PIPE COUPLING Russian patent published in 2005 - IPC

FIELD: pipeline engineering.

SUBSTANCE: pipe coupling has housing. The housing is provided with the central opening which extends along the central axis of the housing and receives the ends of two adjacent pipes. The locking mechanism for locking pipe in the coupling mounted at each end of the housing has a ring chamber. The ring chamber is provided inside the housing. The locking mechanism has inlet port for supplying fluid into the chamber and outlet port for discharging the fluid from the chamber. The ring seal is made for permitting movement in the ring chamber along the axis of the housing. At least one locking member is interposed between the ring seal and cams for locking the cams on the pipe ends mounted inside the housing. The locking member comprises inclined internal surface which is made for permitting cooperation with the corresponding outer surface at least on one cam.

EFFECT: simplified assembling.

9 dwg