Rolled joint system

Details Rolled joint system Rolled joint system

F - Mech Eng,Light,Heat,Weapons

16

L

285/64

F16L 13/00 (2006.01) B21D 39/04 (2006.01)

Patent

CA 1042944

ABSTRACT OF THE DISCLOSURE In a tubed vessel such as a calandria for a nuclear reactor the thin walls of the calandria tubes or the pressure tubes are secured to members such as end fittings by way of rolled joints wherein high axial strength and leak proof joining are achieved by rolling a surface of one member into engaging relation with a grooved mating surface of the other member, the interface between the two members being carefully sized to achieve a fit of substantially zero clearance therebetween upon assembly, so that upon rolling or otherwise swaging the joint together the residual tensile stresses in the tube member will minimal.

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