| 摘要 |
PURPOSE:To improve sealing ability, by a method wherein a material, formed such that press deformation becomes gradually difficult to make as a separate distance between the material and the bolt fastening portion side is increased, is located between the deck faces of members to be joined, and the bolt is deformed by a bolt fastening force. CONSTITUTION:A material 12 is formed such that, as a separate distance between the material and a bolt fastening portion 8 of a member to be joined is increased, press deformation becomes difficult to make, the material 12 is located between the deck faces of members 14 and 16 to be joined, and the material 12 is deformed by means of a bolt fastening force. This constitution produces a space coincided with the whole of a gap between the deck faces of the members 14 and 16 to be joined, resulting in the possibility to compensate for the whole gap between the deck faces and improve sealing ability.
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