Device for producing windowed packages

Claim 1

IN A MACHINE FOR PROVIDING A CONTAINER BLANK WITH A WINDOW, IN COMBINATION, A CONVEYOR MEANS FOR CONVEYING ALONG THE GIVEN PATH A CONTAINER BLANK WHICH IS TO BE PROVIDED WITH A WINDOW; A BATH LOCATED OVER SAID CONVEYER MEANS AND ADAPTED TO CONTAIN GLUE; A TRANSFER ROLL COOPERATING WITH SAID BATH FOR TRANSFERRING A LAYER OF GLUE THEREFROM; A ROTARY DIE CARRIER LOCATED ADJACENT SAID TRANSFER ROLL AND CARRYING A DIE TO RECEIVE GLUE FROM SAID TRANSFER ROLL, SAID DIE BEING ENDLESS AND CORRESPONDING TO AN ENDLESS AREA OF THE BLANK WHICH IS LOCATED ADJACENT AND SURROUNDS THE PART THEREOF WHICH IS TO RECEIVE THE WINDOW; MEANS COOPERATING WITH SAID DIE CARRIER FOR TURNING THE SAME THROUGH ONLY ONE REVOLUTION DURING MOVEMENT OF SAID BLANK ALONG SAID PATH AND IN TIMED RELATION TO THE MOVEMENT OF THE BLANK TO APPLY THE GLUE THERETO FROM THE DIE ALONG SAID ENDLESS AREA OF THE BLANK; A PLURALITY OF FEED ROLLS LOCATED ALONG SAID PATH SUBSEQUENT TO SAID DIE CARRIER FOR FEEDING TO THE BLANK A SHEET OF WINDOW MATERIAL; MEANS COOPERATING WITH SAID PLURALITY OF FEED ROLLS AND MOVEABLE BETWEEN A STARTING POSITION FOR STARTING THE FEEDING OF A SHEET OF WINDOW MATERIAL TO THE ROLLS TO BE FED THEREBY AND AN END POSITION WHERE SAID LAST-MENTIONED MEANS CUTS THE SHEET AND TERMINATES THE FEEDING THEREOF TO THE FEED ROLLS, SAID MEANS WHICH STARTS THE FEEDING OF THE SHEET AND CUTS THE SHEET PROVIDING A SHEET TO SAID FEED ROLLS WHICH WILL HAVE A LEADING END WHICH MEETS THE LEADING END OF THE AREA TO WHICH GLUE HAS BEEN APPLIED AND A TRAILING END WHICH MEETS THE TRAILING END OF THE AREA OF THE BLANK TO WHICH GLUE HAS BEEN APPLIED; AND DRIVE MEANS COOPERATING WITH SAID CONVEYER MEANS, SAID TRANSFER ROLL, AND SAID FEED ROLLS FOR CONTINUOUSLY DRIVING SAID CONVEYER MEANS, SAID TRANSFER ROLL, AND SAID FEED ROLLS DURING OPERATION OF THE MACHINE; AND MEANS RESPONSIVE TO MOVEMENT OF THE BLANK ALONG SAID PATH BY SAID CONVEYER MEANS FOR INITIATING THE OPERATION OF THE MEANS WHICH LIMITS THE ROTATION OF THE DIE CARRIER TO ONE REVOLUTION AND MEANS WHICH INITIATES THE OPERATION OF THE MEANS FOR INITIATING THE FEEDING OF THE WINDOW MATERIAL TO THE FEED ROLLS AND THE CUTTING OF THE SHEET OF WINDOW MATERIAL.