Carton construction and method of closing

Claim 1

A CARTON ADAPTED TO BE OVERWRAPPED COMPRISING A BOTTOM TRAY PORTION, AND A COVER PORTION HINGEDLY INTERCONNECTED WITH SAID TRAY PORTION, SAID COVER PORTION BEING CLOSABLE OVER AND LOCKABLE SAID TRAY PORTION ON AUTOMATIC MACHINERY; SAID TRAY PORTION COMPRISING A BOTTOM, FRONT AND REAR WALLS HINGEDLY CONNECTED TO A FIRST PAIR OF OPPOSITE MARGINS OF SAID BOTTOM, OPPOSITE SIDE WALLS HINGEDLY CONNECTED TO A SECOND PAIR OF OPPOSITE MARGINS OF SAID BOTTOM, A PAIR OF CORNER FLAPS HINGEDLY CONNECTED TO OPPOSITE SIDE MARGINS OF EACH OF SAID FRONT AND REAR WALLS, A TAB ON EACH OF SAID CORNER FLAPS AND A PAIR OF TAB RECEIVING SLITS IN EACH OF SAID SAIDE WALLS BETWEEN THE PAIR OF TAB RECEIVING SLITS THEREIN, A PRODUCT DAMMING AND COVER LOCKING FLAP HINGEDLY CONNECTED DIRECTLY WITH SAID FRONT WALL ALONG AN INTERRUPTED FOLD LINE WHICH DEFINES THE UPPER MARGIN OF SAID FRONT WALL, AND A LOCKING SLIT IN SAID DAMMING AND LOCKING FLAP SPACED FROM SAID INTERRUPTED FOLD LINE, SAID FOLD LINE BEING FREE OF SCORING, CUTS AND OTHER MEANS OF WEAKNESS IN AN AREA INTERMEDIATE THE OPPOSITE ENDS OF SAID LOCKING SLIT SO THAT SAID DAMMING AND LOCKING FLAP AND SAID FLAP IS RESISTANT CO-PLANAR CONTINUATIONS OF EACH OTHER IN SAID AREA PRIOR TO SUCH FLAP BEING FOLDED INTO SUBTANTIALLY PARALLEL RELATIONSHIP WITH SAID BOTTOM PANEL SO THAT SAID FLAP IS RESISTANT TO FOLDING ADJACENT SAID SLIT, WHEREBY SAID SLIT AUTOMATICALLY OPENS AT LEAST PARTIALLY WHEN SAID DAMMING AND LOCKING FLAP IS FOLDED DURING CLOSING OF SAID CARTON; SAID COVER PORTION COMPRISING A LID HINGEDLY CONNECTED ALONG ANOTHER FOLD LINE TO THE UPPER MARGIN OF SAID REAR WALL OF SAID TRAY PORTION, AND A PAIR OF SIDE FLAPS HINGEDLY CONNECTED TO OPPOSITE SIDES MARGINS OF SAID LID, EACH OF SAID SIDE FLAPS HAVING A TONGUE PROJECTING THEREFROM EACH OF WHICH IS ENGAGED IN SAID THIRD SLIT OF AN ASSOCIATED SIDE WALL OF SAID TRAY PORTION, SAID LID HAVING A CLOSING TAB DIRECTLY THEREON FORMED WITHIN THE MARGINAL CONFINES THEREOF, SAID TAB WHEN SAID CARTON IS CLOSED BEING RECEIVED DIRECTLY IN SAID LOCKING SLIT IN SAID DAMMING AND LOCKING FLAP AND HAVING BENEATH SUCH FLAP FOR MAINTAINING SAID LID CLOSED, SAID LIB TAB BEING DEFINED BY CUTS EXTENDING DIRECTLY INTO SAID LID FROM THE FREE MARGINAL EDGE THEREOF OPPOSITE FROM THE FOLD LINE ALONG WHICH SAID LID IS HINGEDLY CONNECTED TO THE UPPER MARGIN OF SAID TRAY PORTION REAR WALL.