Pipe swivels

Claim 1

IN COMBINATION, A PIPE SWIVEL HAVING A PLURALITY OF THROUGHFLOWS, SAID SWIVEL COMPRISING AN INNER SWIVEL PORTION FORMED BY A VERTICAL CYLINDRICAL SHEET METAL SHELL OPEN AT BOTH ENDS AND HAVING A PLURALITY OF VERTICAL SLOTS THEREIN, AND A CORRESPONDING NUMBER OF CYLINDRICAL PIPES WITH A PIPE BEING WELDED INTO EACH SLOT AND HAVING THEIR UPPER ENDS AT SUBSTANTIALLY THE SAME LEVEL AND WHICH PIPES ARE CLOSED AT THEIR UPPER ENDS AND WHICH EXTEND DOWNWARD AND ARE ADAPTED TO BE CONNECTED WITH CONDUITS ON THE SEA BOTTOM, SAID PIPES EACH HAVING A PORTION OF THE PERIPHERY SITUATED OUTSIDE THE SHEET METAL SHELL AND HAVING AN OPENING IN SAID PORTION, THE OPENINGS IN THE RESPECTIVE PIPES BEING ON DIFFERENT LEVELS, AN OUTER SWIVEL PORTION FORMED BY A SECOND CYLINDRICAL SHEET METAL SHELL WHICH IS SPACED FROM AND ENCLOSES THE INNER PORTION AND HAVING A CORRESPONDING NUMBER OF HOSE CONNECTIONS AT LEVELS CORRESPONDING TO THE LEVELS OF THE OPENINGS IN THE PIPES, AND DECKS EXTENDING BETWEEN THE OUTER AND INNER SHELLS DIVIDING THE SPACE BETWEEN SAID SWIVEL PORTIONS INTO A CORRESPONDING NUMBER OF ANNULAR CHAMBERS EACH COMMUNICATING WITH ONE OF SAID PIPES THROUGH THE OPENING THEREOF AND WITH A HOSE CONNECTION ON THE OUTER SHEET METAL SHELL WHICH IS AT THE LEVEL OF THE ANNULAR CHAMBER, AND A FLOATING BODY ON THE TOP PORTION OF WHICH SAID PIPE SWIVEL IS MOUNTED, SAID FLOATING BODY AND SAID PIPE SWIVEL HAVING RELATIVE WEIGHTS SUCH THAT THE FLOATING BODY IS ADAPTED TO FLOAT WITH THE PIPE SWIVEL MAINTAINED IN A SUBSTANTIALLY UPRIGHT POSITION, WHEREBY WHEN THE CONDUITS ON THE SEA BOTTOM ARE CONNECTED TO A DEPOT ON THE SHORE, TANKERS CAN BE MOORED TO THE FLOATING BODY FOR LOADING AND UNLOADING AND CAN HAVE HOSES CONNECTED TO THE PIPE SWIVEL, AND THE TANKERS CAN SWING ABOUT THE FLOATING BODY UNDER THE INFLUENCE OF WIND AND TIDE WHILE THE SWIVEL ROTATES THE HOSE CONNECTION TO FOLLOW THE SWINGING OF THE TANKERS.