IT8719576A0 - Metodo e apparecchiatura per laformatura mediante colata con polimerizzazione di articoli e soprattutto di lenti da geli idrofili. - Google Patents
Metodo e apparecchiatura per laformatura mediante colata con polimerizzazione di articoli e soprattutto di lenti da geli idrofili.Info
- Publication number
- IT8719576A0 IT8719576A0 IT8719576A IT1957687A IT8719576A0 IT 8719576 A0 IT8719576 A0 IT 8719576A0 IT 8719576 A IT8719576 A IT 8719576A IT 1957687 A IT1957687 A IT 1957687A IT 8719576 A0 IT8719576 A0 IT 8719576A0
- Authority
- IT
- Italy
- Prior art keywords
- frost
- hydrophilic
- casting
- articles
- polymerization
- Prior art date
Links
- 238000005266 casting Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000006116 polymerization reaction Methods 0.000 title 1
Classifications
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
-
- 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
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/22—Component parts, details or accessories; Auxiliary operations
- B29C39/42—Casting under special conditions, e.g. vacuum
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/56—Compression moulding under special conditions, e.g. vacuum
-
- 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
- B29D11/00057—Production of contact lenses characterised by the shape or surface condition of the edge, e.g. flashless, burrless, smooth
-
- 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
- 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
- B29K2105/0002—Condition, form or state of moulded material or of the material to be shaped monomers or prepolymers
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
- Y10S425/808—Lens mold
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ophthalmology & Optometry (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Eyeglasses (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CS861505A CS260213B1 (en) | 1986-03-05 | 1986-03-05 | Method of polymerization casting of articles especially lenses from hydrophilic gels and equipment for realization of this method |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8719576A0 true IT8719576A0 (it) | 1987-03-04 |
IT1202630B IT1202630B (it) | 1989-02-09 |
Family
ID=5349619
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT19576/87A IT1202630B (it) | 1986-03-05 | 1987-03-04 | Metodo e apparecchiatura per la formatura mediante colata con polimerizzazione di articoli e sopprattutto di lenti da geli idrofili |
Country Status (8)
Country | Link |
---|---|
US (1) | US4806287A (it) |
JP (1) | JP2525795B2 (it) |
CA (1) | CA1258561A (it) |
CS (1) | CS260213B1 (it) |
DE (1) | DE3706938C2 (it) |
FR (1) | FR2595293B1 (it) |
GB (1) | GB2187997B (it) |
IT (1) | IT1202630B (it) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5066431A (en) * | 1990-04-20 | 1991-11-19 | Briggs Charles R | Method of making toric contact lenses |
US5254000A (en) * | 1992-04-23 | 1993-10-19 | Corning Incorporated | Organic polymer lens mold |
US5674557A (en) * | 1995-09-29 | 1997-10-07 | Johnson & Johnson Vision Products, Inc. | Method for transiently wetting lens molds in production of contact lens blanks to reduce lens hole defects |
JPH11114979A (ja) * | 1997-10-15 | 1999-04-27 | Menicon Co Ltd | 眼用レンズ材料の成形装置及びそれを用いた成形方法 |
JP3284114B2 (ja) | 1999-09-13 | 2002-05-20 | 株式会社リコー | 成形金型 |
US7628485B2 (en) * | 2000-03-31 | 2009-12-08 | Coopervision International Holding Company, Lp | Contact lens having a uniform horizontal thickness profile |
US6467903B1 (en) * | 2000-03-31 | 2002-10-22 | Ocular Sciences, Inc. | Contact lens having a uniform horizontal thickness profile |
JP2005517802A (ja) * | 2002-02-15 | 2005-06-16 | ゼットエムエス エルエルシー | 生物医学用途のための重合方法および材料 |
US20040075039A1 (en) * | 2002-08-16 | 2004-04-22 | Dubey Dharmesh K. | Molds for producing contact lenses |
US7615666B2 (en) | 2005-04-07 | 2009-11-10 | Kao Corporation | Process for production of tertiary amines |
US8414646B2 (en) | 2007-12-27 | 2013-04-09 | Forsight Labs, Llc | Intraocular, accommodating lens and methods of use |
EP3381407A1 (en) | 2008-01-03 | 2018-10-03 | Forsight Labs, Llc | Intraocular, accomodating lens and methods of use |
JP4938125B2 (ja) | 2009-12-22 | 2012-05-23 | 花王株式会社 | 3級アミンの製造方法 |
US8927772B2 (en) | 2010-12-27 | 2015-01-06 | Kao Corporation | Tertiary amine preparation process |
EP2750852B1 (en) | 2011-08-30 | 2018-06-27 | Johnson Controls Technology Company | Method for manufacturing a vehicle trim component via compression forming and injection molding and trim component produced thereby |
