U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Sabot and projectile

Patent 4434718 Issued on March 6, 1984. Estimated Expiration Date: Icon_subject September 11, 2001. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

3099958

3392934

3545383

3599568

3721194

Novel cartridge
Patent #: 4083306
Issued on: 04/11/1978
Inventor: Woodring

Shot wad column Patent #: 4220090
Issued on: 09/02/1980
Inventor: Fackler

Inventors

Application

No. 06/301444 filed on 09/11/1981

US Classes:

102/522, Base enclosed102/439, Projectile structure102/501PROJECTILES

Examiners

Primary: Tudor, Harold J.
Assistant: Davis, Tyrone

Attorney, Agent or Firm

International Classes

F42B 14/06 (20060101)
F42B 14/00 (20060101)

Abstract

A discarding sabot projectile for shotgun of unique construction whereby the separation of the projectile and sabot is enhanced by opposing air pressure and the unique construction of the sabot. The sabot as utilized herein comprises a plastic body firmly encompassing, but not completely encapsulating a subcaliber projectile. The plastic body includes a plurality of longitudinally extending slots forming symmetrical segments and further, segment having longitudinally extending grooves for reducing friction between the barrel bore and the sabot. The segments are further defined at the other end thereof by longitudinal tapered edges. The sabot, upon exiting the launching device begins to separate from the enclosed projectile beginning at the uppermost front end of the sabot as a result of air pressure flowing in the opposite direction of the sabot. The longitudinal segment radially separates and will spread outwardly and as a result, the segments act as an air brake reducing the forward speed of the speed of the sabot. This results in the separation of the sabot and projectile. The separation is such that it does not interfere with the trajectory and the velocity of the subcaliber projectile, hence, resulting in a longer and more accurate trajectory.

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