| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a cartridge housing for an ion exchange resin that can secure sealability between a cap and a case while suppressing the enlargement of a cap. <P>SOLUTION: The cartridge housing includes the case 10 formed in cylindrical shape with one opening covered with a filter 13 and with the other opening opened, and the cap 20 formed in cylindrical shape with one opening opened and with the other opening covered with a filter 23. The cap 20 is fitted to the opening side of the case 10. The case 10 is formed with a protrusion 15 projected radially outward, on the outer peripheral surface of the end on the open side. The cap 20 is formed with a fitting hole 25 penetrating to fit the protrusion 15. A portion on the open side via the fitting hole 25 of the cap 20 is formed with low rigidity parts 30 lower in rigidity than a portion on the filter 23 side (an upper bottom part 22) via the fitting hole 25. <P>COPYRIGHT: (C)2012,JPO&INPIT |
