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    • 10. 发明授权
    • Explosive fragmentation devices with coiled wire progressively varied
    • 具有卷绕线的爆炸碎片装置逐渐变化
    • US4398467A
    • 1983-08-16
    • US213755
    • 1980-12-05
    • John W. Leigh
    • John W. Leigh
    • F42B12/26F42B13/18
    • F42B12/26
    • An explosive fragmentation device such as a grenade or a mortar bomb has a casing formed from flat sided notched wire formed into a coil. Instead of coiling the wire so that sides of the coiled wire which are adjacent after coiling lie normal to the longitudinal axis of the coil, as in a known form of grenade body, the wire is given additionally a twist about its own longitudinal axis during coiling, so that the adjacent flat faces of adjacent turns are substantially normal to the surface of the finished casing. In this way adjacent turns overlay one another, preferably completely, and the outer surface of the casing can then be smooth. Also, adjacent turns can then be bonded together as by brazing or soldering, which is impractical with coiling "normal to the axis". This means explosive cannot be trapped between adjacent turns to be accidentally detonated, an outer casing is unnecessary, and the casing is stronger.
    • 诸如手榴弹或迫击炮的爆炸性破碎装置具有由形成为线圈的扁平切口线形成的壳体。 代替卷绕线,使卷绕之后相邻的卷绕线的侧面垂直于线圈的纵向轴线,如在已知形式的手榴弹体中一样,在卷绕期间,线被附加地绕其自身的纵向轴线施加扭曲 使得相邻匝的相邻平面基本上垂直于成品壳体的表面。 以这种方式相邻的匝彼此重叠,最好是完全覆盖,然后壳体的外表面可以是平滑的。 此外,相邻的匝可以通过钎焊或焊接粘合在一起,这在“垂直于轴线”的情况下是不切实际的。 这意味着爆炸物不能被夹在相邻的匝之间被意外引爆,外壳不需要,外壳更坚固。