METHOD OF MAKING AN END PIECE OF AN EYEGLASS FRAME
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United States of America Patent
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Sep 13, 2016
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Sep 13, 2016
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A method of making an end piece of an eyeglass frame includes the steps of: closing first and second mold cores to define therebetween a mold cavity having a shape corresponding to that of the end piece, the mold cavity having an injection hole communicating with an external environment; injecting metal clay through the injection hole into the mold cavity at a high pressure to form an end piece blank; separating the first and second mold cores to expose the mold cavity and then ejecting the end piece blank from the mold cavity by a blank ejector module; and subjecting the end piece blank to a sintering process.
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