Patent ID: 7000556

Claim:
A sealing device for sealing between a chain and a chain pipe, said chain for example being an anchor chain on a marine offshore platform or on a ship, and said chain pipe leading for example to a chain locker for onboard storage of the chain in said platform or ship, the sealing device comprising at least two opposing cover lids positioned at the mouth of the chain pipe, said cover lids being movably arranged from an open position into a closed position in which the cover lids abut each other and seal the chain pipe from water intrusion by sealingly engaging a chain link of the chain, the cover lids being provided -in mutual abutment sides thereof, with one or more recesses shaped in conformity with the contacting outer periphery of said chain link, wherein: the cover lids each exhibit at least one inflatable seal element, said seal element extending along a respective mutual abutment side of the cover lids and being adapted to expand upon pressurization with a fluid such as pressurized air, into a radial sealing engagement with the chain link, and the cover lids are attached to an extension collar of the chain pipe, said extension collar being movably arranged with respect to the rest of the chain pipe by means of a flexible interconnection collar mounted therebetween.