| 摘要 |
<p>A multi-layered flat-walled bulk storage bin or container (10) comprises a multi-layered sleeve having at least four flat sides with crushed corners (13) between adjacent sides, the sleeve having compressible sheet layers (11), preferably corrugated board layers, with at least two opposing corners (13) being bevelled corners to allow the sleeve to be collapsed so that fully closed corners have adjacent sides substantially parallel without additional force applied.</p> |
