| 摘要 |
<p>A bottom construction for an erectable cardboard or paperboard or paperboard box includes in addition to two mutually opposite foldable bottom sheets (5, 8) a zig-zag pleated portion (10) which is supported from the under part of the side walls (3, 4) of the cart. An axle (20) carrying cart wheels (21) extends through the side walls (3, 4) and through the pleated portion (10) such as to allow the pleated portion (10) to suport the bottom sheets (5, 8) in the erected state of the box. The box can be laid flat, by folding down the wall panels (1-4) of the cart around panel-joining fold lines.</p> |
