Easy opening carton

Claim 1

A CARTON COMPRISING A TOP, ONE SIDE, A BOTTOM AND ANOTHER SIDE CONNECTED ALONG THEIR LONGITUDINAL EDGES, SAID TOP, BOTTOM AND SIDES BEING UNITARY ACROSS THEIR ENTIRE SURFACE, SAID TOP HAVING A PAIR OF TOP FLAPS CONNECTED ALONG THE TRANSVERSE EDGES TEHREOF, SAID BOTTOM HAVING A PAIR OF BOTTOM FLAPS CONNECTED ALONG THE TRANSVERSE EDGES THEREOF, EACH OF SAID SIDES HAVING A PAIR OF SIDE FLAPS CONNECTED ALONG THE TRANSVERSE EDGES THEREOF, SAID TOP, BOTTOM AND SIDE FLAPS FOLDED TO CLOSE THE ENDS OF SAID CARTON, SAID SIDE FLAPS FOLDED TO LIE INSIDE SAID TOP AND BOTTOM FLAPS AND IN OVERLAPPING RELATIONSHIP THEREWITH, SAID TOP AND BOTTOM FLAPS ADHERED TO SAID SIDE FLAPS, SAID SIDE FLAPS BEING CUT ALONG LINES WHICH EXTEND BETWEEN THE EDGES OF SAID TOP AND BOTTOM FLAPS, SAID CUTS IN SAID SIDE FLAPS LEAVING A SMALL CONNECTING PORTION BETWEEN THE PORTIONS THEREOF TO FACILITATE BENDING AND GLUING THE FLAPS, AND A THIN STRIP OF STRONG MATERIAL ADHERED TO THE INSIDE OF ONE OF SAID SIDES AND EXTENDING ALONG A LINE WHICH INTERSECTS SAID CUTS IN SAID SIDE FLAPS, ONE END OF SAID STRIP MADE ACCESSIBLE FROM OUTSIDE THE CARTON BY A TAB TO WHICH THE END OF SAID STRIP IS ADHERED, SAID SIDE OPPOSITE TO THAT TO WHICH SAID STRIP IS ADHERED BEING WEAKENED ALONG A LINE WHICH EXTENDS PARALLEL TO SAID STRIP AND INTERSECTS THE LINES ALONG WHICH SAID SIDE FLAPS ARE CUT, SAID CARTON BEING FILLED THROUGH ONE END THEREOF PRIOR TO BEING AND GLUING THE FLAPS AT SAID ONE END THEREOF.