| 摘要 |
A sealing device having a metallic ring (2) is provided in which, even when the degree of flatness of a pressing part (5) or a flange part (6) of the metallic ring (2) is not strictly regulated, the radial-direction position where the part (5) or (6) is in contact with a mating member (11) can be stabilized and the circumferential-direction distribution of pressure on the mating material (11) can be stabilized. The sealing device comprises a metallic ring (2) and a sealing part, e.g., a packing, wherein the metallic ring (2) has an annular pressing part (5) which has a given radial-direction width and presses the mating material (11) when the metallic ring (2) shifts in the axial direction. The pressing part (5) has a pressing surface (7) which has been formed so as to have an arc-form or wavy section projecting toward the mating member (11). The pressing part (5) comprises a flange part (6) projecting outward and integrally molded with the edge of a cylindrical part (4) of the metallic ring (2). The flange part (6) has a smaller wall thickness than the cylindrical part (4), and has been formed so as to have an arc-form or wavy section and hence have spring properties.
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