摘要 |
<p>The container has side walls and a base, which are produced by plastic injection molding. The side walls and/or the base have a double-walled construction with a closed air cushion, and discharge openings for discharging liquid i.e. melt water, is provided in the base. The double-walled construction is produced by a core during injection molding. The air cushion is closed, while a base unit is welded after withdrawing the core. Auxiliary openings are provided in hinges, which connects the base and side walls. An independent claim is also included for an injection mold for producing a folding container.</p> |