DE60209180D1 - Verfahren zur Herstellung von Linsen - Google Patents

Verfahren zur Herstellung von Linsen

Info

Publication number
DE60209180D1
DE60209180D1 DE60209180T DE60209180T DE60209180D1 DE 60209180 D1 DE60209180 D1 DE 60209180D1 DE 60209180 T DE60209180 T DE 60209180T DE 60209180 T DE60209180 T DE 60209180T DE 60209180 D1 DE60209180 D1 DE 60209180D1
Authority
DE
Germany
Prior art keywords
molding
shaping
injection molding
producing lenses
thermoforming
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.)
Expired - Fee Related
Application number
DE60209180T
Other languages
English (en)
Other versions
DE60209180T2 (de
Inventor
Stephane Gobron
William Rovani
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Novartis AG
Original Assignee
Novartis AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Novartis AG filed Critical Novartis AG
Application granted granted Critical
Publication of DE60209180D1 publication Critical patent/DE60209180D1/de
Publication of DE60209180T2 publication Critical patent/DE60209180T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/34—Feeding the material to the mould or the compression means
    • 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
    • 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
    • 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
    • B29C43/34—Feeding the material to the mould or the compression means
    • B29C2043/3433—Feeding the material to the mould or the compression means using dispensing heads, e.g. extruders, placed over or apart from the moulds
    • 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
    • B29C43/361—Moulds for making articles of definite length, i.e. discrete articles with pressing members independently movable of the parts for opening or closing the mould, e.g. movable pistons
    • 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
    • B29K2105/25—Solid
    • B29K2105/251—Particles, powder or granules
    • 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
    • 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)
  • 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)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Glass Compositions (AREA)
DE60209180T 2001-01-24 2002-01-18 Verfahren zur Herstellung von Linsen Expired - Fee Related DE60209180T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US26392201P 2001-01-24 2001-01-24
US263922P 2001-01-24

Publications (2)

Publication Number Publication Date
DE60209180D1 true DE60209180D1 (de) 2006-04-20
DE60209180T2 DE60209180T2 (de) 2006-09-28

Family

ID=23003816

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60209180T Expired - Fee Related DE60209180T2 (de) 2001-01-24 2002-01-18 Verfahren zur Herstellung von Linsen

Country Status (5)

Country Link
US (1) US20020153623A1 (de)
EP (1) EP1226924B1 (de)
JP (1) JP2002301734A (de)
AT (1) ATE317758T1 (de)
DE (1) DE60209180T2 (de)

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ATE402006T1 (de) * 2004-02-27 2008-08-15 Insa Inst Nat Des Sciences App Verfahren und vorrichtung zur herstellung von einer optischen linse
JP4735541B2 (ja) * 2004-07-26 2011-07-27 宇部興産機械株式会社 熱可塑性樹脂の射出発泡成形方法
US8002534B2 (en) * 2004-09-15 2011-08-23 Lowry Stanley N Methods and apparatuses for cutting dough utilizing a shaped opening
US20060074182A1 (en) * 2004-09-30 2006-04-06 Depuy Products, Inc. Hydrogel composition and methods for making the same
EP1657267A1 (de) * 2004-11-10 2006-05-17 INSA (Institut National des Sciences Appliqées) Zwei-Komponenten Polyisocyanat/Polyol Zusammensetzung sowie deren Verwendung zur Herstellung gegossener Produkte, insbesondere Kontaktlinsen
JP4495585B2 (ja) * 2004-12-27 2010-07-07 Ｈｏｙａ株式会社 樹脂レンズの成形型
US7626143B2 (en) * 2005-02-17 2009-12-01 Scott Richard Miller Apparatus and method for processing hot melt adhesives
US20070126158A1 (en) * 2005-12-01 2007-06-07 3M Innovative Properties Company Method of cleaning polymeric mold
US7811483B2 (en) * 2006-06-01 2010-10-12 Coopervision International Holding Company, Lp Delensing of ophthalmic lenses using gas
US8701441B2 (en) * 2006-08-21 2014-04-22 3M Innovative Properties Company Method of making inorganic, metal oxide spheres using microstructured molds
TW200823043A (en) * 2006-11-23 2008-06-01 Genius Electronic Optical Co Ltd Method for making polysiloxane lenses
JP2008230025A (ja) * 2007-03-20 2008-10-02 Fujifilm Corp プラスチックレンズ成形方法
US20090220578A1 (en) * 2008-02-28 2009-09-03 Depuy Products, Inc. Hydrogel composition and method for making the same
US9464159B2 (en) 2009-11-02 2016-10-11 Ocutec Limited Polymers for contact lenses
EP2496620B1 (de) * 2009-11-02 2014-06-25 Ocutec Limited Polymere für kontaktlinsen
JP5584860B2 (ja) * 2009-11-04 2014-09-10 株式会社メニコンネクト 眼用レンズを成形型から剥離する方法および剥離装置
US20120286435A1 (en) * 2011-03-04 2012-11-15 Ppg Industries Ohio, Inc. Process for preparing molded optical articles
CN104661801B (zh) * 2012-09-21 2016-09-21 富士胶片株式会社 光学元件的成形方法及成形装置
DE102016121594A1 (de) * 2016-11-10 2018-05-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur verbesserung der oberflächenqualität generativ hergestellter bauteile
US11399931B2 (en) * 2018-08-06 2022-08-02 Randall Woods Intraocular lens and method of constructing the same
US20210162692A1 (en) * 2019-12-02 2021-06-03 Bausch & Lomb Ireland Limited Direct compression molded ophthalmic devices

