| 摘要 |
<p>This invention relates to an ammunition cartridge that can extend the life of bullets and guarantee the performance of bullets by enhancing the insulation, convenience, and safety of the cartridge. The ammunition cartridge comprises: a first body that is open on one side and has a first space therein; a phase-change material (PCM) pack filled with PCM which is inserted into the first space; a first cover that opens and closes the first space; a second body that is open on one side, has a second space therein, and covers the first body with an interval from the first body; and a second cover that is combined with one side of the second body and opens and closes the second space.</p> |
