| 摘要 |
<p>Container comprises wide-necked transparent plastic vessel, screw-on lid with a tapered sealing slot housing the thread, and snap closure above the lid, contg. a rubber sponge. When the lid is in position, but the snap closure is removed, a central needle hole in the lid supplies cleaning fluid to the sponge. When the snap closure is in position, it pushes a central spike down into this hole to seal it. The sponge is mounted on a pref. polystyrene disc outside the lid, and the snap closure, lid and internal basket to hold the silver are pref. of low pressure polyethylene.</p> |
