Patent ID: 9638498
Date: 2017-05-02
CPC Classifications: F41A,F41B,F41H,F42B

Claim:
1. A cartridge comprising: a housing disposed in a launching device and including an internal space, a piercing member disposed at a rear end of the internal space, a channel through the piercing member to communicate the internal space with at least one projectile, a metal sleeve disposed at a front end of the space, at least one annular ridge formed on an outer surface of the sleeve, and internal threads formed on an inner surface of the metal sleeve wherein the sleeve and the piercing member are formed integrally in the housing in an injection molding; a high-pressure air canister disposed in the internal space and proximate the piercing member; a cap including two front through holes, external threads adjacent to the front through holes, an internal primer disposed between the front through holes, at least one spacer disposed between the primer and the air canister, and an annular projection disposed at an end of the internal space and configured to complimentarily secure to the piercing member wherein the cap is disposed in the sleeve with the external threads and the internal threads secured together; and a first washer sandwiched by and between the cap and the inner surface of the internal space.