AXIAL COMPRESSION JOINTING DEVICE Russian patent published in 2015 - IPC B23P19/27 

FIELD: machine building.

SUBSTANCE: group of inventions relates to the field of connection jointing of pipes and branch pipes used in fluid medium applications, by axial compression jointing of fittings. The device for axial compression jointing of fittings includes the housing with the internal surface and the first yoke, the plunger with the depressed part with partially threaded internal surface, the piston with the second yoke, the spring inserted into the spring retainer, the piston rod with the spring retainer and the thread part screwed into the threaded part of the internal surface of the plunger. The bearings are made from a composite material, armoured with graphitic fibres, and joined with the plunger and piston rod and contact with a possibility of sliding in axial direction on the internal surface of the housing. The group of inventions includes also the fitting compression jointing system, which comprises the named device, and method of assembly of the named fitting compression jointing device.

EFFECT: decrease of weight and overall dimensions of the fitting compression jointing is ensured.

20 cl, 7 dwg