| 摘要 |
A cosmetic container (1) comprises an insert (4), which is preassembled to a brush (2) by means of an undercut ring (2d) located beneath a brush flange (2b) and cooperating with an undercut recess (4c) in the throat of the insert (4). The insert walls are held by briction in the container (1) and anchored externally to the container (1) by a ring (1b), which extends peripherally from the threaded container wall. An undercut (4a) in the insert external flange (4b) engages the ring (1b) to complete the anchor. The insert (4) is molded from polymer that repels the cosmetic product owing to molecular polarity. The insert (4) functions as a sealing mechanism and a means to keep product from reaching the top of the container (1) or on the container threads (1t). The insert walls may also shaped as a liquid inhibitor to retard flow from the container if the bottle is tipped over inadvertently.
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