Composite gun barrel with outer sleeve made from shape memory alloy to dampen firing vibrations
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United States of America Patent
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Dec 22, 2015
Grant Date -
Sep 3, 2015
app pub date -
Jul 1, 2014
filing date -
Mar 2, 2011
priority date (Note) -
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Abstract
According to one aspect, a composite gun barrel comprises an inner rifled liner tube having an outer surface, and an outer sleeve comprising a shape memory alloy and having an inner surface disposed against the outer surface of the inner rifled liner tube. The inner rifled liner tube is configured for guiding projectiles and the outer sleeve is configured for dampening the firing vibrations encountered by the inner rifled liner tube. A method for forming a composite gun barrel comprises providing an inner rifled liner tube having an outer surface. A sleeve made from a shape memory alloy and having an inner surface is provided. The outer sleeve is disposed about the inner rifled liner tube so that the inner surface of the outer sleeve substantially engages the outer surface of the inner rifled liner tube.
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