초록 ▼

A structure at a connection where at least two resin pipes are connected to each other end-to-end. The structure is characterized by annular resin body means provided on the inner periphery of the end of at least one of the resin pipes and having at least one end positioned in an annular recessed po

A structure at a connection where at least two resin pipes are connected to each other end-to-end. The structure is characterized by annular resin body means provided on the inner periphery of the end of at least one of the resin pipes and having at least one end positioned in an annular recessed portion formed in the inner periphery of said one resin pipe. Since the above-mentioned end (which is more subject to the action of internal fluid than the other end) is positioned in the annular recessed portion, the resin body means is not eroded by the internal fluid.

대표청구항 ▼

A pipe connection structure wherein one end of a first resin pipe is opposed to one end of a second resin pipe in direct face-to-face contact, the structure comprising an inwardly projecting annular connecting resin body bridging over the inner peripheries of the opposed ends of the first and second

A pipe connection structure wherein one end of a first resin pipe is opposed to one end of a second resin pipe in direct face-to-face contact, the structure comprising an inwardly projecting annular connecting resin body bridging over the inner peripheries of the opposed ends of the first and second pipes for connecting them together, and an annular reinforcing resin body at least partly covering the connecting resin body and having an end portion extending on the first pipe beyond one end of the connecting resin body, said end portion being received in an annular recess formed in the inner periphery of the first pipe.