| 摘要 |
PROBLEM TO BE SOLVED: To shorten the time required to open and close a lid of a pressure vessel by simplifying the opening and closing. SOLUTION: The pressure vessel 12 comprises a vessel main body 32 having a closed one end of a nearly circular cylinder, and the lid 34 to seal the opening of the vessel main body by being fitted in the cylinder inside of an end at the opening side of the vessel main body 12. The lid 34 is locked with two pins 36 to lock the lid by penetrating the vessel main body and the lid, keeping from the central portion of the lid in the surface intersecting the axis line of the nearly circular cylinder of the vessel main body. COPYRIGHT: (C)2008,JPO&INPIT
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