APPARATUS FOR HEAT TREATMENT OF TUBES Russian patent published in 1997 - IPC

FIELD: heat treatment of tubes, possibly in industrial objects with tubes. SUBSTANCE: apparatus for heat treatment of tube includes inductor connected with power source, connectable flange embracing tube and joined by its one end with flexible members engaging with tube surface. Inductor is mounted with use of insulation jacket onto flexible members. Other end of flange is connected with conductor. Flexible members are made in the form of chains. Pulling ropes are arranged onto outer surface of inductor or between inductor and insulation jacket. Ropes are joined with chains near end sides of jacket. Chains are arranged non-uniformly along circumference of tube. EFFECT: improved design. 3 dwg