Wrapping machine band sealer

Claim 1

IN APPARATUS FOR SUPPLYING TO A WRAPPING MACHINE A WEB OF WRAPPING MATERIAL BONDED TO A STRIP OF THERMOPLASTIC-COATED MATERIAL, A DEVICE FOR APPLUYING A STRIP OF THERMOPLASTIC-COATED MATERIAL DIRECTLY TO A WEB OF WRAPPING MATERIAL COMPRISING A SUPPORT, A PAIR OF LATERALLY SPACED ARMS, MEANS PIVOTALLY CONNECTING ONE END OF EACH OF SAID ARIMS TO SAID SUPPORT, A GUIDE ROLLER ROATABLY SUPPORTED IN SAID ARMS ADJACENT SAID SUPPORT, A PRESSURE ROLLER ROTATABLY SUPPORTED IN THE FREE ENDS OF SAID ARMS, SAID ARMS BEING ADAPTED FOR SWINGING MOVEMENT TO MOVE SAID PRESSURE ROLLER INTO AND OUT OF OPERATIVE POSITIVE ADJACENT THE PERIPHERY OF THE WRAPPING MATERIAL SUPPLY ROLL, SAID PRESSURE ROLLER BEING ADAPTED TO BE DRIVEN IN OPERATIVE POSITION BY PERIPHERAL ENGAGEMENT WITH SAID WRAPPING MATERIAL SUPPLY ROLL, A HEATING PLATE SUPPORTED ON AND ABOVE ONE OF SAID ARMS AND EXTENDING ABOVE THE OTHER SAID ARMS, HEATING ELEMENTS FOR HEATING SUBSTANTIALLY THE ENTIRE SURFACE OF SAID PLATE, A THERMOSTATIC CONTROL TO SELECTIVELY CONTROL THE TEMPERATURE OF SAID PLATE, SAID STRIP OF THERMOPLASTIC-COATED MATERIAL BEING ADAPTED TO TRAVEL OVER SAID ROLLER AND BENEATH AND SPACED FROM HEATING PLATE TO ENERGIZE THE COATING ON THE FACE OF THE STRIP WHICH IS BANDED TO SAID WRAPPING MATERIAL WEB STHEREOF BY RADIANT HEAT WHEREBY SAID ENTIRE SURFACE OF SAID STRIP IS PRESSED INTO BONDING ENGAGEMENT WITH SAID WEB OF WRAAPPING MATERIAL BY SAID PRESSURE ROLLER WHEN IN OPERATIVE POSITION.