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US 2022/0065600 A1Published application
Major caliber projectile obturator
AssigneeBAE Systems Land & Armaments L.P.
InventorsBrian J. Isle, Charles M. Bies
Life of this patent
Estimating the term…
Abstract
The present invention is an obturator for a guided projectile. The obturator allows for decoupling the projectile from the rotation of the rifled barrel by use of a static band, a front slip band, a rear slip band and a slip disk. The slip disk is disposed between the front and rear slip bands and allows the rear slip band to rotate independently from the front slip band.
Claims10
A spin decoupling obturator for a projectile comprising;
- a stationary band, said stationary band disposed about the projectile,
- a front slip band,
- a rear slip band, and
- a slip disk, said slip disk positioned between the front slip band and the rear slip band,
- wherein the front slip band, the rear slip band and the slip disk are disposed about the stationary band.
2 more elements
A method for decoupling a guided projectile from the rifling of a hot gun during firing, the method comprising;
- providing a spin decoupling obturator about the guided projectile, said spin decoupling obturator including a stationary band, said stationary band disposed about the projectile, a front slip band, a rear slip band, and a slip disk, said slip disk positioned between the front slip band and the rear slip band,
- pressurizing the guided projectile by firing to force the front slip band radially outward to engage a gun barrel;
- forcing the rear ramp of the front slip band to force the rear slip band radially outward to engage the gun barrel;
- and
- positioning the slip disk between the front slip band and the rear slip band so that rear slip band can rotate independently of the front slip band.
2 more elements
Dependencies are inferred from the claim text.