DE3273754D1 - Molds and procedure for producing truncated contact lenses - Google Patents

Molds and procedure for producing truncated contact lenses

Info

Publication number
DE3273754D1
DE3273754D1 DE8282902135T DE3273754T DE3273754D1 DE 3273754 D1 DE3273754 D1 DE 3273754D1 DE 8282902135 T DE8282902135 T DE 8282902135T DE 3273754 T DE3273754 T DE 3273754T DE 3273754 D1 DE3273754 D1 DE 3273754D1
Authority
DE
Germany
Prior art keywords
molds
procedure
contact lenses
truncated contact
producing truncated
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
Application number
DE8282902135T
Other languages
English (en)
Inventor
Henry Haardt
John Magdon
Eric Noble
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.)
Allergan Inc
Original Assignee
Npd Technologies Inc
National Patent Development Corp
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 Npd Technologies Inc, National Patent Development Corp filed Critical Npd Technologies Inc
Application granted granted Critical
Publication of DE3273754D1 publication Critical patent/DE3273754D1/de
Expired legal-status Critical Current

Links

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
    • B29D11/00019—Production of simple or compound lenses with non-spherical faces, e.g. toric faces
    • 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
    • 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)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Eyeglasses (AREA)
DE8282902135T 1981-05-26 1982-05-25 Molds and procedure for producing truncated contact lenses Expired DE3273754D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/266,782 US4407766A (en) 1981-05-26 1981-05-26 Molds and procedure for producing truncated contact lenses
PCT/US1982/000721 WO1982004221A1 (en) 1981-05-26 1982-05-25 Molds and procedure for producing truncated contact lenses

Publications (1)

Publication Number Publication Date
DE3273754D1 true DE3273754D1 (en) 1986-11-20

Family

ID=23015980

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282902135T Expired DE3273754D1 (en) 1981-05-26 1982-05-25 Molds and procedure for producing truncated contact lenses

Country Status (6)

Country Link
US (1) US4407766A (de)
EP (1) EP0079952B1 (de)
JP (1) JPS58500799A (de)
AU (1) AU550673B2 (de)
DE (1) DE3273754D1 (de)
WO (1) WO1982004221A1 (de)

