Dimensionally Stable eyewear

Details Dimensionally Stable eyewear Dimensionally Stable eyewear

1995-04-04

1996-07-30

Sikes, William L.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

351 44, G02C 106

Patent

active

055416748

ABSTRACT:
Disclosed are dimensionally stable eyewear frames, for minimizing visual distortion due to relative movement of the left and right optical zones of the eyewear. In one embodiment, the eyeglass orbitals are investment cast from substantially pure titanium or a titanium based alloy. The bridge may be integrally cast with the lens orbitals, or the parts may be separately formed and assembled later.

REFERENCES:
patent: 3552840 (1968-09-01), Braget
patent: 4204750 (1980-05-01), Hilbert
patent: 4611371 (1986-09-01), Fujino et al.
patent: 4976529 (1990-12-01), Segoshi et al.

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