This innovation occurred during the napoleonic wars, largely in response to military exigencies, and is generally associated with nicolas appert, yet another figure unrecognized today except by historians of technology 这项发明源于拿破仑战争,主要是为应急于军事紧急状况,由尼古拉斯阿佩特所完成。但在技术史领域之外,阿佩特至今尚未被人赏识。