| 摘要 |
<p>A dust cap for a fluid coupling includes a generally cylindrical body which is mounted on the coupling and an end wall at one end of the cylindrical body. The end wall is provided with a slit therein for permitting another coupling to be inserted through the end wall and a stress relief opening at each end of the slit. A flexible and resilient flap covers each of the stress relief openings, and a fluid drain port is provided in the cylindrical body.</p> |
