| 摘要 |
PROBLEM TO BE SOLVED: To provide an opening valve that can restrain extension or breakage of a thin part against impact, stress and the like during assembly of a vessel, especially stress applied in forming an integrated combination of a lid and a vessel body by caulking such as curling or laser bonding and the like, and to provide a lid body, a vessel body and a vessel that are equipped with such an opening valve. SOLUTION: An opening valve provided on a vessel has a thin part that is open when the specified pressure is applied, and a tilt part that couples the thin part and the vessel around the thin part and is tilted toward the vessel from the thin part, wherein the tilt part is thinner than the vessel. COPYRIGHT: (C)2009,JPO&INPIT |
