| 摘要 |
A double-pipe combining device comprising a revolver, at least one pipe combining means arranged on the outer surface of the revolver, and at least one cam mechanism, the pipe combining means comprising a first pipe receiving means, a second pipe receiving means, and a slidable pipe pusher, the cam mechanism being arranged to move the pipe pusher forward and backward within one rotation of the revolver, the double-pipe combining device being arranged to automatically combine the larger-diameter pipe and smaller-diameter pipe, through the reciprocating movement of the pipe pusher, only by placing those pipes respectively in the two pipe receiving means and rotating the revolver.
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