| 摘要 |
A threaded pipe joint coupling with wire lock system made of polyvinyl chloride comprising two pipe joining components (19,20), two sealing rings (13,22), including a wire lock (39), said wire lock (39) being inserted into a groove (12,42) which locks the coupling (20) and the end of one pipe joint, said coupling joining both ends of the pipes using threads, said threads (3, 14), made in the form of squares and said sealing rings (22) are fixed to both ends of the pipes (19) and the coupling (20).
|
