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US 5,646,367 AGranted
Conductive primer mix
AssigneeRemington Arms Company, Inc.
InventorsRobert B. Shanks, Frances G. Lopata, Kevin N. Graves
Life of this patent
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Abstract
Electrically ignitable conductive primer mixture comprising aluminum and carbon black and having reduced tetrazene, the mixture also containing lead styphnate, antimony sulfide and barium nitrate.
Claims5
An electrically ignitable small arms primer mixture comprising about from 30 to 40% lead styphnate;
- about from 4 to 12% antimony sulfide;
- about from 40 to 55% barium nitrate;
- about from 4 to 8% aluminum;
- about from 0.5 to 2% carbon black and up to about 1% binder, and wherein the mixture is substantially free from tetrazene.
1 more element
Dependencies are inferred from the claim text.