Apparatus for applying adhesive patterns to flat cardboard elements

Claim 1

IN COMBINATION WITH A MACHINE HAVING A MAIN FRAME SUPPORTING MAIN CONVEYOR MEANS BY WHICH PAPER BAGS ARE SUCCESSIVELY TRANSPORTED ALONG A PREDETERMINED PATH; APPARATUS FOR SECURING A FLAT CARDBOARD ELEMENT TO EACH OF THE TRANSPORTED BAGS COMPRISING A MAGAZINE SUPPORTING A HORIZONTALLY ARRANGED STACK OF FLAT CARDBOARD ELEMENTS STANDING ON EDGE AND HAVING MEANS FRICTIONALLY ENGAGING EDGES OF THE C ARDBOARD ELEMENTS TO URGE THE LATTER TOWARD ONE END OF THE MAGAZINE, STRIPPING MEANS OPERATIVE TO REMOVE THE CARDBOARD ELEMENTS DOWNWARDLY ONE AT A TIME FROM THE STACK AT SAID ONE END OF THE MAGAZINE, ADHESIVE APPLYING MEANS LOCATED BELOW SAID MAGAZINE TO RECEIVE EACH CARDBOARD ELEMENT FROM SAID STRIPPING MEANS AND APPLYING A PATTERN OF ADHESIVE TO ONE SIDE OF THE ELEMENT, AUXILIARY CONVEYOR MEANS RECEIVING EACH CARDBOARD ELEMENT FROM SAID ADHESIVE APPLYING MEANS AND TRANSPORTING THE SUCCESSIVE ELEMENTS, WITH THE ADHESIVE PATTERN ON EACH ELEMENT FACING UPWARDLY, ALONG A PATH HAVING A TERMINAL PORTION EXTENDING UNDER SAID PATH ALONG WHICH THE BAGS ARE TRANSPORTED AND CONVERGING UPWARDLY WITH RESPECT TO SAID PATH OF THE BAGS, MEANS DRIVING SAID STRIPPING MEANS, ADHESIVE APPLYING MEANS AND AUXILIARY CONVEYOR MEANS IN SYNCHRONISM WITH SAID MAIN CONVEYOR MEANS SO THAT EACH CARDBOARD ELEMENT MOVING ALONG SAID TERMINAL PORTION OF ITS PATH UNDERLIES, AND IS BROUGHT INTO REGISTERED ENGAGEMENT WITH A PAPER BAG BEING TRANSPORTED BY SAID MAIN CONVEYOR MEANS, AND MEANS PRESSING TOGETHER EACH BAG AND THE UNDERLYING REGISTERED CARDBOARD ELEMENT AS THE BAG IS TRANSPORTED BY SAID MAIN CONVEYOR MEANS BEYOND SAID TERMINAL PORTION OF THE PATH OF TRANSPORT OF THE CARDBOARD ELEMENTS BY SAID AUXILIARY CONVEYOR MEANS.