McDermott, Will & Emery
Lid mounting structure for pressure vessel
 A lid mounting structure for a pressure vessel for preventing a lid member 2 crimped to a curled portion 6 of an opening 5 of a vessel body 1 from being blown away by an abnormal rise of the internal pressure. A cut-away portion 8 or a through hole is formed in an outside wall of the curled portion 6, thereby locally reducing the elastic deformation resisting strength of the curled portion 6 with respect to expansion of the inside diameter of the opening to a level lower than that of the elastic deformation resisting strength of the lid member 2 in the inward radial direction. 
Osaka Shipbuilding Co., Ltd.
B B
B65D B65D
inventional inventional
Satoshi Tamao Takashi
Mekata Okabayashi Nakano