Abstract: An inexpensive, foldup container for holding and disposing of used medical materials is die-stamped from a single piece of cardboard material and crimped along a plurality of lines to define a plurality of rectangular panels hingably-attached to one another which fold together to form a rectangular carton having an aperture in the top guarded by a barrier flap which permits the one-way disposal of used medical materials, such as disposable sharps and dressings, and further includes a hinged cover which can be locked shut over the disposal opening to retain the contents within the container and to resist tampering during the disposal process. The container may be provided in a partially assembled, flat configuration for storing and shipping.

Abstract: The present invention comprises a polygonal folding shipping container, one embodiment of which is a rectangular box having a bottom wall, a top wall, a rear wall, a front wall and two opposite side walls. The front wall and the two opposite side walls each include inner and outer panels which are folded with respect to one another at the upper edge of the wall. A slot extends along the upper edge of each of the front and side walls. The rear wall extends upwardly and is connected to a top wall which has a plurality of flaps along its outer edges. Each of the flaps extend into the slots in the front and side walls.

Abstract: A paperboard blank and carton are provided with a securely and redundantly lockable closure. The front panel of the carton formed from the blank includes an aperture extending therethrough and at least one locking cut line. A top panel is hingedly moveable between an opened and a closed condition. A front flap articulated to the top panel in turn includes a locking tab and a locking flap. The locking tab engages the aperture in the front panel, while the locking flap engages the locking cut line.

Abstract: A box or container for yams or other bulk products wherein there are closure panels having lock panels at each end thereof, and which lock panels interlock in lock notches formed in end panels carried by a bottom panel of the box. The relationship between the lock panels, which includes bent elbow hooks, and the lock notches is one wherein the required locking action is easily effected and wherein the locks may be readily released for inspection. The box preferably has a three layer end wall construction including end panels carried by the bottom panel and other end panels carried by side panels of the box. The box is readily stackable and has tapered sides and vent openings so as to permit circulation between and within stacked boxes. In one modification the box is formed from a tube, the tube being formed by joining together the ends of a unitary blank to thereby form a manufacturer's joint, the blank defined by a plurality of hinged, articulated panels.