Feed system for shaft furnaces
First Claim
1. A SYSTEM FOR FEEDING A SOLID CHARGE, WITH MINIMAL LOSS OF GAS, TO A SHAFT FURNACE HAVING AN UPPER RIM, AND A CENTRAL GAS OFFTAKE PIPE, SAID SYSTEM COMPRISING A CAP JOINING THE UPPER RIM TO THE OFFTAKE PIPE, A DISTRIBUTING PLATE ROTATABLY MOUNTED WITHIN THE FURNACE AND HAVING A CENTRAL APERTURE, A HOLLOW, CYLINDRICAL, VERTICALLY MOVABLE LOCKING MEMBER, AT LEAST THE LOWER PART OF WHICH IS WITHIN THE UPPER PART OF THE FURNACE, SAID LOCKING MEMBER PROVIDING CONDUIT MEANS LEADING FROM THE FURNACE TOWARD THE OUTLET AND DEFINING WITH SAID CAP AND SAID DISTRIBUTING PLATE AN OUTER CHARGE RECEIVING SPACE, MEANS FOR VERTICALLY MOVING SAID LOCKING MEMBER THEREBY TO PROVIDE A PASSAGE FROM SAID SPACE TO THE FURNACE AND MEANS FOR SUPPLYING A SOLID CHARGE TO SAID SPACE.
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Accused Products
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1 Claim
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1. A SYSTEM FOR FEEDING A SOLID CHARGE, WITH MINIMAL LOSS OF GAS, TO A SHAFT FURNACE HAVING AN UPPER RIM, AND A CENTRAL GAS OFFTAKE PIPE, SAID SYSTEM COMPRISING A CAP JOINING THE UPPER RIM TO THE OFFTAKE PIPE, A DISTRIBUTING PLATE ROTATABLY MOUNTED WITHIN THE FURNACE AND HAVING A CENTRAL APERTURE, A HOLLOW, CYLINDRICAL, VERTICALLY MOVABLE LOCKING MEMBER, AT LEAST THE LOWER PART OF WHICH IS WITHIN THE UPPER PART OF THE FURNACE, SAID LOCKING MEMBER PROVIDING CONDUIT MEANS LEADING FROM THE FURNACE TOWARD THE OUTLET AND DEFINING WITH SAID CAP AND SAID DISTRIBUTING PLATE AN OUTER CHARGE RECEIVING SPACE, MEANS FOR VERTICALLY MOVING SAID LOCKING MEMBER THEREBY TO PROVIDE A PASSAGE FROM SAID SPACE TO THE FURNACE AND MEANS FOR SUPPLYING A SOLID CHARGE TO SAID SPACE.
Specification
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Current AssigneeDieter Renkes, Georg Brinkmann
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Original AssigneeDieter Renkes, Georg Brinkmann
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InventorsDIETER RENKES, GEORG BRINKMANN
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Application NumberUS04/201,039Time in Patent Office739 DaysField of SearchUS Class Current414/171CPC Class CodesC21B 7/18 Bell-and-hopper arrangements
