Low shrapnel door breaching projectile system
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United States of America Patent
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Jun 25, 2013
Grant Date -
Aug 30, 2012
app pub date -
Mar 24, 2011
filing date -
Jan 19, 2010
priority date (Note) -
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Abstract
A modified 40 mm grenade round designed to breach doors without throwing a significant amount of shrapnel into a building's interior or back toward the shooter. The modified round includes a forward extension on the ogive. The extension is rigidly connected to a thrust column which transmits an impact load directly from the ogive's nose cap to the striker on the fuse assembly. This configuration detonates the explosive charge within the projectile while the explosive is still well outside the door. This early detonation throws a pressure wave again the door's exterior, forcing the door inward.
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