Lead free, composite polymer based bullet and cartridge case, and method of manufacturing
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United States of America Patent
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app pub date -
Feb 17, 2005
filing date -
Oct 29, 2003
priority date (Note) -
Abandoned
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Abstract
A lead-free, composite polymer based bullet and cartridge case, wherein the cartridge case is formed by matingly engaging a cylindrical body and a corresponding base. A belted cartridge case has a double wall design, which provides the cartridge with increased thickness, and in turn, a reinforced structure useful for withstanding breakage from an impact caused by high pressure loads. The belt is formed to have an inner diameter at a first end of the base that is larger than the outer diameter of any portion of the cylindrical body. A nested cartridge case allows the second end of the case to nest in a first end of the base at an engaging region.
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