| 摘要 |
<p>A collapsible container liner (18) for use within a bulk container (10) having a substantially rigid top, bottom and side walls (12,14,16) and a filler opening (20) in the top wall. The liner is a collapsible bag of a flexible material with top, bottom and sides (30,32,34) which correspond to the container walls within the interior of the container. A first opening (36) in the liner top (18) corresponds to the filler opening (20) in the container top wall. A seal is formed between the container top wall (12) and the liner top (30) around the periphery of the filler opening (20) and the first opening (36). Optionally, the container bottom wall (14) can be formed with a discharge outlet (200) lined by a complementarily shaped liner discharge spout (206) sealed adjacent thereto. A second opening (62) in the liner top (30) is spaced from the first opening (36) and has an evacuation outlet (60) attached to the liner top around the periphery of the second opening (62). Air is withdrawn through the evacuation outlet (60) from the space (50) between the liner and the interior of the container, a vacuum forms which collapses the liner against the container interior surfaces. A removable cap (70) is sealably received in the evacuation outlet (60) to maintain the evacuated condition within the space (50) so that the liner (18) retains its shape conforming to the interior configuration of the container (10). <IMAGE></p> |
