Method for manufacturing a sleeve, and such a sleeve for...

Details Method for manufacturing a sleeve, and such a sleeve for... Method for manufacturing a sleeve, and such a sleeve for...

B - Operations, Transporting

21

D

285/62, 26/78

B21D 39/08 (2006.01) B21D 39/04 (2006.01) F16L 13/16 (2006.01)

Patent

CA 1249618

ABSTRACT OF THE DISCLOSURE: Method of manufacturing a sleeve adapted to be tightly jointed to a submarine pipe laid at great depth. The method comprises the steps of shaping the inner surface of the sleeve with a sequence of grooves and of toothings, and filling each groove of the sleeve with two half-rings made with a material which is practically indeformable or deformable to a practically negligible extent under normal pressures, but which collapses with a drastic reduction, greater than 70%, of its volume under high pressures of the order of 300 kg/cm2. And a sleeve manufactured by this method.

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