Annular gradient optical lens tint system

Details Annular gradient optical lens tint system Annular gradient optical lens tint system

1991-03-11

1993-04-13

Jones, W. Gary

Coating apparatus

Immersion or work-confined pool type

Rotating work about an axis through itself during coating

118425, 118503, 134157, B05C 309

Patent

active

052019551

ABSTRACT:
A system is provided for tinting eyeglass lenses wherein the lenses are engaged in a frame which is both vertically reciprocated and simultaneously rotated about on an axis central to and orthogonal to the plane of the lens so that an annular gradient tint is produced darker at the outside edges of each lens and becoming progressively lighter toward the center, with the optical center of the lens either being completely clear or substantially lighter than the rest of the lens.

REFERENCES:
patent: 243107 (1881-06-01), Conger
patent: 1281762 (1918-10-01), Carpenter
patent: 1404309 (1924-01-01), McDonald
patent: 2824029 (1958-02-01), Zinty
patent: 4317427 (1982-03-01), Turner
patent: 4915986 (1990-04-01), Elias et al.

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