| 摘要 |
PROBLEM TO BE SOLVED: To provide a pipe joint in which pulsation crack hardly occurs in a water supply pipe joint made of synthetic resin for water service in particular to which inner pressure is applied. SOLUTION: This pipe joint 1 made of synthetic resin manufactured by injection molding includes at least a pair of socket portions 21, 22 into which a pipe is inserted. A weld line 31 generated upon the injection molding is formed into the socket portion 21. The weld line 31 is formed near a center of an insertion direction D1 of an overlapping portion 23 with the pipe inserted into the socket portion 21. A gate position 41 upon the injection molding is opposed to a disposal planned location of the weld line 31 in the circumferential direction and is arranged corresponding to the center of the insertion direction D1 of the overlapping portion 23. COPYRIGHT: (C)2010,JPO&INPIT
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