초록

A composite barrel for a firearm comprising a substantially metallic liner and fiber reinforced resin, in which the fiber reinforced resin is under compression.

대표청구항 ▼

[ We claim:] [1.] A small caliber gun barrel comprising:(a) a thermally expandable tubular liner having an outer surface, a breech end and a muzzle end defining a longitudinal axis, and an external retaining flange at each end of the liner, each said flange extending from the outer surface of the li

[ We claim:] [1.] A small caliber gun barrel comprising:(a) a thermally expandable tubular liner having an outer surface, a breech end and a muzzle end defining a longitudinal axis, and an external retaining flange at each end of the liner, each said flange extending from the outer surface of the liner at least about 15% of the wall thickness of the liner; and(b) at least one layer on the outer surface of the liner, each layer comprising cured resin and reinforcing fiber, wherein the fiber in the at least one layer is disposed in a substantially uniform angle of greater than 0.degree. and less than 90.degree. with respect to the longitudinal axis of the liner and the at least one layer is longitudinally compressed at a pressure of at least about 5 ksi.