ES445521A3 - Procedimiento para la fabricacion de lentes oftalmicas mul-tifocales fotocromicas. - Google Patents
Procedimiento para la fabricacion de lentes oftalmicas mul-tifocales fotocromicas.Info
- Publication number
- ES445521A3 ES445521A3 ES445521A ES445521A ES445521A3 ES 445521 A3 ES445521 A3 ES 445521A3 ES 445521 A ES445521 A ES 445521A ES 445521 A ES445521 A ES 445521A ES 445521 A3 ES445521 A3 ES 445521A3
- Authority
- ES
- Spain
- Prior art keywords
- lens
- main part
- photochromic
- glass
- main
- 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.)
- Expired
Links
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 239000011521 glass Substances 0.000 abstract 6
- 229910052709 silver Inorganic materials 0.000 abstract 2
- 239000004332 silver Substances 0.000 abstract 2
- -1 silver halides Chemical class 0.000 abstract 2
- 238000001816 cooling Methods 0.000 abstract 1
- 239000013078 crystal Substances 0.000 abstract 1
- 230000006911 nucleation Effects 0.000 abstract 1
- 238000010899 nucleation Methods 0.000 abstract 1
- 239000005368 silicate glass Substances 0.000 abstract 1
- 238000005496 tempering Methods 0.000 abstract 1
- 238000003466 welding Methods 0.000 abstract 1
Landscapes
- Glass Compositions (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES445521A ES445521A3 (es) | 1976-02-25 | 1976-02-25 | Procedimiento para la fabricacion de lentes oftalmicas mul-tifocales fotocromicas. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES445521A ES445521A3 (es) | 1976-02-25 | 1976-02-25 | Procedimiento para la fabricacion de lentes oftalmicas mul-tifocales fotocromicas. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES445521A3 true ES445521A3 (es) | 1976-11-16 |
Family
ID=8471020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES445521A Expired ES445521A3 (es) | 1976-02-25 | 1976-02-25 | Procedimiento para la fabricacion de lentes oftalmicas mul-tifocales fotocromicas. |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES445521A3 (es) |
-
1976
- 1976-02-25 ES ES445521A patent/ES445521A3/es not_active Expired
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