| 摘要 |
A plastic container of an essentially rectangular shape comprises a bottom, upright side walls connecting to the bottom and having essentially equal thicknesses, and an outward beaded top edge on which the edge of a cover which closes the container can be fixed. Each upright side wall is divided in the vertical direction of the container into two interconnecting side wall parts, the lower side wall part being made curved towards the inside of the container (concave), and the upper side wall part being made curved towards the outside of the container (convex), and the upper and lower side wall parts being connected to each other by an intermediate part. This produces a very stable container, which is suitable for storage and transportation of sensitive powdered materials.
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