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NL128305C (de) * 1963-09-11
US3380718A (en) * 1964-07-20 1968-04-30 Neefe Hamilton Res Company Process for molding high quality plastic lenses
US3841598A (en) * 1972-09-19 1974-10-15 B Grucza A mold for casting a hydrophilic contact lens blank
US4113224A (en) * 1975-04-08 1978-09-12 Bausch & Lomb Incorporated Apparatus for forming optical lenses
FR2402525A1 (fr) * 1977-09-12 1979-04-06 Toray Industries Procede de fabrication de compositions de lentilles de contact molles et nouveaux produits ainsi obtenus
US4364878A (en) * 1978-08-10 1982-12-21 Omnitech Inc. Method for molding ophthalmic lenses
US4349470A (en) * 1979-09-14 1982-09-14 Battista Orlando A Protein polymer hydrogels
FI831399L (fi) * 1982-04-29 1983-10-30 Agripat Sa Kontaktlins av haerdad polyvinylalkohol
FR2530181A1 (fr) * 1982-07-16 1984-01-20 Essilor Int Procede et dispositif pour le moulage d'un element optique en matiere synthetique
US4673539A (en) * 1983-06-03 1987-06-16 Minnesota Mining And Manufacturing Company Process for thermoformed articles
US4842782A (en) * 1986-10-14 1989-06-27 Allergan, Inc. Manufacture of ophthalmic lenses by excimer laser
FR2638391B1 (fr) * 1988-10-27 1991-01-25 Essilor Int Procede pour le formage d'une lentille ophtalmique a partir d'un palet en matiere synthetique
US5039459A (en) * 1988-11-25 1991-08-13 Johnson & Johnson Vision Products, Inc. Method of forming shaped hydrogel articles including contact lenses
US4936960A (en) * 1989-01-03 1990-06-26 Advanced Energy Industries, Inc. Method and apparatus for recovery from low impedance condition during cathodic arc processes
US5271875A (en) * 1991-09-12 1993-12-21 Bausch & Lomb Incorporated Method for molding lenses
FR2681554B1 (fr) * 1991-09-23 1993-12-10 Essilor Internal Cie Gle Optique Procede pour l'obtention d'une lentille optique en matiere synthetique thermoplastique revetue d'une couche de protection en matiere synthetique thermodurcissable.
US5271874A (en) * 1992-11-04 1993-12-21 Wesley-Jessen Corporation Method for molding a hydrophilic contact lens
US5386971A (en) * 1993-07-22 1995-02-07 Owens-Illinois Closure Inc. Plastic pellet delivery system and method of use
TW272976B (de) * 1993-08-06 1996-03-21 Ciba Geigy Ag
US5415817A (en) * 1993-10-22 1995-05-16 Industrial Technology Research Institute Process for molding plastic lenses
TW258686B (de) * 1994-03-07 1995-10-01 Ciba Geigy
US5649410A (en) * 1994-06-10 1997-07-22 Johnson & Johnson Vision Products, Inc. Post-hydration method and apparatus for transporting, inspecting and packaging contact lenses
US5656210A (en) * 1995-03-31 1997-08-12 Johnson & Johnson Vision Products, Inc. Reaction injection molding as a process to prepare contact lenses
US5674942A (en) * 1995-03-31 1997-10-07 Johnson & Johnson Vision Products, Inc. Interpenetrating polymer networks for contact lens production
US5583463A (en) * 1995-05-30 1996-12-10 Micron Technology, Inc. Redundant row fuse bank circuit
