Scrap charging

Claim 1

A SCRAP CHARGING INSTALLATION FOR FEEDING SCRAP MATERIAL DOWNWARDLY FROM AN OVERHEAD-ALIGNED POSITION INTO AN OPEN MOUTH PORTION OF FURNACE VESSEL WHICH COMPRISES, A LOWER LEVEL SCRAP COLLECTING, WEIGHING AND STORAGE AREA; A GROUP OF SCRAP-MATERIAL-RECEIVING BOXES IN SAID AREA, MEANS FOR FILLING SAID SCRAP BOXES WITH MEASURED QUANTITIES OF SCRAP MATERIAL, EACH OF SAID SCRAP BOXES HAVING AN END DELIVERY PORTION FOR SCRAP MATERIAL CARRIED THEREBY, MEANS IN SAID AREA FOR POSITIONING FILLED SCRAP BOXES READY FOR INDIVIDUAL LIFTING MOVEMENT, A GROUP OF LONGITUDINALLY-SPACED-APART OPEN-MOUTH FURNACE VESSELS OPERATIVELY POSITIONED LONGITUDINALLY TO ONE SIDE OF SAID AREA, AN OVERHEAD RUNWAY EXTENDING LONGITUDINALLY ABOVE AND BEYOND OPPOSITE SIDES OF THE VESSELS, A PAIR OF SELFPROPELLING CHARGING MACHINES OPERATIVELY MOUNTED FOR MOVEMENT ALONG SAID RUNWAY INDIVIDUALLY INTO AND OUT OF AN OVERHEAD ALIGNED POSITION WITH EACH OF THE VESSELS, A TILT CRADLE CARRIED BY EACH OF SAID MACHINES TO RECEIVE A FILLED SCRAP BOX THEREIN, AN OVERHEAD LIFTING MEANS FOR ENGAGING A READY-POSITIONED FILLED SCRAP BOX AND SUPPORTING IT IN A HORIZONTALLY-LEVEL POSITION WHILE RAISING IT ABOVE THE VESSELS AND LOWERING IT INTO THE TILT CRADLE OF ONE OF SAID MACHINES, AND MEANS ON EACH OF SAID MACHINES FOR TILTING SAID CRADLE AND A FILLED SCRAP BOX CARRIED THEREBY TO DISCHARGE SCRAP MATERIAL FROM THE END DELIVERY PORTION OF THE SCRAP BOX INTO ONE OF THE VESSELS WHEN THE MACHINE HAS BEEN MOVED ON SAID RUNWAY TO AN ALIGNED POSITION THEREABOVE.