Tube Attachment/Detachment Member For Pipe Joint, Pipe Joint, And Pipe Joint Assembly Method

Abstract: The present invention simplifies assembly work for a pipe joint comprising a tube attachment/detachment member. A tube attachment/detachment member 100 comprises: a lock ring 10 which is formed so that a tube 1 can be inserted therein and holds the inserted tube 1; a release ring 20 which causes the lock ring 10 to release the holding of the tube 1; a cap 30 which accommodates the lock ring 10 and the release ring 20; and a back ring 40 which limits movements of the lock ring 10 and the release ring 20, wherein the back ring 40 is provided inside the cap 30, and the cap 30 is formed so that an outer periphery of a body 2 can be fitted therein.

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