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    • 7. 发明授权
    • Pre-stressed cartridge case
    • 预应力盒体
    • US5165040A
    • 1992-11-17
    • US812148
    • 1991-12-23
    • Norman H. AnderssonS. D. MackEdward W. LaRocca, deceased
    • Norman H. AnderssonS. D. MackEdward W. LaRocca, deceased
    • F42B5/29
    • F42B5/29
    • A pre-stressed cartridge of the invention generally comprises a cylindrical liner wrapped with a plurality of layers of wound fibers or high tensile wires. These high tension wrapped windings put the walls of the cartridge liner into compression, thus pre-stressing the cylindrical liner. A cartridge constructed in this fashion may develop an ultimate strength in the circumferential direction which approaches ten times the ultimate strength of a typical solid metal cylinder alone. Special reinforcing elements may also be provided, located at the points where the maximum stress is developed upon detonation. Various modifications of this structure include fabricating the liner out of ceramic instead of aluminum, incorporating a steel cup containing the explosive at the base of the internal space of the cartridge, and combining the composite windings with the steel cup to provide a cartridge consisting of a steel cup with the rest of the cartridge being composite fiber windings.
    • 本发明的预应力盒通常包括用多个卷绕的纤维或高拉伸线缠绕的圆柱形衬套。 这些高张力缠绕的绕组将筒衬的壁压缩,从而预应力圆柱形衬套。 以这种方式构造的筒可以在圆周方向上产生接近典型实心金属圆筒的极限强度的十倍的极限强度。 还可以提供特殊的加强元件,位于爆炸时产生最大应力的点。 该结构的各种修改包括用陶瓷代替铝制成衬套,在筒的内部空间的底部装入包含炸药的钢杯,并将复合绕组与钢杯组合,以提供由 钢杯与其余的墨盒是复合纤维绕组。