PRESSURE CONTAINER, ACCUMULATOR, AND MANUFACTURING METHOD OF PRESSURE CONTAINER LID BODY

PROBLEM TO BE SOLVED: To prevent leaking of gas in a gas chamber in a pressure container. SOLUTION: The pressure container 10 is equipped with a bottomed cylindrical shell member 11, and a lid body 13 blocking an opening 12 of the shell member 11 and having an inflow hole allowing inflow and outflow of liquid with respect to a shell member 11 interior. A bellows mechanism 50 has a metal bellows 51 formed so as to freely expand and contract along a pressure container inner wall face 15a, and a partition plate 52 provided on the metal bellows 51 and moving along with the metal bellows 51 along the pressure container inner wall face 15a, and it partitions a pressure container 10 interior by the metal bellows 51 and the partition plate 52 into a liquid chamber L allowing inflow and outflow of the liquid and the gas chamber G capable of sealing gas. The lid body 13 is formed of a metal material wherein its inward and outward direction is crossed with a fiber direction F. COPYRIGHT: (C)2010,JPO&INPIT