Mechanical guns and projectors – Fluid pressure – With control for discharge of fluid pressure
Reexamination Certificate
2007-03-06
2007-03-06
Carone, Michael J. (Department: 3641)
Mechanical guns and projectors
Fluid pressure
With control for discharge of fluid pressure
C124S073000, C124S074000, C124S075000, C124S076000, C124S077000
Reexamination Certificate
active
11362589
ABSTRACT:
In a compressed air gun for use by police and firefighting forces for breaking open doors, including a compressed air cannon with an ammunition ball, wherein the compressed air cannon has a compressed air chamber, a barrel extending from the compressed air chamber and a discharge valve for releasing the pressurized air from the compressed air chamber into the barrel the ammunition ball consists of a hollow plastic ball which is filled with a heavy material providing, upon being shot out of the barrel by the compressed air, an impact force sufficient to break down a door to be opened without rebounding or generating shrapnel that could endanger a person using the gun.
REFERENCES:
patent: 3382859 (1968-05-01), Klingman
patent: 5450839 (1995-09-01), Nicolaevich et al.
patent: 6371028 (2002-04-01), Saxby
patent: 6543365 (2003-04-01), Vasel et al.
Ambühl Christian
Effenberger Reinhard
Neumeir Anlon
Bach Klaus J.
Carone Michael J.
HNE Technologie AG
Klein Gabriel J.
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