JPH045287Y2 - - Google Patents
Info
- Publication number
- JPH045287Y2 JPH045287Y2 JP11766087U JP11766087U JPH045287Y2 JP H045287 Y2 JPH045287 Y2 JP H045287Y2 JP 11766087 U JP11766087 U JP 11766087U JP 11766087 U JP11766087 U JP 11766087U JP H045287 Y2 JPH045287 Y2 JP H045287Y2
- Authority
- JP
- Japan
- Prior art keywords
- lens
- gasket
- mold
- upper mold
- wall flange
- 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
- 229920003023 plastic Polymers 0.000 claims description 10
- 239000004033 plastic Substances 0.000 claims description 10
- 238000000465 moulding Methods 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 5
- 239000011324 bead Substances 0.000 description 8
- 239000000178 monomer Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 208000001491 myopia Diseases 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 4
- 201000009310 astigmatism Diseases 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000011265 semifinished product Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004438 eyesight Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- SYFOAKAXGNMQAX-UHFFFAOYSA-N bis(prop-2-enyl) carbonate;2-(2-hydroxyethoxy)ethanol Chemical compound OCCOCCO.C=CCOC(=O)OCC=C SYFOAKAXGNMQAX-UHFFFAOYSA-N 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000004305 hyperopia Effects 0.000 description 1
- 201000006318 hyperopia Diseases 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004379 myopia Effects 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11766087U JPH045287Y2 (fr) | 1987-07-31 | 1987-07-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11766087U JPH045287Y2 (fr) | 1987-07-31 | 1987-07-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6422408U JPS6422408U (fr) | 1989-02-06 |
| JPH045287Y2 true JPH045287Y2 (fr) | 1992-02-14 |
Family
ID=31361311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11766087U Expired JPH045287Y2 (fr) | 1987-07-31 | 1987-07-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH045287Y2 (fr) |
-
1987
- 1987-07-31 JP JP11766087U patent/JPH045287Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6422408U (fr) | 1989-02-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4441795A (en) | Molded multifocal lens and mold assembly | |
| US6099763A (en) | Method and apparatus for filling a lens-forming device with a curable fluid | |
| CA1098268A (fr) | Methode et appareil pour mouler des lentilles optiques a simple ou a double foyer dans une matiere plastique | |
| EP0742753B1 (fr) | Procede de moulage par coulee de lentilles de contact toriques | |
| US5210695A (en) | Single block mounting system for surfacing and edging of a lens blank and method therefor | |
| US6103148A (en) | Method for curing a lens-forming fluid | |
| US3460928A (en) | Method of making lens molds | |
| US4693446A (en) | Gasket for molding plastic lenses | |
| CN1980779B (zh) | 成形模的设计方法、成形模及成形品 | |
| WO1995020483A9 (fr) | Procede de moulage par coulee de lentilles de contact toriques | |
| KR20150079617A (ko) | 광학 렌즈 제조 방법 및 이와 같은 렌즈 제조를 위한 조립체 | |
| US3649236A (en) | Manufacture of multifocal ophthalmic lens molds | |
| US3865178A (en) | Apparatus for casting a holding block on an ophthalmic lens | |
| JPH045287Y2 (fr) | ||
| JP2003511261A (ja) | 成型レンズの在庫管理方法 | |
| US3697629A (en) | Method and product of making multifocal contact lenses and lens blanks | |
| US2033101A (en) | Ophthalmic lens | |
| US11555758B2 (en) | Method and system of measuring toric lens axis angle | |
| JPH0726086Y2 (ja) | プラスチック多焦点眼鏡レンズ用モールド | |
| JP2507643Y2 (ja) | 単焦点非球面眼鏡レンズ | |
| US2360641A (en) | Lens and process of making same | |
| JPH0999444A (ja) | プラスチック多焦点眼鏡レンズ用モールドおよびセミフィニッシュレンズ | |
| JPH0533884B2 (fr) | ||
| JP4780937B2 (ja) | 成形型の設計方法、成形型及び成形型の製造方法 | |
| CN102858523B (zh) | 测量复曲面式镜片的轴线角的方法和装置 |