A subsea cutting tool 1 and a blade (11, figure 2) therefor are provided primarily but not exclusively for use in severing umbilicals, hydraulic hoses, tethers, moorings, towing lines and the like in emergency situations. The tool comprises a body 2 defining a cutting aperture 5 and at least one guide channel (7, figure 2) for the blade. An anvil 6 is retained by the body and the blade is moveable along the guide channel to contact the anvil. The blade is comprised of stainless steel with a carbon-based coating. The coating is preferably a layer of diamond-like carbon (DLC) and the stainless steel is preferably a plastic mould steel that is alloyed with nitrogen.
A subsea cutting tool and a blade therefor
2016-02-03
Patent
Elektronische Ressource
Englisch