| 摘要 |
<p>A device for transferring material is presented. The device includes a cap (110). The cap includes a plurality of concentric ringed sections (101 ) stacked together for engaging to an opening of a container. The cap has a feed opening (105) for inserting a transfer tube (370) into the container and a vent extending (120) from a bottom surface to a top surface of the cap.</p> |
