| 摘要 |
A pipe coupling device comprising a connector on the outside of which a locknut is screwed, which connector in turn comprises an inner housing that houses a sealing gasket and a cylindrical locking piece, the latter comprising a plurality of longitudinal grooves distributed along its circumference, forming a plurality of flaps; such flaps comprising a truncated cone shaped upper outer edge and a plurality of rows of inner ridges with edges extending throughout the inner diameter of the locking piece, wherein the locking piece additionally comprises at least one outer longitudinal lug that, once the locking piece is inserted into the inner housing, prevents rotation of the locking piece with regard to the connector. |
