Mechanical guns and projectors – Fluid pressure – With control for discharge of fluid pressure
Patent
1991-05-06
1993-07-20
Reese, Randolph A.
Mechanical guns and projectors
Fluid pressure
With control for discharge of fluid pressure
124 73, 124 81, 124 83, F41B 1106
Patent
active
052284271
ABSTRACT:
An improved barrel for guns which do not have standard internal rifling is disclosed. The barrel has a plurality of apertures which extend a first longitudinal distance along the barrel from the muzzle end toward the breech end. The apertures may define a pair of parallel helixes. The sum of the cross-sectional areas of all apertures in the barrel exceeds the cross-sectional area of the barrel itself. Additionally, each aperture is bored at an angle so that its longitudinal axis defines an acute angle with a plane which is tangent to the barrel and which intersects the aperture. The apertures expel ambient air from the barrel and allow for expansion of compressed gas to stabilize a projectile, such as a paintball, thereby improving the accuracy of the gun. The barrel may also include two-staged honing, as well as a removable choke adjacent the breech end of the barrel.
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Kim Harry C.
Reese Randolph A.
Smart Parts, Inc.
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