| 摘要 |
PURPOSE: Spectacles formed of special composite materials are provided to obtain anion and far-infrared ray emitting effects and electromagnetic wave protection effect by manufacturing the spectacles using raw ore from which far-infrared rays and anions are radiated and produce rust proofing products not easily brittle by maintaining rigidity and high strength. CONSTITUTION: The spectacles are characterized in that they are manufactured by a manufacturing method comprising a step of melting the mixed raw materials to a melting point of 1,539 deg.C or more using coke as a fuel after putting into a blast furnace(1') 100 kg of raw materials comprising gold, silver, copper, irons, all inorganic materials, bismuth, other all nonferrous metals, special alloy material, glasses, shells of fish and shellfish, potteries, jades, ceramics, all kinds of plants and animals, jewelries, germanium, tourmaline raw stone, other types of raw stones, soils, bacteria, fungi and mosses mixed in certain ratios to be coated on one side of the surface of spectacles(1) as an alloy material or used as a material for the spectacles; a step of manufacturing molded spectacles by cast molding the molten raw material mixture in the mold after putting a molten raw material mixture into a mold(1") formed in a shape of the spectacles; a step of finishing and grinding the molded spectacles; a step of heat treating the finished and grinded molded spectacles in first heat treater(2') in the temperature range of 500 to 1,500 deg.C for 5 hours or more; a step of annealing the heat treated molded spectacles in an annealing treater(7') in the temperature range of 400 to 1,400 deg.C for 3 hours or more; and a step of quenching the annealed molded spectacles in a quenching treater(12') for 5 minutes.
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