primer charge within a caseless propellant charge

1975-05-23

1977-03-29

Miller, Edward A.

Plastic and nonmetallic article shaping or treating: processes

Explosive or propellant article shaping or treating

Rolling to form sheet or rod

86 20R, 102 45, 102DIG1, 102 38, C06B 2100

Patent

active

040149633

ABSTRACT:
A caseless formed propellant powder charge including a shaped propellant powder charge having a central continuous recess or hole and a percussion-sensitive primer charge with an H-shaped cross section disposed in the recess. Preferably, the shaped propellant charge and the primer charge are fabricated from materials such as nitrocellulose, polyvinyl nitrate, nitroguanidine, penthrite, or mixtures thereof, and tetrazene or tetrazene tricinate, respectively. The compression and dimensioning of the various portions of the H-shaped primer charge may be modified to achieve the desired sensitivity.

REFERENCES:
patent: 3345945 (1967-10-01), Quinlan et al.
patent: 3372643 (1968-03-01), Kvavle
patent: 3420137 (1969-01-01), Staba
patent: 3485901 (1969-12-01), Quinlan
patent: 3741122 (1973-06-01), Kordas
patent: 3754510 (1973-08-01), Marondel et al.

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