US5928682A (en) * 1995-12-21 1999-07-27 Johnson & Johnson Vision Products, Inc. Annular gated mold for the injection molding of contact lenses
EP0875354B1 (de) * 1996-01-18 2002-10-02 Hoya Corporation Verfahren zum herstellen einer linse,spritzgiessformwerkzeug zum herstellen einer linse und hergestellte linse
US5751481A (en) * 1996-04-05 1998-05-12 Polaroid Corporation Laminar light-polarizing lens blank for producing prescription lens
ID17663A (id) * 1996-07-26 1998-01-15 Novartis Ag Pembuatan cetakan-cetakan
JP3999305B2 (ja) * 1997-04-21 2007-10-31 株式会社アサヒオプティカル 光学用熱可塑性ウレタン樹脂レンズの製造方法とそのレンズ
US6190603B1 (en) * 1997-07-19 2001-02-20 Novartis Ag Process for producing mouldings
TW429327B (en) * 1997-10-21 2001-04-11 Novartis Ag Single mould alignment
US6015512A (en) * 1998-01-28 2000-01-18 Optima Inc. Extrusion-compression molding of optical articles
JPH11278853A (ja) * 1998-03-31 1999-10-12 Fuji Photo Optical Co Ltd 光学部品成形方法
US6511311B1 (en) * 1998-09-30 2003-01-28 Novartis Ag Lens mold carriers
US6042754A (en) * 1998-10-30 2000-03-28 Optima, Inc. Continuous extrusion-compression molding process for making optical articles
US6440335B1 (en) * 1998-12-30 2002-08-27 Sola International, Inc. Process for molding thermoplastic lenses and, steeply curved and/or thin lenses produced thereby
US6162376A (en) * 1999-02-24 2000-12-19 Mead Opthalmics Compression molding of optical lenses
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US6592356B1 (en) * 1999-05-05 2003-07-15 Johnson & Johnson Vision Care, Inc. Mold, molding system and molding machine for making ophthalmic devices
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US6444145B1 (en) * 1999-09-03 2002-09-03 Johnson & Johnson Vision Products, Inc. Molds for use in contact lens production
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GB2360730B (en) * 2000-03-31 2004-09-22 Bausch & Lomb Uk Ltd Apparatus and method for separating contact lens molds
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US6755996B1 (en) * 2001-07-13 2004-06-29 Chrysalis Development Company Llc Direct manufacturer of preform for compression molding
US6790388B2 (en) * 2001-12-17 2004-09-14 Essilor International (Compagnie Generale D'optique) Method of injection molding an optical article out of thermoplastic synthetic material
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Also Published As

Publication number Publication date
EP1226924A2 (de) 2002-07-31
EP1226924B1 (de) 2006-02-15
JP2002301734A (ja) 2002-10-15
EP1226924A3 (de) 2002-08-14
DE60209180T2 (de) 2006-09-28
US20020153623A1 (en) 2002-10-24
ATE317758T1 (de) 2006-03-15

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Legal Events

Date Code Title Description
8328 Change in the person/name/address of the agent

Representative=s name: PFENNING MEINIG & PARTNER GBR, 80339 MUENCHEN

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee