| 摘要 |
FIELD: water supply systems. ^ SUBSTANCE: shaped section comprises housing with thread, sealing ring, pressing bushing, nut, and conical clamping ring with ring grooves made of ring teeth provided with cut throughout the length of the ring and without groove in the inner diameter for permitting the nut to be screwed in up to the stop and locking the pipe by means of teeth of the conical clamping ring. The sealing ring is flexible, and pressing bushing has no projections. ^ EFFECT: simplified structure and enhanced reliability. ^ 2 dwg |
