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Method and apparatus for heating mold by high frequency current

  • US 20070075463A1
  • Filed: 10/03/2006
  • Published: 04/05/2007
  • Est. Priority Date: 10/04/2005
  • Status: Abandoned Application
First Claim
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1. A method for heating two mold inserts facing each other through high frequency current having steps of:

  • two mold inserts having heating surface face each other, at least more than one coil guide hole approaching heating surface of first mold, let coil penetrate coil guide hole, and the penetrated coil will be connected to the coil which penetrates the second mold coil guide hole through a coil connector, then at least one coil assembly which encloses two mold insert heating surfaces having face to face to each other is formed, moreover, ends of the coil assembly are connected to high frequency power supply system, high frequency current is added to the coil through high frequency power supply system to heat mold insert heating surface, then adjust the power output and frequency to control the heating speed and temperature of mold insert heating surface.

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