Induction welding apparatus and method

Details Induction welding apparatus and method Induction welding apparatus and method

1989-05-10

1991-09-10

Leung, Philip H.

Electric heating

Metal heating

Of cylinders

219 10491, 219 1053, 219 1073, 219 1077, 1562737, 1563806, 264 25, H05B 606

Patent

active

050476050

ABSTRACT:
An apparatus and method for welding or thermally bonding parts of thermoplastic material by subjecting a die to high frequency electromagnetic radiation to effect heating thereof and heating of thermoplastic parts in contact with the heated die. The die is continuously cooled to permit rapid cooling thereof and of the parts in contact therewith upon deenergization of the source to reduce cycle time and facilitate automated production techniques using a single source and multiple die stations successively exposed to the source for heating and being rapidly cooled thereafter due to the continuous cooling thereof.

REFERENCES:
patent: 3740859 (1973-06-01), Patton et al.
patent: 3754109 (1973-08-01), Moulin et al.
patent: 3764767 (1973-10-01), Randolph
patent: 4152566 (1979-05-01), Magerle
patent: 4246461 (1981-01-01), Jeppson
patent: 4327265 (1982-04-01), Edinger et al.
patent: 4425489 (1984-01-01), Pav et al.
patent: 4438310 (1984-03-01), Cachat
patent: 4617441 (1986-10-01), Koide et al.

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