| 摘要 |
<p>1,247,872. Cartridges. TRW Inc. 3 Sept., 1968 [1 Sept., 1967], No. 41904/68. Heading F3A. A cartridge for use in weapons; nail, stud or stake drivers; slaughter guns; cable splicers; oil well perforators; and open chamber solid or liquid propellant pulse engines for space ship attitude control; comprises a cartridge case body 12 of yieldable, non-combustible material, e.g. synthetic plastics, having as cross-section an equilateral curvilinear triangle with convex sides, and side openings 14 between the longitudinal apex edges 44. The body is filled with a solid propellant which fills the side openings and is flush with the outer surfaces of the case, or with a loose grain propellant which is retained by a sheet of propellant. An end wall of the case is provided with a primer 16, Fig. 6. When the cartridge is intended for use in weapons, the other end wall is formed with an opening 50 in which the nose of a bullet 18 is positioned. A plastics obturating sleeve 52, Fig. 6, surrounds the bullet and has its forward end secured in the opening 50.</p> |
