NON-DETACHABLE CONNECTION OF HIGH PRESSURE HOSES Russian patent published in 2015 - IPC F16L33/00 

FIELD: machine building.

SUBSTANCE: flexible pipeline contains sealing layer with embedded metal tips and power reinforcement layer on the elastomer binding substance. In the sealing layer by pouring the metal tips are embedded. The union with ring spring grooves and sleeve being cartridge case without bottom out of two cylinders, large and small, internal diameter of the large cylinder exceeds diameter of the ring grooves of the union, and small cylinder has internal diameter equal to bore diameter of the pipeline. The sleeve by large cylinder looks on the union, and is installed on the union with clearance, clearance between the union, sleeve and above the sleeve fills the sealing layer. The crimping element is made on the elastomer binding substance with the union axial securing in the hose.

EFFECT: complete tightness and increased reliability of end joint.

2 cl, 2 dwg