| 摘要 |
A coupling device is disclosed for connecting one end of a pipe with a coupling member. The pipe is provided with pipe grooves adjacent said one end. The coupling member is provided with a coupling groove. A lock sleeve has a pipe groove tab and a coupling groove tab and is insertable into the coupling member so that the coupling groove tab locks in the coupling groove and is disposable on the one end of the pipe so that the pipe groove tab locks in the pipe groove thereby securing the coupling member to the one end of the pipe.
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