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US08574473B2 Foamed resin injection molding method 有权
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Foamed resin injection molding method
Abstract:
An injection molding apparatus and method are provided. The method includes a molded cavity coupled to a resin injection apparatus which injects molten resin under pressure with a gas such that the resin foams within the mold cavity. An electrical heater is in contact with a first cavity surface, and a cooling medium cools the mold. The resin may include metallic flakes.
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