Firearms – Underwater type
Reexamination Certificate
2008-01-01
2008-01-01
Carone, Michael J. (Department: 3641)
Firearms
Underwater type
C124S056000, C124S071000, C089S037010, C114S238000
Reexamination Certificate
active
07313881
ABSTRACT:
A pneumatic launcher has a plenum chamber section, an intermediate chamber section and a launch tube section connected together in a generally linear arrangement. The plenum chamber section defines a plenum chamber that has a closed end and an open end. The intermediate chamber section has aft and forward rupture disks consecutively arranged to define an intermediate chamber. The plenum chamber is pressurized with a pressurized gas to a design plenum pressure and the intermediate chamber is pressurized with a pressurized gas to pressure that is about one-half the design plenum pressure. The intermediate chamber is then depressurizing to produce a pressure imbalance between the plenum and intermediate chambers that causes said aft and forward rupture disks to rupture. As a result, pressure equilibrium occurs between the plenum chamber and launch tube thereby discharging the fluid and projectile from the interior of the launch tube.
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Bitsakis Nicholas
Gauthier Benoit G.
Gieseke Thomas J.
Kuklinski Robert
Carone Michael J.
Hayes Bret
Kasischke James M.
Nasser Jean-Paul A.
Stanley Michael P.
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