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    • 9. 发明公开
    • SEALING DEVICE
    • EP4191097A1
    • 2023-06-07
    • EP21851100.4
    • 2021-06-14
    • NOK Corporation
    • KAMIYA YusukeHAMAMOTO Kokichi
    • F16J15/3204F16J15/3248
    • It is made possible to suppress conductive performance from being affected by usage conditions and usage time, suppress reduction in sealing performance, reduce sliding resistance, and further improve the conductive performance.
      A sealing device (1) includes a reinforcing ring (10), an elastic body portion (20), a conductive grease (G), and a conductive fabric (30) in an annular shape. The elastic body portion (20) includes a dust lip (21) and a seal lip (22). The seal lip (22) includes a lip contact surface (24) that is a surface in a tubular shape formed to be able to contact the shaft. The conductive fabric (30) includes an inner periphery side contact portion (31) in an annular shape formed to be able to contact the shaft, and an outer periphery side contact portion (32) in an annular shape that is formed to be able to contact the outer periphery side member. The conductive grease (G) is provided to be present on at least a part of the lip contact surface (24) and at least a part of the seal lip (22) and in a space (S) between lips.