| 摘要 |
A blank for forming a paperboard box has portions for forming side walls and end walls of a container and major and minor flaps which interlock to form a bottom to the container. The flaps are connected to the side and end walls along hinge lines. The major flaps include slits or slots which receive tabs on the minor flaps to maintain the bottom closed. The slit or slot of the major flap extends from the center thereof to the hinge line separating the major flap from the side wall. The hinge line between the major flat and the side wall includes pair of spaced parallel fold lines which diagonally extend from the hinge line and intersect the slit or slot. These spaced diagonal fold lines which are offset in alignment, cause the slit or slot to open when the major closure flat is folded over, thereby facilitating insertion of the tab into the slot or slit.
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