JPS5689715A - Spectacle frame - Google Patents
Spectacle frameInfo
- Publication number
- JPS5689715A JPS5689715A JP16849479A JP16849479A JPS5689715A JP S5689715 A JPS5689715 A JP S5689715A JP 16849479 A JP16849479 A JP 16849479A JP 16849479 A JP16849479 A JP 16849479A JP S5689715 A JPS5689715 A JP S5689715A
- Authority
- JP
- Japan
- Prior art keywords
- rims
- lenses
- modulus
- frames
- thin wires
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Eyeglasses (AREA)
Abstract
PURPOSE: To prevent lenses from being deformed and slipping from the frames by using a hot worked or heat treated super elastic alloy having a specified low Young's modulus as a material for the rims, etc.
CONSTITUTION: To hold lenses the upper half parts of them are engaged with rims, and the lower half parts are suspended from the rims with thin wires. At this time, the rims are made of known material such as German silver, and the thin wires of super elastic alloy of an Ni-Ti intermetallic compound having a low Young's modulus such as E≤10,000kg/mm2. Thus, frames especially fit for plastic lenses having a high thermal expansion coefft. can be obtd.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16849479A JPS5689715A (en) | 1979-12-24 | 1979-12-24 | Spectacle frame |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16849479A JPS5689715A (en) | 1979-12-24 | 1979-12-24 | Spectacle frame |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5689715A true JPS5689715A (en) | 1981-07-21 |
Family
ID=15869121
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16849479A Pending JPS5689715A (en) | 1979-12-24 | 1979-12-24 | Spectacle frame |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5689715A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4772112A (en) * | 1984-11-30 | 1988-09-20 | Cvi/Beta Ventures, Inc. | Eyeglass frame including shape-memory elements |
US4895438A (en) * | 1983-12-06 | 1990-01-23 | Cvi/Beta Ventures, Inc. | Eyeglass frame including shape-memory elements |
US4896955A (en) * | 1983-12-06 | 1990-01-30 | Cvi/Beta Ventures, Inc. | Eyeglass frame including shape-memory elements |
-
1979
- 1979-12-24 JP JP16849479A patent/JPS5689715A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4895438A (en) * | 1983-12-06 | 1990-01-23 | Cvi/Beta Ventures, Inc. | Eyeglass frame including shape-memory elements |
US4896955A (en) * | 1983-12-06 | 1990-01-30 | Cvi/Beta Ventures, Inc. | Eyeglass frame including shape-memory elements |
US4772112A (en) * | 1984-11-30 | 1988-09-20 | Cvi/Beta Ventures, Inc. | Eyeglass frame including shape-memory elements |
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