Equipment for dwelling or working underwater Means for searching for underwater objects

BPERFORMING OPERATIONS TRANSPORTING B63Ships B63CLAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS LIFE-SAVING IN WATER EQUIPMENT FOR DWELLING OR WORKING UNDER WATER MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS

B63C11/00Equipment for dwelling or working underwater Means for searching for underwater objects

B63C11/02Divers' equipment B63C11/04Resilient suits B63C11/06with rigid helmet B63C11/08Control of air pressure within suit B63C11/10Rigid suits B63C11/12Diving masks B63C11/14with forced air supply B63C11/16with air supply by suction from diver B63C11/18Air supply B63C11/184Artificial gills B63C11/186Mouthpieces B63C11/20from water surface B63C11/202with forced air supply B63C11/205with air supply by suction from diver B63C11/207with hoses connected to a float B63C11/22carried by diver B63C11/2209First-stage regulators B63C11/2227Second-stage regulators B63C11/2236Functionally interdependent first/second-stage regulators B63C11/2245With provisions for connection to a buoyancy compensator B63C11/24in closed circulation B63C11/26Communication means B63C11/28Heating B63C11/30Ballast B63C11/32Decompression arrangements Exercise equipment B63C11/325chambers used for it B63C11/34Diving chambers or underwater vessels B63C11/36of closed type B63C11/38with entrance above water surface B63C11/40adapted to specific work B63C11/42with independent propulsion or direction control B63C11/44of open type B63C11/46Divers' sleds or like craft B63C11/48Means for searching for underwater objects B63C11/49Floating structures with underwater viewing devices B63C11/50using grapnels B63C11/52Tools specially adapted for working underwater, not otherwise provided for