| 摘要 |
The element has a compact cardboard sheet (30) wound itself around a winding axis (DELTA), so that circumference of the compact cardboard sheet is formed by superposition of two layers among three compact cardboard layers (31-33), where the element has a circular, triangular or quadrangular section. The compact cardboard sheet is maintained and wound by using an adhesive bead (34), where the element extends parallel to lateral walls of a compact cardboard box. Independent claims are also included for the following: (1) a compact cardboard box, comprising bottom and lateral walls defining corners (2) a device of shaping a reinforcement element (3) a method of shaping a reinforcement element. |
