JPS5746417B2 - - Google Patents
Info
- Publication number
- JPS5746417B2 JPS5746417B2 JP50037698A JP3769875A JPS5746417B2 JP S5746417 B2 JPS5746417 B2 JP S5746417B2 JP 50037698 A JP50037698 A JP 50037698A JP 3769875 A JP3769875 A JP 3769875A JP S5746417 B2 JPS5746417 B2 JP S5746417B2
- Authority
- JP
- Japan
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/00019—Production of simple or compound lenses with non-spherical faces, e.g. toric faces
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ophthalmology & Optometry (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Eyeglasses (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7411177A FR2265515B1 (e) | 1974-03-29 | 1974-03-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS50134447A JPS50134447A (e) | 1975-10-24 |
| JPS5746417B2 true JPS5746417B2 (e) | 1982-10-02 |
Family
ID=9137063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50037698A Expired JPS5746417B2 (e) | 1974-03-29 | 1975-03-28 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4018587A (e) |
| JP (1) | JPS5746417B2 (e) |
| DE (1) | DE2513794C2 (e) |
| FR (1) | FR2265515B1 (e) |
| GB (1) | GB1441740A (e) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2329427A1 (fr) * | 1975-10-30 | 1977-05-27 | Essilor Int | Procede pour la realisation d'une lentille ophtalmique a puissance focale progressivement variable, et palet semi-fini formant un produit intermediaire dans ce procede |
| DE3117474A1 (de) * | 1981-05-02 | 1982-11-18 | Fa. Carl Zeiss, 7920 Heidenheim | Verfahren und vorrichtung zum herstellen von formteilen mit asphaerischen oberflaechen |
| DE3813507A1 (de) * | 1988-04-22 | 1989-11-02 | Walter Vieweg | Optische hilfsmittel, und befestigung derer, zur korrektion von fehlsichtigkeiten, insbesondere bei schwimm- und taucherbrillen |
| US5141678A (en) * | 1990-10-10 | 1992-08-25 | Blum Ronald D | Method for forming disposable molds for producing optical quality lenses |
| US5583589A (en) * | 1995-07-07 | 1996-12-10 | Phillips Lens Co., Inc. | Process for forming a monocentric seamless bifocal lens |
| JP5042032B2 (ja) * | 2005-11-18 | 2012-10-03 | Ｈｏｙａ株式会社 | 成形品の製造方法、ガラス素材、ならびにガラス素材および成形型の面形状決定方法 |
| JP5121458B2 (ja) * | 2005-11-18 | 2013-01-16 | Ｈｏｙａ株式会社 | 成形品の製造方法、成形型およびその製造方法 |
| KR101355370B1 (ko) * | 2005-11-30 | 2014-01-23 | 호야 가부시키가이샤 | 성형품의 제조 방법, 폐색 부재 및 이를 포함하는 성형장치 |
| JP4623012B2 (ja) * | 2006-02-22 | 2011-02-02 | セイコーエプソン株式会社 | 多焦点レンズの製造方法 |
| US20110133352A1 (en) * | 2008-05-30 | 2011-06-09 | Hoya Corporation | Method of manufacturing lens casting mold |
| JP5496179B2 (ja) * | 2009-02-27 | 2014-05-21 | Ｈｏｙａ株式会社 | レンズ用鋳型の製造方法および眼鏡レンズの製造方法 |
| JP5615799B2 (ja) * | 2009-02-27 | 2014-10-29 | Hoya株式会社 | レンズ用鋳型の製造方法および眼鏡レンズの製造方法 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US901659A (en) * | 1908-03-02 | 1908-10-20 | Frederick A Stevens | Method of making bifocal lenses. |
| US1619341A (en) * | 1925-08-10 | 1927-03-01 | American Optical Corp | Ophthalmic lens |
| US2015007A (en) * | 1933-04-04 | 1935-09-17 | United Kingdom Optical Company | Manufacture of lenses and glasses |
| US2394934A (en) * | 1942-04-25 | 1946-02-12 | Libbey Owens Ford Glass Co | Process of producing ophthalmic lenses |
| US2482698A (en) * | 1943-05-06 | 1949-09-20 | American Optical Corp | Optical lens means having a nonspherical refracting surface |
| US2890486A (en) * | 1955-08-29 | 1959-06-16 | American Optical Corp | Mold for producing lens of any shape from a polymerizable material |
| US3297422A (en) * | 1963-04-05 | 1967-01-10 | Unvivis Inc | Method of making molds for multifocal ophthalmic lenses |
| GB1163002A (en) * | 1966-05-06 | 1969-09-04 | Kirk Optical Lens Co Inc | Light transmitting element. |
| US3889431A (en) * | 1973-09-04 | 1975-06-17 | Celestron Pacific | Method for making schmidt corrector lenses |
| US3946982A (en) * | 1974-09-03 | 1976-03-30 | Textron, Inc. | Adjustable mold for direct casting of plastic multifocal lenses |
-
1974
- 1974-03-29 FR FR7411177A patent/FR2265515B1/fr not_active Expired
-
1975
- 1975-03-21 GB GB1194675A patent/GB1441740A/en not_active Expired
- 1975-03-25 US US05/562,038 patent/US4018587A/en not_active Expired - Lifetime
- 1975-03-27 DE DE2513794A patent/DE2513794C2/de not_active Expired
- 1975-03-28 JP JP50037698A patent/JPS5746417B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2265515A1 (e) | 1975-10-24 |
| FR2265515B1 (e) | 1976-10-08 |
| DE2513794C2 (de) | 1984-10-04 |
| DE2513794A1 (de) | 1975-10-09 |
| JPS50134447A (e) | 1975-10-24 |
| GB1441740A (en) | 1976-07-07 |
| US4018587A (en) | 1977-04-19 |