Method and apparatus for butt welding of plastic pipes of...

Details Method and apparatus for butt welding of plastic pipes of... Method and apparatus for butt welding of plastic pipes of...

B - Operations, Transporting

23

B

18/972

B23B 5/16 (2006.01) B29C 65/00 (2006.01) B29C 65/20 (2006.01)

Patent

CA 1162378

ABSTRACT OF THE DISCLOSURE The welding apparatus serves for the purpose of butt-welding Or plastic pipes of diameters larger than 500 mm. All the work is performed by means of the welding apparatus from inside the pipe. Thereby the working time is reduced, the welding quality ensured, and the installation becomes faster. Lifting cranes and heating tents become unnecessary. A novelty is also the possibility of welding pipes together at an angle position. As the welding apparatus is collapsible, it may also be advantageously used for repair work on old pipes in the ground (relining), with a minimum exposure of the pipes.

390359

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