IE48438B1 - A process for producing lenses or other optical means - Google Patents
A process for producing lenses or other optical meansInfo
- Publication number
- IE48438B1 IE48438B1 IE1245/79A IE124579A IE48438B1 IE 48438 B1 IE48438 B1 IE 48438B1 IE 1245/79 A IE1245/79 A IE 1245/79A IE 124579 A IE124579 A IE 124579A IE 48438 B1 IE48438 B1 IE 48438B1
- Authority
- IE
- Ireland
- Prior art keywords
- monomer
- mold
- sleeve
- mold halves
- reservoir
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 34
- 230000008569 process Effects 0.000 title claims description 22
- 230000003287 optical effect Effects 0.000 title claims description 16
- 239000000178 monomer Substances 0.000 claims abstract description 81
- 229920000642 polymer Polymers 0.000 claims abstract description 51
- 238000005266 casting Methods 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 19
- 238000006116 polymerization reaction Methods 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 16
- 229920001187 thermosetting polymer Polymers 0.000 claims description 15
- 239000000126 substance Substances 0.000 claims description 9
- MCPKSFINULVDNX-UHFFFAOYSA-N drometrizole Chemical compound CC1=CC=C(O)C(N2N=C3C=CC=CC3=N2)=C1 MCPKSFINULVDNX-UHFFFAOYSA-N 0.000 claims description 7
- -1 isopropyl dicarbonate peroxide Chemical class 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- SYFOAKAXGNMQAX-UHFFFAOYSA-N bis(prop-2-enyl) carbonate;2-(2-hydroxyethoxy)ethanol Chemical group OCCOCCO.C=CCOC(=O)OCC=C SYFOAKAXGNMQAX-UHFFFAOYSA-N 0.000 claims description 4
- 230000008602 contraction Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 238000013459 approach Methods 0.000 claims description 2
- 239000003599 detergent Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 2
- 239000007864 aqueous solution Substances 0.000 claims 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims 1
- 238000012986 modification Methods 0.000 claims 1
- 230000004048 modification Effects 0.000 claims 1
- 239000011521 glass Substances 0.000 abstract description 9
- 238000010792 warming Methods 0.000 abstract description 5
- 229920003002 synthetic resin Polymers 0.000 abstract description 2
- 239000000057 synthetic resin Substances 0.000 abstract description 2
- 229920001577 copolymer Polymers 0.000 description 12
- 125000006850 spacer group Chemical group 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- JKJWYKGYGWOAHT-UHFFFAOYSA-N bis(prop-2-enyl) carbonate Chemical compound C=CCOC(=O)OCC=C JKJWYKGYGWOAHT-UHFFFAOYSA-N 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000000926 separation method Methods 0.000 description 6
- 239000007858 starting material Substances 0.000 description 6
- 239000006096 absorbing agent Substances 0.000 description 5
- 239000000460 chlorine Substances 0.000 description 5
- 229910052801 chlorine Inorganic materials 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 238000002386 leaching Methods 0.000 description 5
- 239000000654 additive Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 239000004342 Benzoyl peroxide Substances 0.000 description 2
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 2
- 239000012964 benzotriazole Substances 0.000 description 2
- 229960003328 benzoyl peroxide Drugs 0.000 description 2
- 235000019400 benzoyl peroxide Nutrition 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920001519 homopolymer Polymers 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 150000002978 peroxides Chemical class 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000002798 spectrophotometry method Methods 0.000 description 2
- 244000182067 Fraxinus ornus Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000001464 adherent effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000006392 deoxygenation reaction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 230000005499 meniscus Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 229940038597 peroxide anti-acne preparations for topical use Drugs 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- PFUVRDFDKPNGAV-UHFFFAOYSA-N sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 description 1
- MWNQXXOSWHCCOZ-UHFFFAOYSA-L sodium;oxido carbonate Chemical compound [Na+].[O-]OC([O-])=O MWNQXXOSWHCCOZ-UHFFFAOYSA-L 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004634 thermosetting polymer Substances 0.000 description 1
