Carton

Claim 1

IN A CARTON, A CARTON FORMING BLANK HAVING SIDE AND END WALL PANELS, EXTENSIONS ON SAID PANELS FORMING TOP CLOSING FLAPS FOR SAID CARTON, SAID TOP CLOSING FLAPS INCLUDING SIDE CLOSING FLAPS AND END CLOSING FLAPS, ONE OF SAID SIDE CLOSING FLAPS INCLUDING AN END SECTION DEFINED THEREIN BY A FOLD LINE EXTENDING ACROSS SAID FLAP AND BY A WEAKENED LINE CONNECTING SAID END SECTION WITH SAID SIDE WALL PANEL, AN OPPOSED SIDE FLAP AND AN END FLAP MADE INTEGRAL AND FOLDABLY CONNECTED WITH EACH OTHER, SAID OPPOSED SIDE FLAP BEING PROVIDED WITH AN END SECTION OPPOSITE SAID FIRST END SECTION AND DEFINED THEREIN BY A WEAKENED LINE, SAID INTEGRAL END FLAP BEING PROVIDED WITH A DIAGONAL BELLOWS FOLD LINE FROM THE CORNER OF THE CARTON TO THE OUTER FREE CORNER OF SAID END FLAP WHEREBY SAID INTEGRAL SIDE AND END FLAPS MAY BE FOLDED DOWNWARDLY UNDER SAID FIRST SIDE FLAP, SAID OPPOSED SIDE FLAP AND END SECTION AND SAID FIRST NAMED SIDE FLAP AND END SECTION EXTENDING SUBSTANTIALLY ACROSS THE TOP OF THE CARTON IN SUPERPOSED OVERLAPPING RELATION AND BEING SECURED TOGETHER SUBSTANTIALLY THROUGHOUT THE ENTIRE AREA OF THE TOP OF THE CARTON, THE END SECTION OF SAID OPPOSED SIDE FLAP HAVING A LOCKING SLIT DISPOSED PARALLEL TO BUT SPACED FROM THE TOP EDGE OF SAID END WALL PANEL WHEN THE END SECTION IS FOLDED DOWN INTO THE PLANE OF THE CARTON TOP, THE FREE EDGE OF THE END SECTION OF THE FIRST NAMED SIDE FLAP BEING CUT BACK TO FORM A TAB PROJECTING COEXTENSIVELY WITH THE END OF THE CARTON AND LYING FLAT ON THE TOP OF SAID FOLDED-DOWN END SECTION COVERING SAID SLIT, SAID WEAKENED LINES PROVIDING MEANS WHEREBY SAID CARTON MAY BE OPENED BY GRASPING THE TAB AND PULLING UP THE UPPER END SECTION AND FOLDING IT BACK ON THE HINGE PROVIDED BY SAID FIRST NAMED FOLD LINE AND THEN BY PULLING UP THE LOWER END SECTION TO FORM A POURING SPOUT AT ONE OF ITS CORNERS, SAID LOWER END SECTION AND INTEGRAL BELLOWSFOLDED END FLAP BEING REFOLDABLE DOWNWARDLY UNDER SAID UPPER END SECTION AND SAID TAB BEING INSERTABLE IN SAID SLIT TO MAINTAIN THEM IN RECLOSED POSITION.