| 摘要 |
<p>The frame is demountable or collapsible and locates a supple container in impermeable tissue or plastics to transport powdered or granular materials in semi-bulk. It houses the container over an unloading portico aiding filling and emptying whilst affording structural support in transit, and having a round or a rectangular cross-section. Cover and head plates match the cross-sectional shape having stamped central circular openings with upstand and downstand edge returns respectively. Snap-hooks may be provided on each post and in each corner, and the container may have non-extendable and extendable straps with circular necks located by the respective plate openings.</p> |
