| 摘要 |
<p>Display units made of corrugated cardboard are becoming increasingly common in retail trade. This involves certain difficulties when moving the units around after packing. Sanitary problems may also be a result of using display units of corrugated cardboard. The shape of the display units may vary considerably, which requires different solutions. With the present invention the display units are made mobile and direct contact between the corrugated cardboard and floor is prevented. This has been achieved by a foldable plastic device with plastic balls acting as rollers.</p> |
