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    • 71. 发明公开
    • A PROJECTILE BODY AND CORRESPONDING AMMUNITION ROUND FOR SMALL ARMS OR A LIGHT FIREARM
    • 小型武器或轻型火力弹的弹体和相应的弹药
    • EP3028001A1
    • 2016-06-08
    • EP14831444.6
    • 2014-07-25
    • Techventure Investments Pty Ltd
    • HARRISON, Dale
    • F42B10/32F42B3/24F42B14/02F42B5/18
    • F42B14/00F42B5/10F42B5/18F42B10/32F42B10/38F42B10/44F42B12/02F42B14/02F42C19/0823
    • A projectile (14) for an ammunition round (10) for use with a small arms or light firearm comprises an elongated projectile body (16). The projectile body (16) has first and second axially opposed ends (18, 20) respectively and a cavity (20) extending there between. The cavity is able to hold a quantity of propellant (24). A plurality of seals (26) extend about an outer surface of the body (16). The seals (26) protrude radially from the body (16) and operate to form a substantial seal against an inner circumferential surface of a barrel (12) of the firearm. Two of the seals (26b and 26c) are mutually adjacent and spaced apart in a direction of a longitudinal axis of the body to form a seal bound outer surface portion (36) of the body (16). One or more holes (38) are formed in the body (16) enabling fluid communication between the cavity (22) and the seal bound outer surface portion (36) of the body (16). This enables pressure equalisation inside and outside of the cavity (22) about the seal bound outer surface portion (36) when the projectile (14) is travelling through the barrel (12).
    • 与小型武器或轻型枪支一起使用的用于弹药轮(10)的射弹(14)包括细长抛射体(16)。 射弹体(16)分别具有第一和第二轴向相对的端部(18,20)和在其间延伸的空腔(20)。 腔体能够容纳一定量的推进剂(24)。 多个密封件(26)围绕主体(16)的外表面延伸。 密封件(26)从主体(16)径向地突出并且操作以形成抵靠枪支的枪管(12)的内圆周表面的基本密封。 两个密封件(26b和26c)彼此相邻并且在主体的纵向轴线的方向上间隔开以形成主体(16)的密封装订外表面部分(36)。 一个或多个孔(38)形成在主体(16)中,使得腔体(22)和主体(16)的密封界定的外表面部分(36)之间的流体连通成为可能。 当射弹(14)穿过筒体(12)时,这实现了腔体(22)内部和外部围绕密封装订外表面部分(36)的压力平衡。