Apparatus for induction welding

Details Apparatus for induction welding Apparatus for induction welding

1991-10-03

1993-11-09

Leung, Philip H.

Electric heating

Metal heating

Of cylinders

219 1073, 219 1079, 1562742, 1563802, H05B 640

Patent

active

052605353

ABSTRACT:
An apparatus for induction sealing plastic-coated thermoplastic packaging material that includes a metal layer, comprises an inductor and a counter block between which the packaging material is to be positioned. The inductor includes a carrier portion that is provided with first and second conductors. The first and second conductors are exposed on a first side of the carrier portion and the second conductor is exposed on a second side of the carrier portion such that the width of the exposed portion of the second conductor on the second side of the carrier portion is greater than the width of the exposed portion of the first conductor on the first side of the carrier portion.

REFERENCES:
patent: 2873344 (1959-02-01), Kocks et al.
patent: 3446930 (1969-05-01), Seulen et al.
patent: 3632943 (1972-01-01), Engler et al.
patent: 3864186 (1975-02-01), Balla
patent: 4363946 (1982-12-01), Busemann
patent: 4704509 (1987-11-01), Hilmersson et al.
patent: 5001319 (1991-03-01), Holmstrom

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