Explosive and thermic compositions or charges – Metal or alloy or metalloid – each in particulate form – with... – Plural oxygen yielding compounds
Patent
1997-02-19
1998-02-10
Nelson, Peter A.
Explosive and thermic compositions or charges
Metal or alloy or metalloid, each in particulate form, with...
Plural oxygen yielding compounds
149 37, 1491082, 102204, 102205, C06B 3312, F41F 140
Patent
active
057171599
ABSTRACT:
A lead-free percussion primer composition and a percussion cup containing e composition. The lead-free percussion primer composition is comprised of a mixture of about 45 wt % aluminum powder having an outer coating of aluminum oxide and molybdenum trioxide powder or a mixture of about 50 wt % aluminum powder having an outer coating of aluminum oxide and polytetrafluoroethylene powder. The aluminum powder, molybdenum trioxide powder and polytetrafluoroethylene powder has a particle size of 0.1 .mu.m or less, more preferably a particle size of from about 200-500 angstroms.
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patent: 4041217 (1977-08-01), Collins
patent: 4089715 (1978-05-01), Scherzinger
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patent: 5462306 (1995-10-01), Barcaskey
patent: 5552001 (1996-09-01), Fearon
Dixon George P.
Martin Joe A.
Thompson Don
Bokar Gregory M.
Church Stephen J.
Nelson Peter A.
Sliwka Melvin J.
The United States of America as represented by the Secretary of
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