CLAMP SYSTEM FOR CONNECTION AND PRE-SETTING OF FIRST PIPE AND SECOND PIPE Russian patent published in 2015 - IPC F16L23/04 

FIELD: machine building.

SUBSTANCE: invention relates to pipe joints. The system contains the clamp and the ring, at that the clamp has rim suitable for interaction with the supporting surfaces of the mutually connected pipes using its internal periphery, determining groove, and devices for rim tightening. The ring is secured to clamp by fasteners, and system additionally contains first devices of pre-installation to make actions, when the clamp is in untight state to secure the said clamp to the first pipe, when the supporting surface of the said first pipe engages in the groove. The clamp system additionally contains the second devices of pre-installation to perform actions when the clamp is secured to the first pipe by the first devices of pre-installation to secure the said clamp to the second pipe, when the supporting surface of the said second pipe also engages in the groove.

EFFECT: invention improves reliability of the connection, and simplifies its installation.

18 cl, 15 dwg