Reinforced box structure

Claim 1

A HEAVY DUTY SHIPPING BOX STRUCTURE HAVING A BODY OF FLEXIBLE PAPERBOARD MATERIAL HAVING A RIGIDITY AT LEAST EQUALTO CORRUGATED PAPERBOARD AND INCLUDING INTERCONNECTED BOTTOM, SIDE AND END WALLS, THE LONGITUDINAL DIMENSION OF SAID SIDE AND BOTTOM WALLS BEING SUBSTANTIALLY GREATER THAN THE TRANSVERSE DIMENSION OF THE BOX, AND A SIGNAL ONE PIECE ELONGATED STRIP OF WOOD HAVING A WIDTH SUBSTANTIALLY LESS THAN THE HEIGHT OF A SIDE WALL FORMING THE SOLE REINFORCING MEANS FOR EACH SIDE WALL AND BEING ADHESIVELY SECURED TO EACH OPPOSITE SIDE WALL, THE OPPOSED LONGITUDINALLY EXTENDING SIDES OF SAID STRIP BEING POSITIONED ALONG OPPOSITE SIDES OF AND PARALLEL TO THE MEDIAL LONGITUDINAL LINE OF THE SIDE WALL TO WHICH IT IS ATTACHED, SAID END AND BOTTOM WALLS BEING FREE FROM REINFORCING MEANS, SAID STRIP HAVING SUBSTANTIALLY GREATER RIGIDITY THAN THE MATERIAL OF SAID BODY, THE ENDS OF EACH STRIP BEING SPACED SUBSTANTIALLY INWARDLY FROM THE OPPOSITE NON-LONGITUDINAL EDGES OF THE SIDE WALL, WHEREBY SAID STRIPS DISTRIBUTE THE STRESSES OVER THE SIDE WALLS, THEREBY RIGIDIFYING AND STRENGTHENING SAID BOX STRUCTURE.