Importance

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Abstract

The present invention provides a mold for molded glass and its protection method; the protection method permits reducing gas to be generated within the mold for molded glass, thus preventing oxidation of core assembly during temperature rise of glass and protecting the core assembly; the reducing gas is formed by the reaction between oxygen and carbon-containing element in the mold; the mold comprises a core assembly, a core sleeve sleeved onto exterior of the core assembly and a reaction member, of which the reaction member made of graphite material is arranged onto exterior of the core sleeve or into the chamber of core assembly, and used to generate reducing gas from reaction with oxygen within the mold; moreover, the mold also comprises a core assembly, a core sleeve and a fixed molding ring; a carbon film is coated onto the inner side of the fixed molding ring, and the reducing gas is formed from reaction with oxygen within the mold space.

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First Claim