DE2208444A1 - Linsentragkörper - Google Patents
LinsentragkörperInfo
- Publication number
- DE2208444A1 DE2208444A1 DE19722208444 DE2208444A DE2208444A1 DE 2208444 A1 DE2208444 A1 DE 2208444A1 DE 19722208444 DE19722208444 DE 19722208444 DE 2208444 A DE2208444 A DE 2208444A DE 2208444 A1 DE2208444 A1 DE 2208444A1
- Authority
- DE
- Germany
- Prior art keywords
- lens
- support body
- cavity
- passage opening
- fastening material
- 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
- 239000000463 material Substances 0.000 claims description 32
- 229920003023 plastic Polymers 0.000 description 7
- 239000000956 alloy Substances 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 6
- 239000011521 glass Substances 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000006096 absorbing agent Substances 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001605 fetal effect Effects 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
- B24B13/005—Blocking means, chucks or the like; Alignment devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11831871A | 1971-02-24 | 1971-02-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2208444A1 true DE2208444A1 (de) | 1972-09-28 |
Family
ID=22377858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722208444 Pending DE2208444A1 (de) | 1971-02-24 | 1972-02-23 | Linsentragkörper |
Country Status (7)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3543003A1 (de) | 2018-03-23 | 2019-09-25 | Carl Zeiss Vision International GmbH | Brillenglasrohling sowie verfahren und vorrichtung zum herstellen eines brillenglases aus einem brillenglasrohling |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2123733B (en) * | 1982-05-14 | 1986-11-19 | Coopervision | Machining contact lenses |
| JPS6435168A (en) * | 1987-07-31 | 1989-02-06 | Honda Motor Co Ltd | Control device for vehicle continuously variable transmission |
| US5210695A (en) * | 1990-10-26 | 1993-05-11 | Gerber Optical, Inc. | Single block mounting system for surfacing and edging of a lens blank and method therefor |
| MX9101663A (es) * | 1990-10-29 | 1992-06-05 | Pilkington Visioncare Inc | Componentes termoplasticos reforzados para usarse en la fabricacion de lentes oftalmicos y metodos para elaborar estos componentes |
| US5269102A (en) * | 1991-06-19 | 1993-12-14 | Gerber Optical, Inc. | Disposable lap blank |
| US5177907A (en) * | 1991-11-12 | 1993-01-12 | Summitt Molding & Engineering, Inc. | Plastic lens block with ribs |
| JPH07509411A (ja) * | 1992-07-17 | 1995-10-19 | ミネソタ マイニング アンド マニュファクチャリング カンパニー | レンズ処理法とそれに使用する手段 |
| US5649856A (en) * | 1995-12-13 | 1997-07-22 | Coburn Optical Industries, Inc. | Tear-away block for an ophthalmic lens |
| US6110016A (en) * | 1998-06-22 | 2000-08-29 | Ppg Industries Ohio, Inc. | Lens block and method of processing lenses |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3140568A (en) * | 1963-02-28 | 1964-07-14 | Univis Inc | Lens blocking device |
| US3353307A (en) * | 1964-10-29 | 1967-11-21 | Titmus Optical Company Inc | Lens holder for metallic blocking system |
| US3355342A (en) * | 1965-02-26 | 1967-11-28 | Armorlite Lens Company Inc | Method of supporting lens blanks for grinding and polishing |
| US3383808A (en) * | 1965-05-25 | 1968-05-21 | Lunette De Paris Inc | Lens block |
-
1971
- 1971-02-24 US US118318A patent/US3704558A/en not_active Expired - Lifetime
-
1972
- 1972-02-08 CA CA134,206A patent/CA958426A/en not_active Expired
- 1972-02-11 GB GB652572A patent/GB1386441A/en not_active Expired
- 1972-02-16 JP JP1572972A patent/JPS5520822B1/ja active Pending
- 1972-02-23 DE DE19722208444 patent/DE2208444A1/de active Pending
- 1972-02-23 FR FR727206168A patent/FR2131970B1/fr not_active Expired
- 1972-02-24 BE BE779818A patent/BE779818A/xx unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3543003A1 (de) | 2018-03-23 | 2019-09-25 | Carl Zeiss Vision International GmbH | Brillenglasrohling sowie verfahren und vorrichtung zum herstellen eines brillenglases aus einem brillenglasrohling |
| WO2019180251A1 (de) | 2018-03-23 | 2019-09-26 | Carl Zeiss Vision International Gmbh | Brillenglasrohling sowie verfahren und vorrichtung zum herstellen eines brillenglases aus einem brillenglasrohling |
| US11086141B2 (en) | 2018-03-23 | 2021-08-10 | Carl Zeiss Vision International Gmbh | Spectacle lens blank, and method and device for producing a spectacle lens from a spectacle lens blank |
Also Published As
| Publication number | Publication date |
|---|---|
| BE779818A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-06-16 |
| US3704558A (en) | 1972-12-05 |
| FR2131970A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-11-17 |
| CA958426A (en) | 1974-11-26 |
| JPS5520822B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-06-05 |
| FR2131970B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-06-29 |
| GB1386441A (en) | 1975-03-05 |
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