| 摘要 |
A piping joint device for connecting a first piping member having a male joint and a second piping member having a female joint includes: a piping joint member provided with a plurality of diametrically deformable engagement portions; and a plurality of window portions provided in an extension cylinder portion of the second piping member to be engaged with the engagement portions. The male joint of the first piping member is inserted into the female joint of the second piping member in one touch by using deformation of the engagement portions, and a detent portion is provided at an engagement position where the engagement portions engage with the first piping member to prevent a rotation.
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