Method of forming a non-toxic frangible bullet core
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United States of America Patent
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Apr 20, 1999
Grant Date -
N/A
app pub date -
Aug 1, 1997
filing date -
Aug 1, 1997
priority date (Note) -
Expired
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Abstract
A method of forming a frangible metal bullet core comprising providing an elongated inner heart member made up initially of a bundle of parallel zinc wires, twisting a plurality of zinc wires tightly around that bundle in a spiral path to cause the wires to inter-engage, deform and cohere to each other, and thereafter swaging the inter-engaged wires into the shape of a bullet core to cause the core, upon striking a target, to disintegrate into fragments smaller than the individual wires. Although copper, iron, and steel wires may be used, zinc made up of 99.99% pure zinc has been found to be preferable for forming such a core.
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