Welding Services, Inc.

Hartmut W Fleiss

Frank Novak

An automated welding device for applying a weld overlay to a preexisting weld at the saddle-shaped juncture between a horizontal header pipe and a vertical riser pipe includes a track mountable to the header and adapted to receive a carriage for orbital movement thereon. The carriage is self-propelled and includes a guide means for engaging a flat surface of the track to maintain the carriage in the desired orientation. A welding torch can be mounted to the carriage for movement toward and away from the surface of the pipe and for movement back and forth across the width of the preexisting weld. The track can be oriented to permit the welding torch to follow a predetermined path in more than one orthogonal plane.

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Marietta, GA, United States of America

Hartmut W Fleiss