Pre-molded AFT seal for discarding sabot projectiles

Details Pre-molded AFT seal for discarding sabot projectiles Pre-molded AFT seal for discarding sabot projectiles

1998-03-04

1999-10-05

Tudor, Harold J.

Ammunition and explosives

Projectiles

Composite

102532, F42B 1406

Patent

active

059628073

ABSTRACT:
The present invention is directed to a pre-molded aft seal for an armor piercing fin stabilized discarding sabot (APFSDS) projectile, comprising a plastic sleeve made from a material selected from the group consisting of thermoplastic polyurethane and thermoplastic polyester elastomer, and effective to seal an APFSDS projectile from combustion products, the plastic aft sleeve further comprising an outwardly flanged first portion having a radius of curvature of from about 0.1 to 5 inches; a constantly decreasing diameter second portion; and an inwardly flanged substantially conical third portion connected to the second portion by a curved portion having a radius of curvature of from about 0 to 0.25 inch.

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