| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an FRP cryostat in which a metal joint member together with a flange member is passed through and mounted to a wall part, and generation of vacuum leak by various stresses can be prevented. <P>SOLUTION: In this FRP cryostat, an integrally formed article 24 comprising a metal flange member 13 fixed to a non-through screw hole 16 provided on the side face of an FRP disk-shaped member 14 from the external surface side by a fixing bolt 15 with a sealed structure formed by an adhesive layer 17, and a metal joint member 12 inserted in a straight hole 21 in the axial center part of the disk-shaped member 14 and an insertion hole in the metal flange member 13 and rigidly combined with the metal flange member 13 in a sealed state, is fixed by threaded attachment of a male screw on the outer peripheral side face of the disk-shaped member 14 and a female hole of a container wall part 11 of the FRP cryostat, and an adhesive structure having airtightness is formed by an adhesive layer 19 between the outer peripheral side face of the disk-shaped member 14 and the inner peripheral surface of the container wall part 11. <P>COPYRIGHT: (C)2012,JPO&INPIT |
