Pipe-sock′et-ing ma-chine′.
A machine for finishing the molding process of clay or concrete pipes by making a socket on one end to receive the smaller end of an adjacent pipe when laid.
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Pipe-socketing machine. |
a shows the pipe before socketing:
b, afterward.
The pipe
a is placed in the bed of the machine, and the upper clamp brought down and locked.
The head-piece, which has the counterpart form of the socket, is then brought forward by the lever, expanding the clay into the shape of the
former.
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The chase pipe-cutting and threading machine. |