Dispositif de soudage pour tube soude par resistance electrique

Electric resistance welded pipe welding apparatus

Abstract

Provided is a device for manufacturing electric resistance welded pipe that joins both of the end sections (2a, 2b) of an open pipe (1) at a joining section, said end sections (2a, 2b) facing an opening (2) in the open pipe (1) that extends in the direction in which said pipe runs. Joining is achieved by causing the end sections (2a, 2b) to melt using induction current generated by an induction heating means. The induction heating means comprises a first induction coil (3). The first induction coil (3) is arranged above the opening (2) without surrounding the outer periphery of the open tube (1) so that a primary current circuit that spans the opening (2) is formed.

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