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    • 33. 发明授权
    • Cartridge
    • US09797695B2
    • 2017-10-24
    • US15031464
    • 2014-10-24
    • RUAG Ammotec GmbH
    • Stephan Gelfert
    • F42B5/26F42B5/067F42B5/02F42B14/02
    • F42B5/067F42B5/025F42B14/02
    • The invention relates to a cartridge having a projectile, and a case which is mounted on the projectile from behind and which has a case mouth at the front end, wherein the projectile has a tip, and at the rear this tip merges into a circumferential front guide band which defines the outside diameter of the projectile, and directly adjoining this front guide band in the direction of the projectile base, a circumferential case mouth receiving space which extends in the axial direction of the projectile and in which the case mouth engages is situated in the projectile. In order to reduce the twistless freebore to a minimum and build up the gas pressure early during firing, it is proposed that an exposed portion of the case mouth receiving space extending in the axial direction of the projectile is situated between the front guide band and the case mouth; i.e., the case mouth does not completely fill the case mouth receiving space in the direction of the nose of the projectile.
    • 37. 发明申请
    • Projectile and Mold to Cast Projectile
    • 射弹和模具铸造弹药
    • US20150226531A1
    • 2015-08-13
    • US14289354
    • 2014-05-28
    • RA BRANDS, L.L.C.
    • Robert Silvers
    • F42B5/28B22C9/06F42B33/00
    • F42B5/28B22C9/06B22C9/22F41A9/70F42B5/067F42B12/02F42B14/02F42B33/00F42B33/001
    • This disclosure relates generally to a bullet having a first or proximal end, a second or distal end, and a curved circumferential feature formed between the proximal and distal ends of the bullet. The proximal end comprises a large meplat and a circumferential guidance feature. The circumferential guidance feature is configured to be operable with the rib of an ammunition magazine to help prevent binding and allow for normal alignment in the ammunition magazine. As a result, the bullet has more stability within the ammunition magazine, higher potential accuracy, and ability to have longer and heavier projectiles. The bullet further can be cast in a mold to form the bullet with the desired shape, including the circumferential guidance feature formed therein.
    • 本公开总体上涉及具有第一或近端,第二或远端以及形成在子弹的近端和远端之间的弯曲圆周特征的子弹。 近端包括一个大的米和一个圆周引导特征。 圆周引导特征被配置为可与弹药盒的肋部一起操作,以帮助防止装订并允许弹药盒中的正常对准。 因此,子弹在弹药杂志中具有更多的稳定性,更高的潜在准确性以及具有更长和更长的射弹的能力。 子弹还可以在模具中铸造以形成具有期望形状的子弹,包括其中形成的周向引导特征。
    • 40. 发明申请
    • BULLET WITH CHAMBER SEALING STRUCTURE AND AMMUNITION COMPRISING SAME
    • 带有密封结构和弹性包装的BULLET
    • US20130167747A1
    • 2013-07-04
    • US13655605
    • 2012-10-19
    • ENGEL BALLISTIC RESEARCH INC.
    • Chris LuchiniJohn Whitworth Engel
    • F42B14/02F42B5/067
    • F42B14/02F42B5/067
    • A round of ammunition for use in a 5.56 NATO-specification chamber comprises a cartridge casing and a bullet having a casing engaging segment, a sealing band and a groove. The sealing band encircles the casing engaging segment. The casing engagement segment of the bullet is engaged within a bullet receiving opening of the cartridge casing with a rear surface of the sealing band abutting a front edge of the cartridge casing. The groove encircles the casing engagement segment. A rear portion of the sealing band intersects a front portion of the groove. A front face of the sealing band is substantially flat. An angle of the front face of the sealing band is approximately the same as an angle of a neck-to-throat transition portion of the 5.56 NATO-specification chamber.
    • 用于5.56北约规范舱室的一轮弹药包括一个筒体和一个具有壳体接合段,一个密封带和一个槽的子弹。 密封带环绕套管接合段。 子弹的壳体接合部分接合在盒壳体的子弹接收开口内,密封带的后表面邻接盒壳体的前边缘。 凹槽环绕套管接合段。 密封带的后部与槽的前部相交。 密封带的前表面基本上是平的。 密封带的前表面的角度与5.56 NATO规格室的颈部至喉部过渡部分的角度大致相同。