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Method and apparatus for melting and subsequently refining glass

  • US 3,942,968 A
  • Filed: 11/11/1974
  • Issued: 03/09/1976
  • Est. Priority Date: 11/11/1974
  • Status: Expired due to Term
First Claim
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1. Method for melting and refining glass which comprises electrically melting glass in a melting furnace having one or more levels of electrodes extending into the melting furnace and refining the molten glass in a vertical circular passage by subjecting same to mechanical agitation using an agitator positioned within the vertical circular passage with the ends of the agitator blades extending to a point closely adjacent the periphery of the passage whereby the agitator acts on the full volume of the molten glass.

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