| 摘要 |
PROBLEM TO BE SOLVED: To seal between the inner peripheral face of a connection mating side passage member and the outer peripheral face of a pipe while allowing a slight movement in the axial direction of the pipe due to thermal expansion in a seal structure applied between the pipe interposed in a fluid passage and one passage member storing the tip of the pipe. SOLUTION: A step part positioning a seal member is formed on the inner peripheral part of the one passage member. The one end of the pipe is formed in a cylindrical shape spigot-jointed to the one passage member, and the other end comprises a flange for unmovably fixing the pipe to the other passage member. The seal member is installed between the inner peripheral face of the spigot-jointed part and the outer peripheral face of the pipe. The seal structure also comprises a holding fitting having a sloped surface pressing the seal member against the step part end face of the one passage member and the outer peripheral face of the pipe. COPYRIGHT: (C)2006,JPO&NCIPI
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