Package end flap folding and sealing machine

Claim 1

A PACKAGE END FLAP FOLDING AND SEALING MACHINE COMPRISING A PAIR OF SPACED UPRIGHT FRAME ELEMENTS, A CHAIN CONVEYOR SUPPORTED ON EACH OF SAID FRAME ELEMENTS, EACH CHAIN IN CONVEYOR INCLUDING LONGITUDINALLY SPACED INFEED AND DISCHARGE SPROCKET WHEELS MOUNTED FOR ROTATION ABOUT A SUBSTANTIALLY HORIZONTAL AXIS AND AN ENDLESS CHAIN TRAINED TO RUN AROUND SAID SPROCKETS AND TRAINED TO RUN WITH AN UPPER REACH EXTENDING ALONG ADJACENT THE TOP OF SAID FRAME, A PLURALITY OF PUSHER ELEMENTS CONNECTED TO SAID CHAIN AT UNIFORMLY SPACED LOCATIONS WITH RESPECTIVE PUSHER ELEMENTS OF EACH CHAIN BEING LATERALLY ALIGNED FOR PUSHING A CONTAINER IN POSITION THEREBETWEEN, GUIDE RAILS MEANS ON SAID FRAME ELEMENTS FOR SUPPORTING A CONTAINER FOR MOVEMENT ALONG SAID FRAME ELEMENTS BY SAID PUSHER ELEMENTS, MEANS DISPOSED ALONG SAID FRAME FOR FOLDING AND SEALING THE END FLAPS OF SAID CONTAINER, MEANS TO MOVE SAID CHAINS AND ROTATE SAID SPROCKETS, CONNECTED BETWEEN SAID FRAME ELEMENTS FOR MOVING SAID ELEMENTS IN LATERAL DIRECTIONS TOWARD AND AWAY FROM EACH OTHER FOR ADJUSTING SAID FRAME ELEMENTS IN RESPECT TO THE CONTAINERS BEING FED, A COMPRESSOR CONVEYOR DISPOSED IN ALIGNMENT WITH SAID CHAIN CONVEYOR COMPRISING A PAIR OF ENDLESS BELTS, FIRST AND SECOND LONGITUDINALLY SPACED PULLEYS FOR GUIDING EACH OF SAID BELTS WITH THE OPPOSED FACES OF SAID BELTS DISPOSED VERTICALLY AND IN OPPOSITE RELATIONSHIP FOR COMPRESSING A CONTAINER THEREBETWEEN FOR HOLDING DURING DRYING, AND A PLURALITY OF ROLLERS DISPOSED ADJACENT THE INTERIOR OF THE OPPOSED FACES OF THE OPPOSED PORTIONS OF SAID BELTS FORMING A GUIDE FOR SAID BELTS, AT LEAST SOME OF SAID ROLLERS BEING REMOVABLE FOR VARYING THE SPACING BETWEEN SAID BELTS AT VARIOUS LOCATIONS ALONG THE LENGTH THEREOF.