Flanged folding box

Claim 1

A KNOCK DOWN PAPERBOARD BOX COMPRISING A BLANK HAVING A BOTTOM WITH OPPOSED SIDE EDGES AND OPPOSED END EDGES, A SIDE WALL INTERMEDIATE PANEL HINGED TO EACH SIDE WALL, A SIDE WALL HINGED TO EACH SIDE WALL INTERMEDIATE PANEL, AND END WALL INTERMEDIATE PANEL HINGED TO EACH END WALL, AN END WALL HINGED TO EACH END WALL INTERMEDIATE PANEL, A FLAP HINGED TO EACH END WALL INTERMEDIATE PROJECTING FROM EACH OF SAID END WALL INTERMEDIATE PANELS IN THE DIRECTION OF SAID END WALLS, SAID SIDE WALL INTERMEDIATE PANLES AND SAID END WALL INTERMEDIATE PANELS BEING ADAPTED TO FOLD UPWARDLY AND INWARDLY TO A REVERSE TURN POSITION RELATIVE TO SAID BOTTOM TO FORM A MARGINAL BOX FLANGE, SAID SIDE WALL INTERMEDIATE PANELS BEING GLUED IN REVERSE TURN POSITION, SAID SIDE WALLS AND SAID END WALLS BEING ADAPTED TO FOLD TO A VERTICAL POSITION WITH RESPECT TO SAID BOTTOM ADJACENT THEIR RESPECTIVE EDGES, SAID FLAPS BEING ADAPTED TO FOLD TO ASSUME A JUXTAPOSED POSITION WITH RESPECT TO THEIR ADJACENT END WALL, SAID FLAPS EACH HAVING A FIRST EDGE ADAPTED TO OVERLIE ONE OF SAID TABS WHEN SAID FLAPS ARE IN JUXTAPOSED RELATION TO SAID END WALLS AND WHEN SAID SIDE WALL INTERMEDIATE PANLES ARE IN SAID REVERSET TURN POSITION, A FOLDING PANEL HINGED TO EACH OF SAID END WALLS, SAID FOLDING PANELS EACH BEING ADAPTED TO FOLD OVER SAID END FLAPS ON SAID SIDE WALLS AND TO ASSUME A JUXTAPOSED POSITION WITH RESPECT TO THEIR RESPECTIVE END WALLS WHEN SAID BOX IS IN A SET UP POSITION, SAID FOLDING PANELS BEING ADAPTED TO HOLD THEIR RESPECTIVE FLAPS WITH THEIR SAID FIRST EDGE OVERLYING ONE OF SAID TABS AS AFORESAID WHEREBY TO MAINTAIN SAID END WALL INTERMEDIATE PANELS IN REVERSE TURN POSITION RELATIVE TO SAID BOTTOM IN USE, AND INTERLOCKING MEANS CARRIED BY EACH OF SAID FOLDING PANELS ADAPTED TO LOCK THE WALLS OF SAID BOX IN A SET UP POSITION.