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    • 3. 发明公开
    • SPHERICAL ANNULAR SEAL MEMBER, AND METHOD FOR PRODUCING SAME
    • 瑞士联邦大学
    • EP2623822A4
    • 2017-03-01
    • EP11817501
    • 2011-07-07
    • OILES INDUSTRY CO LTD
    • KODA YASUHIKOTAKAHASHI MASANORIKAIDA HIDETOSHIKUROSE KOUHEIOKI EIJI
    • F16J15/12F01N13/08F01N13/18F16J15/10F16L27/053F16L27/06F16L27/073
    • F16J15/126F01N13/1827F16L27/053F16L27/073
    • A spherical annular seal member 39 includes a spherical annular base member 37 defmed by annular end faces 35 and 36, and an outer layer 38 formed integrally on the spherical annular base member 37. The spherical annular base member 37 includes a reinforcing member 5 made from a metal wire net and a heat-resistant material 6 containing compressed expanded graphite. The outer layer 38 is comprised of a base layer 46 which includes a reinforcing member 15 made from a metal wire net and compressed and a heat-resistant material 14 containing expanded graphite, compressed in such a manner as to fill meshes of the metal wire net of the reinforcing member 15, and having a surface 52 which forms an outer-layer intermediate layer surface 42 together with the surface 41 of the reinforcing member 15, and of a heated sliding layer 40 of a molten fluororesin composition formed on the base layer 46 at the outer-layer intermediate layer surface 42. The surface 44 of the outer layer 38 exposed to the outside is constituted by a smooth surface 45 of the heated sliding layer 40.
    • 球形环形密封件39包括由环形端面35和36定义的球形环形基座构件37和一体地形成在球形环形基座构件37上的外层38.球形环形基座构件37包括由 金属丝网和含有压缩膨胀石墨的耐热材料6。 外层38由基层46构成,基层46包括由金属丝网制成的加强构件15和压缩物,以及含有膨胀石墨的耐热材料14,以填充金属丝网网 ,并且具有与加强构件15的表面41一起形成外层中间层表面42的表面52和形成在基底层46上的熔融氟树脂组合物的加热的滑动层40 暴露在外侧的外层38的表面44由加热的滑动层40的光滑表面45构成。