| 摘要 |
PROBLEM TO BE SOLVED: To provide a vacuum vessel which is lightweight, requires a less material cost, can be produced comparatively easily and can be handled easily during transportation. SOLUTION: The vacuum vessel includes: a pair of bent members formed by bending two metal plates and connected to each other to form a closed space inside; one looped seal member which seals connecting portions of the pair of bent members; a structure arranged in the closed space to abut on an inner surface of the bent member; and a fastening member which connects the connecting portions of the pair of bent members. COPYRIGHT: (C)2010,JPO&INPIT |
