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Invention Grant
US08408557B2 Seal arrangement and a method of repairing a seal arrangement 有权
密封装置和修理密封装置的方法

Seal arrangement and a method of repairing a seal arrangement
Abstract:
The seal arrangement (154) is arranged between the casing portions (50,52) and a fluoropolymer O-ring seal (72) is positioned between the casing portions (50,52). A first protecting member (156) is positioned between the fluoropolymer O-ring seal (72) and the casing portion (50) and the first protecting member (156) consists of a polymer and hydroxyapatite. The first protecting member (156) consists of 50 to 80 wt % polymer and 20 to 50 wt % hydroxyapatite and incidental impurities. The first protecting member (156) is located in an annular groove (70) and is thus arranged between the casing portion (50) and the fluoropolymer O-ring seal (72). The first protecting member (156) is substantially U-shaped in cross-section and the fluoropolymer O-ring seal (72) is positioned between the legs of the U-shaped cross-section first protecting member (156). The first protecting member (156) prevents corrosion of the casing portion (50) by the fluoropolymer O-ring seal (72).
Abstract(Chinese):

密封装置（154）布置在壳体部分（50,52）之间，并且氟聚合物O形环密封件（72）位于壳体部分（50,52）之间。 第一保护构件（156）位于氟聚合物O形环密封件（72）和壳体部分（50）之间，并且第一保护构件（156）由聚合物和羟基磷灰石组成。 第一保护构件（156）由50至80重量％的聚合物和20至50重量％的羟基磷灰石和附带的杂质组成。 第一保护构件（156）位于环形槽（70）中，并且因此布置在壳体部分（50）和氟聚合物O形环密封件（72）之间。 第一保护构件（156）的横截面为大致U形，氟聚合物O形环密封件（72）位于U形横截面第一保护构件（156）的腿之间。 第一保护构件（156）通过含氟聚合物O形环密封件（72）防止壳体部分（50）的腐蚀。

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