Induction welding apparatus for manufacture of tubing

Electric heating – Metal heating – Of cylinders

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H05B 602

Patent

active

042687365

ABSTRACT:
Induction welding apparatus for manufacture of tubing which includes a modifier between the induction coil and pressure rolls, an impeder inside the tube with laminations parallel to the radius of the tube which intersects the tube slit, a device for stabilizing the impeder, a device for moving the impeder in the direction of the tube axis, and special shielding means for the pressure rolls.

REFERENCES:
patent: 1365198 (1921-01-01), Sessions
patent: 1932423 (1933-10-01), Sessions
patent: 1967129 (1934-07-01), Neale
patent: 2020276 (1935-11-01), Crawford
patent: 2632079 (1953-03-01), Body
patent: 2687464 (1954-08-01), Crawford
patent: 2687465 (1954-08-01), Crawford
patent: 3037105 (1962-05-01), Kohler
patent: 3648005 (1972-03-01), Rudd
patent: 3689725 (1972-09-01), Hammer et al.
patent: 3701871 (1972-10-01), Schaefer
patent: 3733453 (1973-05-01), McLain

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