Induction heater system for fusing plastics

Details Induction heater system for fusing plastics Induction heater system for fusing plastics

1992-04-16

1994-09-20

Leung, Philip H.

Electric heating

Inductive heating

With heat exchange

219660, 219670, H05B 610

Patent

active

053491653

ABSTRACT:
A heater system provides a portable lightweight tool including the core and at least the primary winding of a transformer having a secondary that may be permanently or selectively coupled to a heater having a bifilar winding to reduce magnetic radiation; wherein the design of the system is such that voltages produced in the portable tool do not materially exceed 100 volts and are normally below 100 volts. The core of the transformer when employed in an arrangement wherein the secondary winding is permanently connected to the heater winding has a leg rotatable out of the closed core configuration whereby another leg of the core having the primary winding wound thereon may be inserted into the secondary winding. Alternatively the secondary winding may be wound on a short length of the core that is insertable into a leg of the transformer core on which the primary winding is wound.

REFERENCES:
patent: 4017701 (1977-04-01), Mittelmann
patent: 4521659 (1985-06-01), Buckley et al.
patent: 4675487 (1987-06-01), Verkasalo
patent: 4745264 (1988-05-01), Carter
patent: 5107095 (1992-04-01), Derbyshire

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