CPC C03B 19/025 (2013.01) [C03C 21/007 (2013.01); F21S 41/25 (2018.01)] | 28 Claims |
1. A method of producing a headlight lens, the method comprising:
heating a blank made of soda-lime glass;
providing a surface-treatment agent which comprises a solvent and a solid dissolved in the solvent, wherein the solid comprises at least one solid from the group consisting of aluminum, aluminum chloride, aqueous aluminum chloride, aluminum salt, fatty-acid aluminum salts, phosphate, potassium phosphate, sodium phosphate, KO2, KOH, KNO3, silicate, SiO2, potassium silicate and potassium;
providing a gas;
generating a spray mist by thoroughly mixing the surface-treatment agent with the gas;
providing a first mold;
providing at least a second mold;
providing a cooling path;
press-molding the heated blank to form a headlight lens having at least a first optically active surface by means of the first mold and the at least a second mold;
spraying the at least first optically active surface with the spray mist; and
cooling the headlight lens in accordance with a cooling regime in the cooling path by adding heat.
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