| 摘要 |
PROBLEM TO BE SOLVED: To provide a sealing device capable of enhancing sealing performance and suppressing breakage.SOLUTION: An annular outer peripheral protrusion 110 and cylindrical surfaces 111, 112 on both sides of the outer peripheral protrusion 110 are provided on an outer peripheral side, and an annular inner peripheral protrusion 120 and cylindrical surfaces 121, 122 on both sides of the inner peripheral protrusion 120 are provided on an inner peripheral side, and a protrusion height of the outer peripheral protrusion 110 is equal to a protrusion height of the inner peripheral protrusion 120, and the protrusion height of the outer peripheral protrusion 120 and the protrusion height of the inner peripheral protrusion 120 are set in a range of 0.2 mm or more and 0.4 mm or less.SELECTED DRAWING: Figure 3 |
