AU2005205097B2 - Moulding process - Google Patents
Moulding process Download PDFInfo
- Publication number
- AU2005205097B2 AU2005205097B2 AU2005205097A AU2005205097A AU2005205097B2 AU 2005205097 B2 AU2005205097 B2 AU 2005205097B2 AU 2005205097 A AU2005205097 A AU 2005205097A AU 2005205097 A AU2005205097 A AU 2005205097A AU 2005205097 B2 AU2005205097 B2 AU 2005205097B2
- Authority
- AU
- Australia
- Prior art keywords
- soft contact
- producing
- contact lenses
- lenses according
- shaped lens
- 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.)
- Ceased
Links
- 238000000034 method Methods 0.000 title claims abstract description 75
- 230000008569 process Effects 0.000 title claims description 31
- 238000000465 moulding Methods 0.000 title claims description 16
- 239000000463 material Substances 0.000 claims abstract description 50
- 239000007787 solid Substances 0.000 claims abstract description 4
- 229920000642 polymer Polymers 0.000 claims description 41
- 238000004132 cross linking Methods 0.000 claims description 16
- 238000003856 thermoforming Methods 0.000 claims description 13
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 11
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 10
- 229920001577 copolymer Polymers 0.000 claims description 8
- 230000007062 hydrolysis Effects 0.000 claims description 5
- 238000006460 hydrolysis reaction Methods 0.000 claims description 5
- 229920002689 polyvinyl acetate Polymers 0.000 claims description 5
- 239000011118 polyvinyl acetate Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims description 4
- 239000000654 additive Substances 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000036571 hydration Effects 0.000 claims description 3
- 238000006703 hydration reaction Methods 0.000 claims description 3
- 238000003698 laser cutting Methods 0.000 claims description 3
- 238000007127 saponification reaction Methods 0.000 claims description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 2
- 239000005977 Ethylene Substances 0.000 claims description 2
- 230000000887 hydrating effect Effects 0.000 claims description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 2
- 239000001863 hydroxypropyl cellulose Substances 0.000 claims description 2
- 229940071676 hydroxypropylcellulose Drugs 0.000 claims description 2
- 238000001746 injection moulding Methods 0.000 claims description 2
- 229940044600 maleic anhydride Drugs 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 238000002604 ultrasonography Methods 0.000 claims description 2
- 238000007666 vacuum forming Methods 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims 2
- 238000007906 compression Methods 0.000 claims 2
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 claims 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 claims 1
- 239000006163 transport media Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 17
- 238000010923 batch production Methods 0.000 abstract description 2
- 238000010924 continuous production Methods 0.000 abstract description 2
- 238000001723 curing Methods 0.000 description 10
- 238000010894 electron beam technology Methods 0.000 description 8
- 239000000178 monomer Substances 0.000 description 8
- 230000003287 optical effect Effects 0.000 description 7
- 238000004806 packaging method and process Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 239000000017 hydrogel Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- KOMNUTZXSVSERR-UHFFFAOYSA-N 1,3,5-tris(prop-2-enyl)-1,3,5-triazinane-2,4,6-trione Chemical compound C=CCN1C(=O)N(CC=C)C(=O)N(CC=C)C1=O KOMNUTZXSVSERR-UHFFFAOYSA-N 0.000 description 1
- BJELTSYBAHKXRW-UHFFFAOYSA-N 2,4,6-triallyloxy-1,3,5-triazine Chemical compound C=CCOC1=NC(OCC=C)=NC(OCC=C)=N1 BJELTSYBAHKXRW-UHFFFAOYSA-N 0.000 description 1
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
- 206010073306 Exposure to radiation Diseases 0.000 description 1
