Flux control for induction heating of melt-out cores

Details Flux control for induction heating of melt-out cores Flux control for induction heating of melt-out cores

1990-08-03

1991-10-29

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

With direct application of magnetic force to manipulate...

4251748R, 425438, 425445, 425185, 249 62, 249175, 264 25, B29C 3352, B29C 3376

Patent

active

050611623

ABSTRACT:
An induction heating system for melting metal cores contained within articles or components made of plastic uses induction heating and redirects flux lines for efficient melting. The system includes a high permeability magnetic core, an induction heating coil about at least a portion of the magnetic core to produce flux circulation in a magnetic circuit formed by the magnetic core, and two magnetic nozzles attached to the magnetic core with a gap therebetween for insertion of a specific shape of plastic article, the magnetic nozzles shaped to direct and position a desired pattern of flux lines to heat and melt the metal core of the plastic article.

REFERENCES:
patent: 3579621 (1971-05-01), Mehnert
patent: 3640657 (1972-02-01), Rowe

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