Ammunition and explosives – Projectiles – Composite
Reexamination Certificate
2006-03-07
2006-03-07
Johnson, Stephen M. (Department: 3641)
Ammunition and explosives
Projectiles
Composite
C102S439000
Reexamination Certificate
active
07007609
ABSTRACT:
A plastic, cup-shaped, multi-petal sabot housing a sub-caliber projectile for use such as in shotgun cartridges. The sabot engages the rifling of the shotgun barrel and transfers the spin to the projectile. A reinforcement disk is advantageously at least partially embedded in a sabot base and has a central aperture and a plurality of additional apertures. Sabot base material extends through the additional apertures. Advantageously, in its relaxed condition, each sabot petal includes a protrusion from its inboard surface for engaging a projectile ogive. The protrusion and its contact area with the projectile are fractions of the local petal width.
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The Shotgun Slug Revolution, Bryce M. Townsley,American Rifleman, vol. 148, No. 3; pp. 4, 30-33 and 66; Mar. 2000.
Eberhart Gerald T.
Gardner Robert J.
Meyer Stephen W.
Gongerri Anthony P.
Johnson Stephen M.
Olin Corporation
Rosenblatt Gregory S.
Wiggin and Dana LLP
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