- 238000003848 UV Light-Curing Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000002894 chemical waste Substances 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 229920006037 cross link polymer Polymers 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000012377 drug delivery Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229920000578 graft copolymer Polymers 0.000 description 1
- 230000036512 infertility Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- JKJJSJJGBZXUQV-UHFFFAOYSA-N methyl 2-methylidenebutanoate Chemical compound CCC(=C)C(=O)OC JKJJSJJGBZXUQV-UHFFFAOYSA-N 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000008174 sterile solution Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000007704 wet chemistry method Methods 0.000 description 1
- 230000029663 wound healing Effects 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
-
- 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
- B29D11/00038—Production of contact lenses
-
- 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
- B29D11/00038—Production of contact lenses
- B29D11/00259—Plants for the production of contact lenses
-
- 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
-
- 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
- G02B1/043—Contact lenses
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Ophthalmology & Optometry (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Eyeglasses (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
- Glass Compositions (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0400666.4 | 2004-01-13 | ||
| GB0400666A GB0400666D0 (en) | 2004-01-13 | 2004-01-13 | Moulding process |
| GB0422966.2 | 2004-10-18 | ||
| GB0422966A GB0422966D0 (en) | 2004-10-18 | 2004-10-18 | Removal of moulded parts |
| GB0425105.4 | 2004-11-15 | ||
| GB0425105A GB0425105D0 (en) | 2004-11-15 | 2004-11-15 | Moulding process |
| PCT/GB2005/000107 WO2005068164A2 (en) | 2004-01-13 | 2005-01-13 | Moulding process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU2005205097A1 AU2005205097A1 (en) | 2005-07-28 |
| AU2005205097B2 true AU2005205097B2 (en) | 2010-08-05 |
Family
ID=34799124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2005205097A Ceased AU2005205097B2 (en) | 2004-01-13 | 2005-01-13 | Moulding process |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US8293154B2 (cg-RX-API-DMAC7.html) |
| EP (1) | EP1706256B1 (cg-RX-API-DMAC7.html) |
| JP (1) | JP4895822B2 (cg-RX-API-DMAC7.html) |
| KR (1) | KR101157487B1 (cg-RX-API-DMAC7.html) |
| AT (1) | ATE416907T1 (cg-RX-API-DMAC7.html) |
| AU (1) | AU2005205097B2 (cg-RX-API-DMAC7.html) |
| BR (1) | BRPI0506855B1 (cg-RX-API-DMAC7.html) |
| CA (1) | CA2553274C (cg-RX-API-DMAC7.html) |
| DE (1) | DE602005011569D1 (cg-RX-API-DMAC7.html) |
| MX (1) | MXPA06007990A (cg-RX-API-DMAC7.html) |
| WO (1) | WO2005068164A2 (cg-RX-API-DMAC7.html) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0611443D0 (en) * | 2006-06-09 | 2006-07-19 | Powderject Res Ltd | Improvements in, or relating to, particle cassettes |
| JP5618053B2 (ja) * | 2010-03-24 | 2014-11-05 | 株式会社日本コンタクトレンズ | コンタクトレンズ、及びその製造方法 |
| US9481124B2 (en) * | 2013-03-15 | 2016-11-01 | Johnson & Johnson Vision Care, Inc. | Method and apparatus for forming thermoformed ophthalmic insert devices |
| US20210162692A1 (en) * | 2019-12-02 | 2021-06-03 | Bausch & Lomb Ireland Limited | Direct compression molded ophthalmic devices |
| WO2021191657A1 (en) * | 2020-03-23 | 2021-09-30 | Gilia Andrei | Method for manufacturing all types of rigid gas permeable contact lenses |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2119957A (en) * | 1982-04-29 | 1983-11-23 | Agripat Sa | Annealed polyvinyl alcohol contact lens |
| EP0131227A2 (de) * | 1983-07-12 | 1985-01-16 | Bayer Ag | Verfahren zur Herstellung von kontaktoptischen Gegenständen |
| US4786446A (en) * | 1985-05-17 | 1988-11-22 | Minnesota Mining And Manufacturing Company | Process of forming a hydroxy-substitute polymeric shaped article |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB699014A (en) | 1949-03-28 | 1953-10-28 | Mueller Welt G M B H | Improved manner of manufacture of contact lenses |
| GB819474A (en) | 1955-05-13 | 1959-09-02 | Frederick Thomas Ridley | Contact lenses |