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JPS5988710A (ja) * 1982-11-15 1984-05-22 Hitachi Ltd プラスチツク多芯光コネクタ
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US4681295A (en) * 1983-05-26 1987-07-21 International Hydron Corporation Tricurve optical metal master mold and method of making
US4534723A (en) * 1984-01-30 1985-08-13 International Hydron Corporation Cutting device for the precision trimming of the edge of a centrifugally cast lens
US4562991A (en) * 1984-11-13 1986-01-07 Gerald Wu Reusable ice mold
BR8802923A (pt) * 1987-06-18 1989-01-03 Ocular Technologies Inc Processo de fabricacao de uma lente de contato,matriz para fabricacao de uma lente de contato e forma para fabricar uma matriz
US7192444B2 (en) 1987-08-24 2007-03-20 Advanced Medical Optics, Inc. Aspheric soft lens
NL8702679A (nl) * 1987-11-10 1989-06-01 Philips Nv Werkwijze voor het vervaardigen van biconvexe lenselementen.
US5160749A (en) * 1990-10-30 1992-11-03 Minnesota Mining And Manufacturing Company Three piece mold assembly for making an ocular device
US5137441A (en) * 1990-10-30 1992-08-11 Minnesota Mining And Manufacturing Company Mold assembly for making an ocular lens blank
US5271875A (en) * 1991-09-12 1993-12-21 Bausch & Lomb Incorporated Method for molding lenses
US5238388A (en) * 1991-12-06 1993-08-24 Johnson & Johnson Vision Products, Inc. Ophthalmic lens mold seal
US5244377A (en) * 1992-04-01 1993-09-14 Standard Antiseptic, Inc. Toric posterior and anterior curve dies for making corneal contact lenses
US5748282A (en) * 1993-01-27 1998-05-05 Pilkington Barnes Hind, Inc. Multifocal contact lens
CA2181982C (en) * 1994-01-31 1999-07-06 Attilio Apollonio Method of cast molding toric contact lenses
US5928682A (en) * 1995-12-21 1999-07-27 Johnson & Johnson Vision Products, Inc. Annular gated mold for the injection molding of contact lenses
US5916494A (en) * 1995-12-29 1999-06-29 Johnson & Johnson Vision Products, Inc. Rotational indexing base curve deposition array
US5733585A (en) * 1996-09-06 1998-03-31 Bausch & Lomb Incorporated Apparatus for rotationally aligning a feature of an optical tool with a gate in an injection molding apparatus
AR013512A1 (es) 1997-09-24 2000-12-27 Novartis Ag Metodo para fabricar una lente de contacto astigmatica
CA2243719C (en) 1997-10-27 2001-09-04 Natural Science Industries, Ltd. Process and apparatus for creating artificial leaves and flowers
US5935503A (en) * 1997-10-27 1999-08-10 Natural Science Industries, Ltd. Process and kit for creating artificial leaves and flowers
DE69906494T2 (de) 1998-01-16 2003-10-30 Bausch & Lomb Verfahren und vorrichtung zum ausrichten der torischen achse
JPH11258553A (ja) * 1998-03-09 1999-09-24 Menicon Co Ltd プリズムバラスト型コンタクトレンズ及びその製造方法並びにそれに用いられるモールド型
USD458023S1 (en) 1999-10-13 2002-06-04 Johnson & Johnson Vision Care, Inc. Contact lens container
US6383419B1 (en) * 1999-12-09 2002-05-07 Gregg A. Dean Method for cast molding toric contact lenses
US6368522B1 (en) 2000-01-03 2002-04-09 Johnson & Johnson Vision Care, Inc. Mold for forming a contact lens and method of preventing formation of small strands of contact lens material during contact lens manufacture
EP1157981B1 (de) * 2000-05-25 2009-09-09 Mitsubishi Gas Chemical Company, Inc. Verfahren zur Herstellung einer hochreinen aromatischen Polycarbonsäure
US7008570B2 (en) 2001-08-09 2006-03-07 Stephen Pegram Method and apparatus for contact lens mold assembly
US7063422B2 (en) * 2003-04-16 2006-06-20 Novartis Ag Multifocal ophthalmic lens
US7291306B2 (en) * 2004-07-30 2007-11-06 Rampf Molds Industries Inc. Apparatus and method for utilizing a flexible plunger
US7704435B2 (en) * 2004-07-30 2010-04-27 Rampf Molds Industries, Inc. Apparatus and method for utilizing a universal plunger
US7575700B2 (en) * 2005-03-01 2009-08-18 Pampf Molds Industries, Inc. Apparatus and method for a mold alignment system
US7491053B2 (en) * 2005-06-16 2009-02-17 Rampf Molds Industries, Inc. Tamperhead for use in production of molded products
US20070009628A1 (en) * 2005-07-11 2007-01-11 Rampf Molds Industries, Inc. Systems and methods for attaching and aligning a tamperhead in production machinery
US8002927B2 (en) * 2006-06-23 2011-08-23 The Procter & Gamble Company Process for gluing the tail of a convolutely wound web material thereto
AR062067A1 (es) 2006-07-17 2008-10-15 Novartis Ag Lentes de contacto toricas con perfil de potencia optica controlado
US8182260B2 (en) * 2007-06-25 2012-05-22 Rampf Molds Industries, Inc. Apparatus and method for forming tapered products
EP2240314B1 (de) * 2007-12-31 2012-11-21 Bausch & Lomb Incorporated Gussform zur formung einer biomedizinischen vorrichtung mit einer ophthalmischen vorrichtung
US9125735B2 (en) * 2008-04-04 2015-09-08 Forsight Labs, Llc Method of correcting vision using corneal onlays
EP2276420B1 (de) 2008-04-04 2021-10-06 Journey1, Inc. Vorrichtung zur behandlung eines auges mit einem epithel mit einem defekt
WO2011004800A1 (ja) * 2009-07-08 2011-01-13 株式会社メニコン ハイブリッドソフトコンタクトレンズ、この製造方法及び水和処理方法
US9498385B2 (en) 2009-10-23 2016-11-22 Nexisvision, Inc. Conformable therapeutic shield for vision and pain
NO2490635T3 (de) 2009-10-23 2018-02-03
US20130235334A1 (en) * 2011-08-31 2013-09-12 Michael F. Widman Ophthalmic lens forming optic
US9676125B2 (en) * 2011-09-09 2017-06-13 Ezekiel Nominees Pty Ltd Method of cast moulding a translating multifocal contact lens
US10209534B2 (en) * 2012-03-27 2019-02-19 Johnson & Johnson Vision Care, Inc. Increased stiffness center optic in soft contact lenses for astigmatism correction
KR20130111762A (ko) * 2012-04-02 2013-10-11 삼성전자주식회사 렌즈 및 렌즈 제조 방법
US9283718B2 (en) 2012-05-25 2016-03-15 Johnson & Johnson Vision Care, Inc. Reduced-tilt back plastic feature for a contact lens mold
CN107479119A (zh) * 2012-09-11 2017-12-15 新加坡恒立私人有限公司 截断型镜片、截断型镜片对及相应装置的制造
EP3014345A2 (de) 2013-06-26 2016-05-04 Nexisvision, Inc. Kontaktlinsen zur refraktiven korrektur
WO2017188255A1 (ja) * 2016-04-28 2017-11-02 住友化学株式会社 ポリプロピレン樹脂組成物、精密射出成形体、光学部材成形用成形型、及び光学部材の製造方法
US11125916B2 (en) 2016-07-06 2021-09-21 Johnson & Johnson Vision Care, Inc. Silicone hydrogels comprising N-alkyl methacrylamides and contact lenses made thereof
US10786959B2 (en) * 2016-07-18 2020-09-29 Johnson & Johnson Vision Care, Inc Mold for contact lens with non-rotationally symmetric rim or edge

