Movement control of strip material

Claim 1

IN A METAL STRIP PROCESSING LINE, THE SEQUENCE OF A ROLLING MILL, AND APPARATUS FOR SUPPORTING AND GUIDING ROLLED STRIP MATERIAL ALONG A PREDETERMINED PATH ON EXIT FROM THE MILL, WHICH APPARATUS COMPRISES: FIRST AND SECOND COVER PLATES RESPECTIVELY LOCATED ON OPPOSITE SIDES OF SAID PATH IN MUTUALLY FACING DISPOSITION, A PAIR OF FIRST ELONGATE AIR DISCHARGE BOX UNITS INDIVDUALLY DISPOSED PARALLEL TO SAID PATH BETWEEN THE DIFFERENT SIDE EDGES THEREOF AND THE CORRESPONDING SIDE EDGES OF SAID FIRST COVER PLATE TO DEFINE WITH SUCH PLATE A FIRST AIR ENCLOSURE ON ONE SIDE OF SAID PATH, A PAIR OF SECOND ELONGATE AIR DISCHARGE BOX UNITS INDIVIDUALLY DISPOSED PARALLEL TO SAID PATH BETWEEN THE DIFFERENT SIDE EDGES THEREOF AND THE CORRESPONDING SIDE EDGES OF SAID SECOND COVER PLATE TO DEFINE WITH SUCH PLATE A SECOND AIR ENCLOSURE ON THE OTHER SIDE OF SAID PATH, SAID FIRST AND SECOND BOX UNITS EACH HAVING AIR SUPPLY INLETS AND HAVING AIR DISCHARGE OUTLETS FACING INWARDLY OF THEIR RESPECTIVE AIR ENCLOSURES, SPACING MEMBERS INTERCONNECTING CORRESPONDING ONES OF SAID FIRST AND SECOND BOX UNITS, FIRST AND SECOND WATER SUPPLY MANIFOLDS CONNECTED TRANSVERSE SAID PATH TO RESPECTIVE ONES OF SAID COVER PLATES, AND FIRST AND SECOND PLURALITIES OF NOZZLES CONNECTED TO RESPECTIVE ONE OF SAID FIRST AND SECOND MANIFOLDS, BEING DISPOSED WITHIN RESPECTIVE ONES OF SAID FIRST AND SECOND AIR ENCLOSURES, AND BEING INCLINED TOWARDS SAID PATH AND AWAY FROM SAID MILL.