Elongate deformable structure and applications to eyeglass frames
US4781450A · kind A · utility
11Cited by
4References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 10, 1987 |
| Grant date | Nov 1, 1988 |
| Priority date | — |
| Expiry date | Feb 10, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2201/12
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An elongate deformable structure, that can be used as part of an eyeglass frame, for example, comprises a central core member made from a shape memory alloy. A plurality of annular members are threaded onto the core member. At least one of the annular members has at least one transverse surface disposed obliquely to the axis of the bore through it.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.