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1360088A (en) * 1971-10-22 1974-07-17 Lewison L Contact lens
AU466046B2 (en) * 1973-06-19 1975-10-16 PHILLIP FRITH STRACHAN and VICTOR STANLEY LOWE JOHN Soft contact lenses
US3881683A (en) * 1973-11-29 1975-05-06 American Optical Corp Gasket for lens mold
US4095878A (en) * 1974-03-28 1978-06-20 Titmus Eurocon Kontaktlinsen Gmbh & Co. Kg Soft contact lens with flattened region for automatic orientation
US4121896A (en) * 1976-03-24 1978-10-24 Shepherd Thomas H Apparatus for the production of contact lenses
US4208364A (en) * 1976-03-24 1980-06-17 Shepherd Thomas H Process for the production of contact lenses
US4169119A (en) * 1976-04-15 1979-09-25 Permavision Method of molding an ocular membrane
AU519537B2 (en) * 1978-09-04 1981-12-10 Hirst Contact Lens Ltd. Contact lens
GB2033101B (en) * 1978-10-02 1983-01-26 Madden Contact Lenses Ltd Soft bifocal contact lenses
US4208365A (en) * 1978-12-20 1980-06-17 National Patent Development Corporation Method and apparatus for molding toric contact lenses
US4209289A (en) * 1979-05-14 1980-06-24 American Optical Corporation Contact lens mold
US4279401A (en) * 1980-05-30 1981-07-21 American Optical Corporation Apparatus and method for making cast ophthalmic lenses
ZA817299B (en) * 1980-10-23 1982-09-29 Polymatic Investment Corp Nv Molded toric contact lenses

Also Published As

Publication number Publication date
WO1982004221A1 (en) 1982-12-09
US4407766A (en) 1983-10-04
AU8687982A (en) 1982-12-07
AU550673B2 (en) 1986-03-27
JPS58500799A (ja) 1983-05-19
EP0079952B1 (de) 1986-10-15
EP0079952A4 (de) 1983-04-25
EP0079952A1 (de) 1983-06-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ALLERGAN, INC., IRVINE, CALIF., US

8339 Ceased/non-payment of the annual fee