Non-lethal projectile ammunition

Details Non-lethal projectile ammunition Non-lethal projectile ammunition

2011-04-26

2011-04-26

Hayes, Bret (Department: 3641)

Ammunition and explosives

Cartridges

Practice projectile type

C102S444000, C102S502000

Reexamination Certificate

active

07930977

ABSTRACT:
Non-lethal ammunition for a riot gun assembles a bi-chambered projectile body and an impact nose, the assembly being spin-stabilized and nose-heavy such that the nose will impact first at the target. The rearward end of the assembly is mounted into the forward end of a shell casing having a high-energy gas expansion chamber, the mounting forming a low-pressure chamber at the rearward end of the projectile. A cup-shaped multi-port gas diffuser plug, spaced from the projectile body, directs burnt propellant gases from the expansion chamber into the low-pressure chamber to expel the projectile at a relatively low velocity. A sleeve interiorly of the gas diffuser plug closes the ports and is degraded by the burnt gases to provide a complete burning of the propellant.

REFERENCES:
patent: H000114 (1986-08-01), Quintavalle
patent: 5402729 (1995-04-01), Richert
patent: 6041712 (2000-03-01), Lyon
patent: 6302028 (2001-10-01), Guillot-Ulmann et al.
patent: 6832557 (2004-12-01), Torsten
patent: 7287475 (2007-10-01), Brunn
patent: 2220467 (1990-01-01), None

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