| 摘要 |
<p>A tap (10) for use in association with bag in box containers comprising a body (12), a plug member (14), an upper seal assembly and a lower seal assembly. The upper seal assembly includes an upper seal surface region (60) and an upper seal bead positioned between the nozzle opening (48) and the handle opening of the body. The upper seal assembly maintains continuous sealing engagement between the closed orientation and the open orientation of the tap. The lower seal assembly seals the tap nozzle (24) and the plug member (14) between the nozzle opening (48) and the dispensing opening (55). The lower seal surface region (62) is positioned on the inner surface of the elongated tube (50) between the nozzle opening and the dispensing opening. A lower seal bead is positioned on the outer surface of the plug member (14). A drip seal bead (98) is presented as well.</p> |
