method for sealing a projectile in a barrel

From the USPTO today a granted patent

http://patft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&u=%2Fnetahtml%2FPTO%2Fsearch-adv.htm&r=56&f=G&l=50&d=PTXT&p=1&p=2&S1=(20100615.PD.+AND+au.INCO.)&OS=isd/06/15/2010+and+icn/au&RS=(ISD/20100615+AND+ICN/au)

United States Patent 7,735,254
O'Dwyer
June 15, 2010

Projectile and method for sealing a projectile in a barrel

Abstract
A weapon (104) including a stock, a barrel assembly (105) slidably mounted on said stock whereby, on discharging said weapon, the barrel assembly (105) slidably recoils relative to said stock, and a damper (107) for decelerating the recoiling barrel assembly, wherein said barrel assembly (105) includes a plurality of projectiles axially disposed within a barrel (108) wherein each of said projectiles is associated with a discrete propellant charge for propelling said projectile from the barrel. Suitably the weapon further includes a breech block (109) which slidably recoils relative to said stock and a further damper (106) for decelerating the recoiling breech block.


Inventors: O'Dwyer; James Michael (Sinnamon Park, Queensland 4073, AU)