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1. 发明授权

US3882776A Blast proof mines 失效
标题翻译：防爆矿
公开(公告)号：US3882776A
公开(公告)日：1975-05-13
申请号：US7819160
申请日：1960-12-23
申请人： US ARMY
发明人： CLEMENS JOHN EWART , JOHNSTONE BEN B , STROHMEYER HEINZ E
IPC分类号： F42C7/04 , F42B23/04
CPC分类号： F42C7/04
摘要： 1. In a mine adapted to be implanted in the soil, said mine including an explosive charge and a cavity therethrough; an upwardly biased active member slidably mounted in said cavity; a downwardly biased preventive pressure member slidably mounted in said cavity, said preventive pressure member having a greater area than said active member; a firing mechanism for exploding said mine mounted in said mine and adapted to be activated by said active member upon a downward pressure applied thereon, and said preventive pressure member acting upon an air blast above the soil to prevent said active member from activating said firing mechanism.
摘要翻译： 1.在适合植入土壤的矿山中，所述矿井包括爆炸物和穿过其中的空洞; 可滑动地安装在所述空腔中的向上偏置的有源构件; 一个向下偏压的预防压力构件可滑动地安装在所述空腔中，所述预防压力构件具有比所述活动构件更大的面积; 用于爆炸安装在所述矿井中的所述矿井并且适于在施加在其上的向下的压力上被所述有源构件激活的击发机构，并且所述预防压力构件作用在土壤上方的空气鼓风以防止所述活动构件启动所述击发机构。

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