US10464280B2 (en) | 2011-08-30 | 2019-11-05 | Shanghai Yanfeng Jinqiao Automotive Trim Systems Co. Ltd. | Trim component for vehicle interior |
US10093268B2 (en) | 2012-08-27 | 2018-10-09 | Shanghai Yanfeng Jinqiao Automotive Trim Systems Co. Ltd. | Trim component for vehicle interior |
CN116622812A (zh) | 2013-03-14 | 2023-08-22 | 生命技术公司 | 基质阵列和其制备方法 |
WO2020006290A1 (en) | 2018-06-28 | 2020-01-02 | Shanghai Yanfeng Jinqiao Automotive Trim Systems Co. Ltd. | Vehicle trim component |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2290917A (en) * | 1940-10-29 | 1942-07-28 | Univis Lens Co | Lens molding press |
GB620317A (en) * | 1946-08-28 | 1949-03-23 | Raimundo Aquiles Tartari | New or improved process and apparatus for the moulding of contact lenses |
FR1193422A (fr) * | 1957-10-05 | 1959-11-03 | Nouveau procédé de moulage de matières polymérisables pour applications optiques et dispositif pour sa mise en oeuvre | |
GB883213A (en) * | 1958-04-10 | 1961-11-29 | Lothar Straub | Method of producing moulded bodies |
DE1495381B2 (de) * | 1963-09-07 | 1971-06-24 | Czeskoslovenska akademie ved , Prag | Verfahren zur herstellung von kontaktlinsen oder kontakt linsenrohlingen aus quellfaehigen hydrogelen |
US3380718A (en) * | 1964-07-20 | 1968-04-30 | Neefe Hamilton Res Company | Process for molding high quality plastic lenses |
CH512980A (de) * | 1969-01-20 | 1971-09-30 | Ceskoslovenska Akademie Ved | Verfahren zur Herstellung von rotationssymmetrischen Gegenständen durch Schleuderguss |
US3894129A (en) * | 1973-03-15 | 1975-07-08 | American Optical Corp | Method of manufacture of strain free contact lenses |
DE2542714C2 (de) * | 1975-09-25 | 1984-01-19 | Agfa-Gevaert Ag, 5090 Leverkusen | Verfahren und Preßstempel zum Aufbringen von Markierungen auf Kontaktlinsen aus Silikonkautschuk |
US4208364A (en) * | 1976-03-24 | 1980-06-17 | Shepherd Thomas H | Process for the production of contact lenses |
US4121896A (en) * | 1976-03-24 | 1978-10-24 | Shepherd Thomas H | Apparatus for the production of contact lenses |
US4146696A (en) * | 1976-08-11 | 1979-03-27 | Buckbee-Mears Company | Industrial production of cast plastic lenses |
US4159292A (en) * | 1977-05-25 | 1979-06-26 | Neefe Optical Lab. Inc. | Method of controlling the release of a cast plastic lens from a resinous lens mold |
DE2839249A1 (de) * | 1977-09-12 | 1979-03-22 | Toray Industries | Verfahren zur herstellung einer weichen kontaktlinse und ausgangsloesung zur durchfuehrung des verfahrens |
FR2449522A1 (fr) * | 1979-02-20 | 1980-09-19 | Essilor Int | Procede de moulage, et moule correspondant, notamment pour moulage de lentilles ophtalmiques en matiere organique |
FR2449519A1 (fr) * | 1979-02-23 | 1980-09-19 | Essilor Int | Joint annulaire propre au moulage de lentilles ophtalmiques ou optiques en matiere organique, et procede de mise en oeuvre d'un tel joint |
JPS59143617A (ja) * | 1983-02-05 | 1984-08-17 | Olympus Optical Co Ltd | プラスチツクレンズの注型成形法とその装置 |
AU577315B2 (en) * | 1983-09-27 | 1988-09-22 | Barnes-Hind Inc. | Lens mould and moulding |
US4566930A (en) * | 1983-09-30 | 1986-01-28 | Canon Kabushiki Kaisha | Process for producing optical members |
CS249989B1 (en) * | 1984-04-06 | 1987-04-16 | Otto Wichterle | Hydrophilic thre-dimensional polymer and method of its production |
-
1986
- 1986-03-05 CS CS861505A patent/CS260213B1/cs not_active IP Right Cessation
-
1987
- 1987-02-27 GB GB8704690A patent/GB2187997B/en not_active Expired - Fee Related
- 1987-03-04 JP JP62047867A patent/JP2525795B2/ja not_active Expired - Fee Related
- 1987-03-04 CA CA000531163A patent/CA1258561A/en not_active Expired
- 1987-03-04 DE DE3706938A patent/DE3706938C2/de not_active Expired - Fee Related
- 1987-03-04 IT IT19576/87A patent/IT1202630B/it active
- 1987-03-04 FR FR878702921A patent/FR2595293B1/fr not_active Expired - Fee Related
- 1987-03-05 US US07/022,074 patent/US4806287A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
IT1202630B (it) | 1989-02-09 |
JP2525795B2 (ja) | 1996-08-21 |
GB8704690D0 (en) | 1987-04-01 |
DE3706938A1 (de) | 1987-09-10 |
FR2595293B1 (fr) | 1990-11-09 |
GB2187997B (en) | 1990-02-14 |
CS260213B1 (en) | 1988-12-15 |
CA1258561A (en) | 1989-08-22 |
JPS62240517A (ja) | 1987-10-21 |
CS150586A1 (en) | 1988-05-16 |
DE3706938C2 (de) | 1997-04-10 |
US4806287A (en) | 1989-02-21 |
FR2595293A1 (fr) | 1987-09-11 |
GB2187997A (en) | 1987-09-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970327 |