Eyeglass frame including shape-memory elements
US4896955A · kind A · utility
53Cited by
55References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 5, 1988 |
| Grant date | Jan 30, 1990 |
| Priority date | — |
| Expiry date | Dec 5, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C5/00
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Eyeglass frames fabricated from shape-memory alloys which have optimized elasticity properties which exhibit a combination of shape-memory and elastic properties, which utilize the shape-memory property of these alloys in fastening elements, or which utilize the flexibility and fatigue resistance of the martensite state of the alloys as a hinge element are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.