Plastic and nonmetallic article shaping or treating: processes – Optical article shaping or treating – Including step of mold making
Reexamination Certificate
2011-08-02
2011-08-02
Johnson, Christina (Department: 1742)
Plastic and nonmetallic article shaping or treating: processes
Optical article shaping or treating
Including step of mold making
C264S219000, C264S220000, C264S221000, C264S222000, C264S223000, C264S224000, C264S225000, C264S226000, C264S227000, C264S002100, C264S002700, C425S404000, C425S409000, C425S412000, C425S418000, C425S470000, C425S808000, C249S114100, C249S115000, C249S134000
Reexamination Certificate
active
07988889
ABSTRACT:
An exemplary method for making a mold used for molding lenses includes the following. First, a base is provided. The base has parallel lines marked on a surface thereof. Second, a dispenser is provided. The dispenser dispenses lumps of molding material on selected positions on the surface of the base guided by the lines. Third, a roller is provided. The roller has a peripheral side surface. The peripheral side surface has spaced molding surfaces defined thereat, each molding surface corresponding to a surface of a lens to be formed. The roller is applied above the base, with the molding surfaces press-molding the lumps of molding material, thereby forming molding portions on the base. Thus, a mold including the base and the molding portions formed on the base is obtained.
REFERENCES:
patent: 1143895 (1915-06-01), Essick
patent: 6787072 (2004-09-01), Border et al.
patent: 2009/0280417 (2009-11-01), Louh
Hon Hai Precision Industry Co. Ltd.
Huda Saeed
Johnson Christina
Reiss Steven M.
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