SG11201803719RA - Process for manufacturing contact lenses - Google Patents
Process for manufacturing contact lensesInfo
- Publication number
- SG11201803719RA SG11201803719RA SG11201803719RA SG11201803719RA SG11201803719RA SG 11201803719R A SG11201803719R A SG 11201803719RA SG 11201803719R A SG11201803719R A SG 11201803719RA SG 11201803719R A SG11201803719R A SG 11201803719RA SG 11201803719R A SG11201803719R A SG 11201803719RA
- Authority
- SG
- Singapore
- Prior art keywords
- mold
- international
- molding surface
- johns
- pct
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 3
- 238000000465 moulding Methods 0.000 abstract 7
- 239000003795 chemical substances by application Substances 0.000 abstract 2
- 238000009472 formulation Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 230000008520 organization Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 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
- B29D11/00038—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
- B29D11/00125—Auxiliary operations, e.g. removing oxygen from the mould, conveying moulds from a storage to the production line in an inert atmosphere
- B29D11/00134—Curing of the contact lens material
-
- 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
- B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
- B29C59/10—Surface shaping of articles, e.g. embossing; Apparatus therefor by electric discharge treatment
-
- 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
- B29D11/00125—Auxiliary operations, e.g. removing oxygen from the mould, conveying moulds from a storage to the production line in an inert atmosphere
- B29D11/00192—Demoulding, e.g. separating lenses from mould halves
-
- 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
- B29D11/0048—Moulds for lenses
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/04—Contact lenses for the eyes
- G02C7/049—Contact lenses having special fitting or structural features achieved by special materials or material structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/0058—Liquid or visquous
- B29K2105/0061—Gel or sol
-
- 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
- B29L2011/00—Optical elements, e.g. lenses, prisms
- B29L2011/0016—Lenses
- B29L2011/0041—Contact lenses
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Eyeglasses (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201562270938P | 2015-12-22 | 2015-12-22 | |
PCT/IB2016/056755 WO2017109600A1 (fr) | 2015-12-22 | 2016-11-09 | Procédé de fabrication de lentilles de contact |
Publications (1)
Publication Number | Publication Date |
---|---|
SG11201803719RA true SG11201803719RA (en) | 2018-07-30 |
Family
ID=57354418
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG11201803719RA SG11201803719RA (en) | 2015-12-22 | 2016-11-09 | Process for manufacturing contact lenses |
Country Status (7)
Country | Link |
---|---|
US (1) | US10611107B2 (fr) |
EP (1) | EP3393770B1 (fr) |
CN (1) | CN108541232B (fr) |
HU (1) | HUE060759T2 (fr) |
MY (1) | MY190699A (fr) |
SG (1) | SG11201803719RA (fr) |
WO (1) | WO2017109600A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20240293985A1 (en) * | 2023-02-27 | 2024-09-05 | Alcon Inc. | Method for producing wettable silicone hydrogel contact lenses |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4444711A (en) | 1981-12-21 | 1984-04-24 | Husky Injection Molding Systems Ltd. | Method of operating a two-shot injection-molding machine |
US4460534A (en) | 1982-09-07 | 1984-07-17 | International Business Machines Corporation | Two-shot injection molding |
US5158718A (en) | 1990-08-02 | 1992-10-27 | Pilkington Visioncare, Inc. | Contact lens casting |
JPH06170857A (ja) * | 1992-12-03 | 1994-06-21 | Seiko Epson Corp | コンタクトレンズの製造方法およびそれに用いられる成形型 |
US5326505A (en) * | 1992-12-21 | 1994-07-05 | Johnson & Johnson Vision Products, Inc. | Method for treating an ophthalmic lens mold |
ATE182287T1 (de) * | 1993-12-13 | 1999-08-15 | Novartis Erfind Verwalt Gmbh | Verfahren und vorrichtung zur herstellung einer kontaktlinse |
US5894002A (en) | 1993-12-13 | 1999-04-13 | Ciba Vision Corporation | Process and apparatus for the manufacture of a contact lens |
US5804107A (en) * | 1994-06-10 | 1998-09-08 | Johnson & Johnson Vision Products, Inc. | Consolidated contact lens molding |
US5843346A (en) | 1994-06-30 | 1998-12-01 | Polymer Technology Corporation | Method of cast molding contact lenses |
US20060202368A1 (en) * | 2005-03-09 | 2006-09-14 | Yasuo Matsuzawa | Method for producing contact lenses |
US20150151500A1 (en) * | 2013-12-03 | 2015-06-04 | Johnson & Johnson Vision Care, Inc. | Method for treating a contact lens mold |
-
2016
- 2016-11-09 HU HUE16798568A patent/HUE060759T2/hu unknown
- 2016-11-09 EP EP16798568.8A patent/EP3393770B1/fr active Active
- 2016-11-09 SG SG11201803719RA patent/SG11201803719RA/en unknown
- 2016-11-09 WO PCT/IB2016/056755 patent/WO2017109600A1/fr active Application Filing
- 2016-11-09 CN CN201680072708.5A patent/CN108541232B/zh active Active
- 2016-11-09 MY MYPI2018701766A patent/MY190699A/en unknown
- 2016-11-09 US US15/347,150 patent/US10611107B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
WO2017109600A1 (fr) | 2017-06-29 |
EP3393770A1 (fr) | 2018-10-31 |
US10611107B2 (en) | 2020-04-07 |
US20170173901A1 (en) | 2017-06-22 |
EP3393770B1 (fr) | 2022-11-30 |
MY190699A (en) | 2022-05-11 |
CN108541232B (zh) | 2021-04-09 |
HUE060759T2 (hu) | 2023-04-28 |
CN108541232A (zh) | 2018-09-14 |
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