| 摘要 |
PROBLEM TO BE SOLVED: To provide a pipe joint structure in which a cap nut to be screwed is easily and smoothly rotated to compress an internal compression deformable sleeve.SOLUTION: An inner end surface 71 of a compression deformable sleeve 7 is formed into such a tapered shape that the surface is made finer toward its tip, a pressure receiving surface 65 formed into such a tapered shape that its diameter is gradually enlarged is formed in a joint body 1, and the compression deformable sleeve 7 is prevented from deforming radially outward.SELECTED DRAWING: Figure 1 |
