| 摘要 |
A method for preparing a container with sharp corners at the bottom out of a cardboard material. In the method, first a box blank (17) is prepared, in which the corners (16) at the top edge are rounded. A lid blank prepared by cutting is mounted at the top end, and the blanks are sealed together. The container is filled through the end placed next to the bottom edge, and finally the bottom edge is closed and folded to make a bottom with sharp corners. |
