| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To seal the liquid of a high pressure in the stem fitting hole of a condyle ball and to detect a defective condyle ball by performing total inspections. <P>SOLUTION: A sealing means has a first sealing part 33 disposed around a projection part 27 and arranged at the side end part of a parietal part 100a in a liquid pressure chamber 32 and a second sealing part 34 arranged on the side end part of a counter-parietal part 100b, and the first sealing part 33 and the second sealing part 34 respectively seal the part between the projection part 2 and a tapered inner peripheral surface 100d. The first and second sealing parts (33, 34)have ring-like metal seals (35a, 35b) and ring-like resin seals. The respective resin seals are arranged so as to face each other through the liquid pressure chamber 32, and the respective metal seals (35a, 35b) are arranged so as to be adjacent to the respective resin seals on the opposite side of the liquid pressure chamber 32. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
