F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
189/13, 61/5.9
F16L 55/16 (2006.01)
Patent
CA 1239099
IMPROVED TELESCOPIC JOINT FOR REPAIRING UNDERWATER PIPELINES LAID AT GREAT DEPTH ABSTRACT A telescopic joint for repairing underwater pipelines laid at great depth in which an annular sheath of steel having a yield point of not more than one half that of the outer sleeve of the joint is welded onto its inner cylinder, to create with said inner cylinder an annular chamber or interspace, the cylinder-sheath assembly being guided in its telescopic sliding by an inner tube welded coaxially to the end of said sleeve. Said interspace is connected to an oil pump which with adequate pressure can cause the steel sheath to expand, to the extent that it yields.
488110
Bonfiglioli Giampaolo
Vinciguerra Costantino
Nuovopignone - Industrie Meccaniche E. Fonderia S.p.a.
Robic Robic & Associes/associates
Snam S.p.a.
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