| 摘要 |
<p>A flexible enclosure (10) formed of flexible sheet material, to be located in a generally rigid container, the enclosure (10) being adapted to receive granular or powdered material, the enclosure includes a pair of opposing side walls (11) which are each formed of a two-ply construction defining a generally airtight chamber (21), the chamber (21) is inflated so that the side walls (11) are generally upwardly extending enabling the enclosure (10) to be filled with the granular or powdered material.</p> |
