IT977723B - Lente per occhiali di vetro crown temprata chimicamente - Google Patents
Lente per occhiali di vetro crown temprata chimicamenteInfo
- Publication number
- IT977723B IT977723B IT6722273A IT6722273A IT977723B IT 977723 B IT977723 B IT 977723B IT 6722273 A IT6722273 A IT 6722273A IT 6722273 A IT6722273 A IT 6722273A IT 977723 B IT977723 B IT 977723B
- Authority
- IT
- Italy
- Prior art keywords
- glasses lens
- chemically hardened
- crown glasses
- crown
- hardened
- Prior art date
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2205844A DE2205844C3 (de) | 1972-02-08 | 1972-02-08 | Durch Alkaliionenaustausch chemisch gehärtetes Brillen-Fernteilglas |
Publications (1)
Publication Number | Publication Date |
---|---|
IT977723B true IT977723B (it) | 1974-09-20 |
Family
ID=5835365
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT6722273A IT977723B (it) | 1972-02-08 | 1973-02-02 | Lente per occhiali di vetro crown temprata chimicamente |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS5434767B2 (it) |
IT (1) | IT977723B (it) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5664939B2 (ja) * | 2013-04-04 | 2015-02-04 | 日本電気硝子株式会社 | 強化ガラスの製造方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3790260A (en) * | 1972-01-03 | 1974-02-05 | Corning Glass Works | High strength ophthalmic lens |
-
1973
- 1973-02-02 IT IT6722273A patent/IT977723B/it active
- 1973-02-07 JP JP1482173A patent/JPS5434767B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5434767B2 (it) | 1979-10-29 |
JPS4896611A (it) | 1973-12-10 |
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