| 摘要 |
Caps (20) are provided for covering the writing end of a writing instrument (10) containing a non-solid writing material. The caps include a cap body (2 1) having an open end (23) for receiving the writing end and a closed end (24) for covering the writing end and having a long axis extending from the open end to the closed end, and a sealing member (26) disposed within the cap bod y, a portion of which is fixed axially relative to the long axis of the cap bod y. In some caps, the cap body defines an air flow passage extending from the op en end to the closed end.
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