To provide a closing structure of a pressure-resistant container by which both airtightness and pressure resistance are enhanced.SOLUTION: A closing structure of a pressure-resistant container 10 where the opening of a metal cylindrical container is closed with a metal closing member 13 has: the closing member 13 inserted into the inside of the opening of the cylindrical container; an annular deformation part 15 deformed so that a peripheral wall part 12 at the opening part side of the cylindrical container is brought into contact with the corner part 14 of the closing member 13; and a weld zone 17 where the corner part 14 of the closing member 13 and the contact part of the annular deformation part 15 are welded from the outside.SELECTED DRAWING: Figure 1
【課題】密性と耐圧性の両方が高められた耐圧容器の閉塞構造の提供。【解決手段】金属製の筒状容器の開口部が金属製の閉塞部材13で閉塞された耐圧容器10の閉塞構造であって、筒状容器の開口部の内側に挿入された閉塞部材13と、筒状容器の開口部側の周壁部12が、閉塞部材13の角部14に当接されるように変形された環状変形部15と、閉塞部材13の角部14と環状変形部15の接触部分が外側から溶接された溶接部17を有しているもの。【選択図】図1
PRESSURE-RESISTANT CONTAINER
耐圧容器
2019-01-10
Patent
Electronic Resource
Japanese
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