| 摘要 |
PROBLEM TO BE SOLVED: To suppress cracking of a collar fixed to a joint base.SOLUTION: A pipe joint 10 has a joint base 12, and a resin collar 14. The joint base 12 includes a cylindrical base cylinder portion 30 extended toward the other side in the axial direction, a locking projection 31 projecting from an outer peripheral face of the base cylinder portion 30 toward a radial outer side, and an inner cylinder 32 extended from an end face of the base cylinder portion 30 and having a diameter smaller than the base cylinder portion 30. The resin collar 14 includes a first cylindrical portion 44 externally mounted on the base cylinder portion 30, and a second cylindrical portion 46 axially extended from the first cylindrical portion 44, having an inner diameter larger than an inner diameter of the first cylindrical portion 44, defining an annular space to which a pipe is inserted, with the inner cylinder 32, and defining a step portion 48 engaged with the locking projection 31, with the first cylindrical portion 44. The step portion 48 has a slant face S3 connecting an inner peripheral face S1 of the first cylindrical portion 44 and an inner peripheral face S2 of the second cylindrical portion 46. |
