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US 2004/0165144 A1Published application
Spectacles with lenses and manufacturing method thereof
AssigneeCombex, Inc.
InventorMasato Nishikata
Life of this patent
Estimating the term…
Abstract
An object of this invention is to improve the safety. Lens bodies 2, 2a are formed integrally on the rear surface of a shield so as to avoid such a danger that the eyes may be injured due to drop or separation of the lens bodies 2, 2a.
Claims9
Spectacles with lenses wherein a lens body is formed integrally on a rear face of a shield.
A manufacturing method for spectacles with lenses wherein the lens body is formed by grinding a convex portion formed integrally on the rear face of a shield so as to adjust the surface of the convex portion to a predetermined curvature.
Dependencies are inferred from the claim text.