| 摘要 |
A pipe coupling is disclosed which comprises a plug ( 14 ) and a socket ( 12 ). When the plug is inserted into the socket, the plug first urges sleeve actuators ( 28 ) radially outward to axially move a sleeve ( 22 ) and, thereafter, urges locking elements ( 20 ) radially outward to move the sleeve further. Eventually, the locking elements and sleeve actuators are fitted within a locking recess ( 14 - 2 ) of the plug to securely connect the plug and the socket.
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