A cylindrical battery.

摘要

A battery comprising a cylindrical container (1) in which cell elements are enclosed in a known manner, said container having an intermediate portion (5) for accommodation of the cell elements and a sealing mouth portion (4) closed by a gasket member, the mouth portion of the container having a diameter smaller by at least a wall thickness of the intermediate portion of the container than a diameter of the intermediate portion of the container so as to assure sealing of the mouth portion for a leak proof of the electrolyte of the battery from the mouth portion.