| 摘要 |
<p>Cap can include a cap body mountable to a container. A main bore is disposed in the cap body. A movable component holder has a lower end, an upper end, and a space sized and configured to contain a dispensable component. At least a first seal provides sealing between an inner surface of the cap body and an outer surface of the component holder. The first seal at least one of; is disposed on a generally circumferential wall and is located axially above an annular upper wall of the cap body, is arranged on a generally circumferential wall that can deflect slightly radially outwardly, projects from the inner surface of the cap body, is axially fixed to the inner surface of the cap body, is disposed at an upper end of the main bore, is arranged above an uppermost annular surface of the cap body, is slidably engageable with an outer circumferential surface of the component holder, is located adjacent an upper end of an inner tubular section of the cap body. The can further includes a cover installable on the upper end of the component holder.</p> |
