Eyeglass-frame

Details Eyeglass-frame Eyeglass-frame

1982-04-13

1985-01-22

Bovernick, Rodney B.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

351117, 351129, G02C 518, G02C 502

Patent

active

044948328

ABSTRACT:
A metallic eyeglass-frame, in particular its each bow has a core-to-covering structure in which high Ni-content covering is clad to the surface of a super elastic core made of Cu-Sn-Zn, Cu-Al-Zn or Cu-Al-Ni alloys in order to reduce plastic deformation during use and assure high workability in production, thereby allowing the eyeglass-frame to constantly rest stably on the wearer's facial construction with no increase in uncomfortableness and fatigue on the wearer.

REFERENCES:
patent: 1647152 (1927-11-01), Searles

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