Sunshields for eyeglasses

Details Sunshields for eyeglasses Sunshields for eyeglasses

1997-02-27

1998-06-09

Mai, Huy

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

With antiglare or shading

351 44, 351158, 351178, G02C 900, G02C 710, G02C 1300

Patent

active

057643334

ABSTRACT:
A method and kit for making sunshields for eyeglasses. The sunshields are flexible, transparent sheets of smooth plastic film that are retained on lenses of eyeglasses by electrostatic attraction. The sunshields are made of smooth plastic film having opposed parallel surfaces that are flat and planar except as the film may be curved to match surfaces of the lenses, and absorb some incident electromagnetic radiation. The method includes the steps of laying eyeglasses on a sheet of writing material and tracing an outline of lenses of the eyeglasses on the sheet with a writing implement, cutting along the outlines on the sheet to obtain silhouettes of the lenses, comparing the silhouettes to the lenses in the eyeglasses to see if they match, and laying the silhouettes on a sheet of the smooth plastic film, and cutting the plastic film along the edges of the silhouettes. Also included in the invention is a carrying case for the sunshields, having a material on its interior surface which can impart an electrostatic charge to the sunshields.

REFERENCES:
patent: 1130634 (1915-03-01), Rooney
patent: 2759394 (1956-08-01), Evans
patent: 3628854 (1971-12-01), Jampolsky
patent: 5416537 (1995-05-01), Sadler
patent: 5502516 (1996-03-01), Elterman
patent: 5617153 (1997-04-01), Allen et al.

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