Threaded percussion primer
United States Patent 3306203
US Patent References:
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Inventors:
Franz, Schaadt
Gunter, Backstein
Publication Date:
02/28/1967
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Assignee:
Franz, Schaadt
Gunter, Backstein
Primary Class:
86/18
Other Classes:
29/505, 86/1.100
International Classes:
F42C19/08; F42C19/10; F42C19/00
US Patent References:
2381900Delay element for fuses
2696191Electrically operated primer
2926607Hermetically sealed explosive cartridge