Blank for producing cartons

Claim 1

A BLANK FOR THE PRODUCTION OF A CARTON COMPRISING, A SHEET SCORED TO DIVIDE IT INTO A BOTTOM WALL, A PAIR OF SIDE WALLS AND A PAIR OF END WALLS, THE END WALLS AND SIDE WALLS BEING JOINED BY CORNER PIECES, EACH OF THE CORNER PIECES BEING DIAGONALLY FOLDABLE TO CAUSE IT TO ASSUME A TWO-PLY TRIANGLE SHAPE, THE BLANK BEING PROVIDED AT EACH OF ITS OPPOSITE ENDS WITH A CONTINUOUS STRIP EXTENDING ALONG EDGES OF THE END WALLS AND EDGES OF THE CORNER PIECES, SAID STRIPS BEING SCORED AT THE SCORE LINES WHICH DIVIDE THE BLANK INTO WALLS, SAID STRIPS BEING FURTHER PROVIDED WITH DIAGONAL SCORE LINES EXTENDING FROM THE INTERSECTION OF SAID STRIPS AND SAID WALL DIVIDING SCORE LINES TO PROVIDE THE STRIP WITH A PLURALITY OF TRIANGULAR GUSSETS HAVING APICES AT SAID INTERSECTIONS, THE CORNER PIECES BEING EACH PROVIDED AT ONE EDGE WITH A STRIP MEMBER DISPOSED AT RIGHT ANGLES TO THE STRIPS ON THE EDGES OF THE BLANK, AND THE SIDE WALLS HAVING ATTACHED COVER FLAPS, SAID COVER FLAPS HAVING STRIPS AT THEIR OPPOSITE ENDS, SAID STRIPS BEING JOINED TO THE STRIP MEMBERS THAT ARE LOCATED ON THE CORNER PIECES.