| 摘要 |
FIELD: packing industry. ^ SUBSTANCE: invention is related to corrugated board packing. Box for package is made of sheet stock, having two wide side walls that are rectangular in plan, two narrow side walls, one of which is arranged between wide side walls, and the other one - at the free end of one of bigger side walls. All walls are connected to each other along rectilinear folding lines, and to valves on their other sides - through arched folding lines. At the same time each folding line in zone of wide side walls joint with valves is arranged in the form of two serially arranged arched convex lines, convexity of which faces convexities of folding lines on the other side of the wall. ^ EFFECT: invention makes it possible to increase bearing capacity of the box and to provide for preservation of its shape under high load, also in process of stacking. ^ 7 cl, 4 dwg |
