CONNECTION UNIT Russian patent published in 2012 - IPC F16L37/36 

FIELD: construction.

SUBSTANCE: connection unit comprises a nipple part and a connection part. The nipple part and/or the connection part comprises a locking element, which on the end section has a section for fixation in the pipe nozzle or in a stationary unit, and on the other end section it comprises stopping elements, and a nipple element or a connection element, where a locking element is inserted. On the locking element and the nipple element or the connection element there are stopping elements arranged, which in the fully inserted condition of the locking element into the nipple element or the connection element enter one into the other and fix axial engagement of both parts.

EFFECT: invention due to such connection between a locking element and a connection element or a nipple element may not weaken within time as a result of frequent connections and disconnections, therefore leaks in a connection unit area are eliminated.

11 cl, 8 dwg