| GB2105866B (en) | 1981-07-29 | 1985-05-09 | Lynell Med Tech Inc | Intraocular and extraocular lens construction and making by selective erosion |
| US4402579A (en) * | 1981-07-29 | 1983-09-06 | Lynell Medical Technology Inc. | Contact-lens construction |
| JPS60108408A (ja) | 1983-11-16 | 1985-06-13 | Asahi Chem Ind Co Ltd | 共役ジエン重合体の製造法 |
| US4652721A (en) * | 1985-01-03 | 1987-03-24 | Dow Corning Corporation | Method and apparatus for edge contouring lenses |
| JPH02235729A (ja) * | 1989-03-10 | 1990-09-18 | Hitachi Ltd | プラスチック光学部品の製造方法およびその装置 |
| US5166528A (en) * | 1991-10-04 | 1992-11-24 | Le Vay Thurston C | Microwave-actuated ultraviolet sterilizer |
| JPH0767735B2 (ja) * | 1992-02-18 | 1995-07-26 | 岐阜プラスチック工業株式会社 | 真空成形品の打抜き方法 |
| US5597519A (en) | 1994-06-10 | 1997-01-28 | Johnson & Johnson Vision Products, Inc. | Ultraviolet cycling oven for polymerization of contact lenses |
| JP3623575B2 (ja) * | 1995-12-28 | 2005-02-23 | 三菱樹脂株式会社 | プラスチックシートの熱成形装置及び熱成形方法 |
| US6113817A (en) * | 1997-03-25 | 2000-09-05 | Novartis Ag | Molding processes |
| AR011459A1 (es) | 1997-03-25 | 2000-08-16 | Novartis Ag | Proceso para la produccion de una pluralidad de moldeos, proceso para limpiar un molde oftalmico, proceso para centrar un molde oftalmico sobre unamitad de molde hembra, proceso para asegurar que un lente oftalmico se localice sobre una mitad de molde seleccionada, proceso para inspeccionar las area |
| US20040112008A1 (en) * | 1998-12-21 | 2004-06-17 | Voss Leslie A. | Heat seal apparatus for lens packages |
| WO2001015497A1 (en) | 1999-08-23 | 2001-03-01 | Bausch & Lomb Incorporated | Method of and system for controlled curing of polymers used in contact lens manufacture |
| US6474465B1 (en) * | 1999-11-19 | 2002-11-05 | Novartis Ag | Blister package |
| US6765661B2 (en) * | 2001-03-09 | 2004-07-20 | Novartis Ag | Lens inspection |
-
2005
- 2005-01-13 DE DE602005011569T patent/DE602005011569D1/de not_active Expired - Lifetime
- 2005-01-13 MX MXPA06007990A patent/MXPA06007990A/es active IP Right Grant
- 2005-01-13 US US10/597,172 patent/US8293154B2/en not_active Expired - Fee Related
- 2005-01-13 JP JP2006548396A patent/JP4895822B2/ja not_active Expired - Fee Related
- 2005-01-13 WO PCT/GB2005/000107 patent/WO2005068164A2/en not_active Ceased
- 2005-01-13 AT AT05701875T patent/ATE416907T1/de not_active IP Right Cessation
- 2005-01-13 EP EP05701875A patent/EP1706256B1/en not_active Expired - Lifetime
- 2005-01-13 CA CA2553274A patent/CA2553274C/en not_active Expired - Fee Related
- 2005-01-13 BR BRPI0506855-0A patent/BRPI0506855B1/pt not_active IP Right Cessation
- 2005-01-13 KR KR1020067015620A patent/KR101157487B1/ko not_active Expired - Fee Related
- 2005-01-13 AU AU2005205097A patent/AU2005205097B2/en not_active Ceased
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2119957A (en) * | 1982-04-29 | 1983-11-23 | Agripat Sa | Annealed polyvinyl alcohol contact lens |
| EP0131227A2 (de) * | 1983-07-12 | 1985-01-16 | Bayer Ag | Verfahren zur Herstellung von kontaktoptischen Gegenständen |
| US4786446A (en) * | 1985-05-17 | 1988-11-22 | Minnesota Mining And Manufacturing Company | Process of forming a hydroxy-substitute polymeric shaped article |
Also Published As
| Publication number | Publication date |
|---|---|
| US20080315444A1 (en) | 2008-12-25 |
| WO2005068164A3 (en) | 2005-09-15 |
| US8293154B2 (en) | 2012-10-23 |
| WO2005068164A2 (en) | 2005-07-28 |
| JP4895822B2 (ja) | 2012-03-14 |
| EP1706256A2 (en) | 2006-10-04 |
| JP2007520373A (ja) | 2007-07-26 |
| ATE416907T1 (de) | 2008-12-15 |
| BRPI0506855B1 (pt) | 2015-08-11 |
| HK1093468A1 (en) | 2007-03-02 |
| CA2553274C (en) | 2013-03-12 |
| CA2553274A1 (en) | 2005-07-28 |
| DE602005011569D1 (de) | 2009-01-22 |
| KR20060126756A (ko) | 2006-12-08 |
| MXPA06007990A (es) | 2007-01-26 |
| BRPI0506855A (pt) | 2007-05-29 |
| EP1706256B1 (en) | 2008-12-10 |
| KR101157487B1 (ko) | 2012-07-06 |
| AU2005205097A1 (en) | 2005-07-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FGA | Letters patent sealed or granted (standard patent) | ||
| MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |