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    • 3. 发明授权
    • Ammunition using non-toxic metals and binders
    • 弹药使用无毒金属和粘合剂
    • US06551375B2
    • 2003-04-22
    • US09800167
    • 2001-03-06
    • David Richard SiddleJoseph Matthew TauberFrancois-Charles Henri Dary
    • David Richard SiddleJoseph Matthew TauberFrancois-Charles Henri Dary
    • B22F302
    • C22C27/04B22F1/0003C22C1/045C22C23/04C22C38/12F42B7/046F42B12/74
    • Tungsten powder is mixed with a second powder metal and a binder to be used as small arms projectiles and shot pellets for use in shot guns which is cost effective to produce and which can perform ballistically. Ballistic performance equal to or superior to that of lead would be offered by a material having a specific gravity equal to or greater than lead. The non-toxic projectiles are manufactured in a cost-effective process; yet still produces projectiles and shot pellets that can perform ballistically. This projectile composition can perform substantially as well as lead and lead alloys or better without the need to fabricate the composition from a high temperature molten state which requires large amounts of energy input. In one particular embodiment of the invention, the tungsten powder is blended with iron powder and Portland Cement for constructing projectiles. The tungsten, iron and Portland Cement (W/Fe Portland cement) shot provides a satisfactory substitute for lead shot.
    • 钨粉与第二粉末金属和粘合剂混合,用作小武器弹丸和用于枪炮的射击丸,其成本有效并且可以弹道地执行。 等于或高于铅的弹道性能将由具有等于或大于铅的比重的材料提供。 无毒弹药是以成本有效的方式制造的; 但仍然产生可以弹道演奏的射弹和射击球。 该抛射体组合物可以基本上执行铅和铅合金或更好地执行,而不需要从需要大量能量输入的高温熔融状态制造组合物。 在本发明的一个具体实施方案中,将钨粉与铁粉和波特兰水泥混合以制造抛射体。 钨,铁和波特兰水泥(W / Fe波特兰水泥)射击提供了令人满意的铅球替代品。