| 摘要 |
To provide a gasket (1) mounted in a mounting groove (13) formed in one of two mutually opposite members in contact with the bottom face (13a) of the groove (13) and the opposite face (12a) of the other of the two members without falling in the groove (13) and without increase of its filling rate and reaction force, the gasket (1) is provided on its side faces with protrusions (3) interfering with the side faces (13b) of the groove (13) to prevent falling, where the height of the upper portions of the protrusions (3) is more than 80% of the groove depth and is 70 to 95% of the gasket height, the height of the lower portions of the protrusions (3) is 40% or more of the gasket height, and the gasket (1) is used mainly as a waterproof seal for a mobile device.
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