DE2338858A1 - Verfahren und vorrichtung zum kantenschleifen von augenglaesern, insbesondere flexiblen kontaktlinsen - Google Patents
Verfahren und vorrichtung zum kantenschleifen von augenglaesern, insbesondere flexiblen kontaktlinsenInfo
- Publication number
- DE2338858A1 DE2338858A1 DE19732338858 DE2338858A DE2338858A1 DE 2338858 A1 DE2338858 A1 DE 2338858A1 DE 19732338858 DE19732338858 DE 19732338858 DE 2338858 A DE2338858 A DE 2338858A DE 2338858 A1 DE2338858 A1 DE 2338858A1
- Authority
- DE
- Germany
- Prior art keywords
- lens
- edge
- material removal
- contact
- rotatable
- 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
- 238000000034 method Methods 0.000 title claims description 10
- 238000007688 edging Methods 0.000 title claims description 6
- 239000011521 glass Substances 0.000 title description 2
- 239000000463 material Substances 0.000 claims description 58
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 4
- 235000011187 glycerol Nutrition 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims description 3
- 239000000314 lubricant Substances 0.000 claims description 3
- 239000002826 coolant Substances 0.000 claims description 2
- 238000006748 scratching Methods 0.000 claims description 2
- 230000002393 scratching effect Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 3
- 206010000496 acne Diseases 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 239000007779 soft material Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 description 3
- 239000000017 hydrogel Substances 0.000 description 2
- 229920001477 hydrophilic polymer Polymers 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 241000282376 Panthera tigris Species 0.000 description 1
- 229920005372 Plexiglas® Polymers 0.000 description 1
- 238000009750 centrifugal casting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000012858 resilient material Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000002759 woven fabric Substances 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
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
- B24B9/08—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass
- B24B9/14—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of optical work, e.g. lenses, prisms
- B24B9/142—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of optical work, e.g. lenses, prisms for contact lenses
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Eyeglasses (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US27955572A | 1972-08-10 | 1972-08-10 | |
| US00279554A US3835596A (en) | 1972-08-10 | 1972-08-10 | Apparatus for and method of removing material from a flexible contact lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2338858A1 true DE2338858A1 (de) | 1974-02-14 |
Family
ID=26959741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19732338858 Pending DE2338858A1 (de) | 1972-08-10 | 1973-07-31 | Verfahren und vorrichtung zum kantenschleifen von augenglaesern, insbesondere flexiblen kontaktlinsen |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS4960241A (enExample) |
| AR (1) | AR201488A1 (enExample) |
| DE (1) | DE2338858A1 (enExample) |
| FR (1) | FR2195930A5 (enExample) |
| GB (1) | GB1445197A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2447490A1 (de) * | 1973-10-06 | 1975-04-17 | Global Vision Uk Ltd | Herstellung von weichen kontaktlinsen |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5593121A (en) * | 1979-01-09 | 1980-07-15 | Toray Ind Inc | Method and apparatus for processing peripheral edge of soft contact lens |
| US4534723A (en) * | 1984-01-30 | 1985-08-13 | International Hydron Corporation | Cutting device for the precision trimming of the edge of a centrifugally cast lens |
| FR2875155B1 (fr) * | 2004-09-10 | 2006-12-08 | Essilor Int | Outil de polissage comportant un plateau d'entrainement et un patin amovible pour la finition d'une lentille ophtalmique |
| RU2514253C1 (ru) * | 2012-11-01 | 2014-04-27 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Омский государственный технический университет" | Способ упрочнения деталей поверхностным пластическим деформированием |
-
1973
- 1973-07-25 FR FR7327180A patent/FR2195930A5/fr not_active Expired
- 1973-07-31 DE DE19732338858 patent/DE2338858A1/de active Pending
- 1973-08-02 GB GB3683573A patent/GB1445197A/en not_active Expired
- 1973-08-08 AR AR24951073A patent/AR201488A1/es active
- 1973-08-10 JP JP8990273A patent/JPS4960241A/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2447490A1 (de) * | 1973-10-06 | 1975-04-17 | Global Vision Uk Ltd | Herstellung von weichen kontaktlinsen |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2195930A5 (enExample) | 1974-03-08 |
| JPS4960241A (enExample) | 1974-06-11 |
| AR201488A1 (es) | 1975-03-21 |
| GB1445197A (en) | 1976-08-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHJ | Non-payment of the annual fee |