| 摘要 |
PROBLEM TO BE SOLVED: To provide a screw structure of a pipe joint capable of obtaining sufficient tightening torque even when made of resin, and preventing resin destruction due to excessive tightening of a screw, without increasing the number of components.SOLUTION: A pipe joint A has a tapered male screw part 1, and the tapered male screw part 1 is made of resin. The tapered male screw part 1 includes a screw body part 2, and a plurality of projections 3a discontinuously projecting from a screw root 21 of the screw body part along the screw root 21, and integrally formed with the screw body part 2. |
