Ammunition and explosives – Shells – Practice
Reexamination Certificate
2005-03-29
2005-03-29
Carone, Michael J. (Department: 3641)
Ammunition and explosives
Shells
Practice
C102S368000, C102S513000, C446S401000, C446S473000, C473S577000
Reexamination Certificate
active
06871594
ABSTRACT:
A reusable paint dispersing grenade of the type employed in paint ball games is constructed in such a manner as to avoid the use of any combustible materials, and also to avoid the requirement for access to a source of compressed air for operation. The paint grenade of the invention has a hollow, fluid-tight casing defining an enclosed cavity that is divided internally into a marking paint chamber, a first propellant component chamber, and a second propellant component chamber. The propellant component chambers are each filled separately with propellant components, but remain isolated from each other until the paint dispersing grenade is used. At that time the propellant components chemically react with each other in a noncombustible manner to produce a quantity of gas under pressure. The expanding gas produced by the chemical reaction builds to a pressure sufficient to break a paint seal in the casing or a gas seal initially separating the gas from the paint, whereupon the gas under pressure forces the paint out through one or more paint expulsion ports. The device may be recharged with marking paint and the chemically reactive propellant components any number of times.
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Carone Michael J.
Chambers Troy
Thomas Charles H.
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