- 238000001429 visible spectrum Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
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
- B29D11/00413—Production of simple or compound lenses made by moulding between two mould parts which are not in direct contact with one another, e.g. comprising a seal between or on the edges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/0038—Moulds or cores; Details thereof or accessories therefor with sealing means or the like
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
- G02B1/041—Lenses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/76—Office equipment or accessories
- B29L2031/7602—Maps
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Ophthalmology & Optometry (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Optics & Photonics (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Lenses (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT23319/78A IT1094754B (it) | 1978-05-12 | 1978-05-12 | Procedimento per la fabbricazione tramite colata a compensazione continua di lenti o mezzi ottici in resine sintetiche polimerizzabili |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IE791245L IE791245L (en) | 1979-11-12 |
| IE48438B1 true IE48438B1 (en) | 1985-01-23 |
Family
ID=11206027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE1245/79A IE48438B1 (en) | 1978-05-12 | 1979-08-08 | A process for producing lenses or other optical means |
Country Status (22)
| Country | Link |
|---|---|
| JP (1) | JPS54149765A (fr) |
| AT (1) | AT391296B (fr) |
| AU (1) | AU526381B2 (fr) |
| BE (1) | BE876149A (fr) |
| BR (1) | BR7902929A (fr) |
| CA (1) | CA1135913A (fr) |
| CH (1) | CH641402A5 (fr) |
| DE (2) | DE2918323A1 (fr) |
| DK (1) | DK162590C (fr) |
| ES (1) | ES480497A1 (fr) |
| FR (1) | FR2425314A1 (fr) |
| GB (1) | GB2021474B (fr) |
| GR (1) | GR67597B (fr) |
| HK (1) | HK73587A (fr) |
| IE (1) | IE48438B1 (fr) |
| IL (1) | IL57252A0 (fr) |
| IT (1) | IT1094754B (fr) |
| LU (1) | LU81249A1 (fr) |
| MX (1) | MX151517A (fr) |
| NL (1) | NL7903713A (fr) |
| NO (1) | NO162009C (fr) |
| SE (1) | SE432219B (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1191569B (it) * | 1986-02-28 | 1988-03-23 | Nuova Sil Spa | Stampo per la produzione mediante colata di lenti organiche |
| ATE229427T1 (de) * | 1998-09-30 | 2002-12-15 | Novartis Erfind Verwalt Gmbh | Träger für linsenformen |
| US6511311B1 (en) | 1998-09-30 | 2003-01-28 | Novartis Ag | Lens mold carriers |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1166582A (fr) * | 1955-12-30 | 1958-11-13 | Combined Optical Ind Ltd | Procédé et appareil de moulage de lentilles et autres éléments optiques de précision |
| FR1204627A (fr) * | 1958-04-25 | 1960-01-27 | Lentilles Ophtalmiques Special | Perfectionnements à la fabrication de lentilles optiques et ophtalmiques en résinesynthétique thermodurcissable |
| US3171869A (en) * | 1959-12-07 | 1965-03-02 | Bausch & Lomb | Process for manufacturing curved optical articles |
| US3251908A (en) * | 1962-12-05 | 1966-05-17 | Computing Devices Canada | Method and apparatus for making a curved surface |
| DE2303551C3 (de) * | 1973-01-25 | 1981-05-14 | Transformatoren Union Ag, 7000 Stuttgart | Anlage zum Herstellen von Gießlingen aus Kunstharz im Druckgießverfahren |
| DE2312934C3 (de) * | 1973-03-15 | 1980-01-24 | Et. Dentaire Ivoclar, Schaan (Liechtenstein) | Verfahren und Vorrichtung zur Herstellung von Dentalprothesen aus Kunststoff |
| GB1511901A (en) * | 1974-05-06 | 1978-05-24 | Bausch & Lomb | Forming lenses and lens blanks |
| US4008031A (en) * | 1975-08-22 | 1977-02-15 | Weber Hermann P | Apparatus for injection molding lenses |
-
1978
- 1978-05-12 IT IT23319/78A patent/IT1094754B/it active
-
1979
- 1979-05-04 AT AT0334779A patent/AT391296B/de not_active IP Right Cessation
- 1979-05-04 CH CH419379A patent/CH641402A5/it not_active IP Right Cessation
- 1979-05-07 DE DE19792918323 patent/DE2918323A1/de not_active Ceased
- 1979-05-07 GR GR59036A patent/GR67597B/el unknown
- 1979-05-07 DE DE2954548A patent/DE2954548C2/de not_active Expired - Fee Related
- 1979-05-07 NO NO791516A patent/NO162009C/no unknown
