| 摘要 |
<p>Cap comprises a drip insert, internal thread, and sealing rings, and a disc-shaped resilient filler material disposed in a central recess. The filler material may consist of resilient plastic or rubber, pref. foamed polyethylene. Pref. the dia. of the disc-shaped filler material is greater than the inside dia. of the central recess which has a peripheral undercut region at a distance from its bottom equal to the thickness of the filler material. The cap allows corresp. drip inserts to be used for different liq. outlet openings, which facilitates storage. Hence, a single screw cap is used which is desired for the max. drip-forming chamber. The filler material abuts with precision against the drip-forming unit.</p> |
