| 摘要 |
<p>The beaker (1) has an inverted cup (6) fixed on a base (3), where the beaker is made of cardboard. The cup and base form a sealed compartment. The material of the base and the cup forms a barrier conserving characteristics of preconditioned pulverulent product in a lower part of the beaker. The base is made of cardboard/aluminum composite material, and the cup is made of aluminum. A synthetic covering covers a surface of the base. The base and cup are selected among polyester, polypropylene or polyethylene.</p> |