- 1979-05-08 GB GB7915824A patent/GB2021474B/en not_active Expired
- 1979-05-08 SE SE7904019A patent/SE432219B/sv not_active IP Right Cessation
- 1979-05-09 BE BE6/46827A patent/BE876149A/fr not_active IP Right Cessation
- 1979-05-10 DK DK195179A patent/DK162590C/da active
- 1979-05-10 MX MX177595A patent/MX151517A/es unknown
- 1979-05-11 IL IL57252A patent/IL57252A0/xx not_active IP Right Cessation
- 1979-05-11 LU LU81249A patent/LU81249A1/fr unknown
- 1979-05-11 ES ES480497A patent/ES480497A1/es not_active Expired
- 1979-05-11 CA CA000327575A patent/CA1135913A/fr not_active Expired
- 1979-05-11 NL NL7903713A patent/NL7903713A/xx not_active Application Discontinuation
- 1979-05-11 FR FR7912078A patent/FR2425314A1/fr active Granted
- 1979-05-11 BR BR7902929A patent/BR7902929A/pt unknown
- 1979-05-12 JP JP5763979A patent/JPS54149765A/ja active Pending
- 1979-05-14 AU AU47032/79A patent/AU526381B2/en not_active Ceased
- 1979-08-08 IE IE1245/79A patent/IE48438B1/en not_active IP Right Cessation
-
1987
- 1987-10-07 HK HK735/87A patent/HK73587A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU4703279A (en) | 1979-11-29 |
| BR7902929A (pt) | 1979-12-04 |
| GR67597B (fr) | 1981-08-31 |
| SE432219B (sv) | 1984-03-26 |
| NO791516L (no) | 1979-11-13 |
| FR2425314B1 (fr) | 1984-01-13 |
| CA1135913A (fr) | 1982-11-23 |
| CH641402A5 (it) | 1984-02-29 |
| IT1094754B (it) | 1985-08-02 |
| GB2021474A (en) | 1979-12-05 |
| BE876149A (fr) | 1979-09-03 |
| ES480497A1 (es) | 1979-12-16 |
| JPS54149765A (en) | 1979-11-24 |
| NO162009C (no) | 1989-10-25 |
| SE7904019L (sv) | 1979-11-13 |
| AU526381B2 (en) | 1983-01-06 |
| MX151517A (es) | 1984-12-10 |
| HK73587A (en) | 1987-10-16 |
| NL7903713A (nl) | 1979-11-14 |
| NO162009B (no) | 1989-07-17 |
| FR2425314A1 (fr) | 1979-12-07 |
| IE791245L (en) | 1979-11-12 |
| DE2954548C2 (fr) | 1992-07-23 |
| IT7823319A0 (it) | 1978-05-12 |
| GB2021474B (en) | 1982-08-11 |
| DK195179A (da) | 1979-11-13 |
| LU81249A1 (fr) | 1979-09-10 |
| DK162590B (da) | 1991-11-18 |
| ATA334779A (de) | 1990-03-15 |
| AT391296B (de) | 1990-09-10 |
| DE2918323A1 (de) | 1979-12-06 |
| DK162590C (da) | 1992-04-06 |
| IL57252A0 (en) | 1979-09-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4497754A (en) | Casting plastic lenses from thermohardening monomer with compensation for polymer expansion and shrinkage | |
| US3423488A (en) | Process for casting resinous lenses in thermoplastic cast replica molds | |
| US3938775A (en) | Mold assembly for casting synthetic lenses | |
| EP0144622B1 (fr) | Dispositif et procédé de moulage par injection de lentilles | |
| US4382902A (en) | Method for molding contact lenses using ultraviolet energy | |
| US4008031A (en) | Apparatus for injection molding lenses | |
| US4921205A (en) | Lens mold assembly | |
| US6638451B1 (en) | Plastic casting molds | |
| EP0785854B1 (fr) | Procede pour traiter des pieces de moules en plastique | |
| US4095772A (en) | Casting apparatus for plastic lenses | |
| EP0404888B1 (fr) | Compositions pour lentilles de plastique et appareil pour les fabriquer | |
| SU674658A3 (ru) | Форма дл изготовлени контактных линз | |
| EP0345994B1 (fr) | Lentilles de contact, matériaux et procédés de fabrication | |
| KR20060051984A (ko) | 렌즈를 제조하는 방법 및 렌즈의 양쪽 면을 정밀 압착하는장치 | |
| CS260213B1 (en) | Method of polymerization casting of articles especially lenses from hydrophilic gels and equipment for realization of this method | |
| US3846013A (en) | Light-polarizing element | |
| JPS58193133A (ja) | 重合体材料からの充填剤入り物品の製造法 | |
| HU9501295D0 (en) | Method for molding a hydrophilic contact lens | |
| EP1719612A1 (fr) | Procédé et dispositif pour la fabrication d'objets optiques | |
| CA1135913A (fr) | Mode de fabrication de verres d'optique a base de resines synthetiques polymerisables | |
| FI70232C (fi) | Mjuka kontaktlinser och foerfarande foer deras framstaellning | |
| CA1235263A (fr) | Moule de coulee de verre d'optique | |
| CA1041719A (fr) | Methode et dispositif pour la fabrication d'articles plastiques moules | |
| JPS6119409B2 (fr) | ||
| GB2219241A (en) | Method and apparatus for moulding and casting using gated dies, and for moulding constant thickness lenses |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Patent lapsed |