SG113793G - Moulds for manufacturing contact lenses - Google Patents

Moulds for manufacturing contact lenses

Info

Publication number
SG113793G
SG113793G SG113793A SG113793A SG113793G SG 113793 G SG113793 G SG 113793G SG 113793 A SG113793 A SG 113793A SG 113793 A SG113793 A SG 113793A SG 113793 G SG113793 G SG 113793G
Authority
SG
Singapore
Prior art keywords
mould
female
shoulder
contact lens
male
Prior art date
Application number
SG113793A
Other languages
English (en)
Inventor
Geoffrey Harrison Galley
Original Assignee
Galley Geoffrey H
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 Galley Geoffrey H filed Critical Galley Geoffrey H
Publication of SG113793G publication Critical patent/SG113793G/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C39/00Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/22Component parts, details or accessories; Auxiliary operations
    • B29C39/40Compensating volume change, e.g. retraction
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C39/00Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/22Component parts, details or accessories; Auxiliary operations
    • B29C39/26Moulds or cores
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C39/00Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/22Component parts, details or accessories; Auxiliary operations
    • B29C39/26Moulds or cores
    • B29C39/32Moulds or cores with joints or the like for making the mould impervious
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00Producing optical elements, e.g. lenses or prisms
    • B29D11/00009Production of simple or compound lenses
    • B29D11/00038Production of contact lenses
    • B29D11/00057Production of contact lenses characterised by the shape or surface condition of the edge, e.g. flashless, burrless, smooth
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/808Lens 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)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
SG113793A 1989-01-12 1993-10-16 Moulds for manufacturing contact lenses SG113793G (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898900616A GB8900616D0 (en) 1989-01-12 1989-01-12 Methods of manufacturing contact lenses

Publications (1)

Publication Number Publication Date
SG113793G true SG113793G (en) 1994-01-21

Family

ID=10649910

Family Applications (1)

Application Number Title Priority Date Filing Date
SG113793A SG113793G (en) 1989-01-12 1993-10-16 Moulds for manufacturing contact lenses

Country Status (12)

Country Link
US (1) US5087015A (es)
EP (1) EP0383425B1 (es)
JP (1) JP3134227B2 (es)
KR (1) KR0140212B1 (es)
AT (1) ATE90909T1 (es)
AU (1) AU629280B2 (es)
CA (1) CA2007536C (es)
DE (1) DE69002016T2 (es)
DK (1) DK0383425T3 (es)
ES (1) ES2042205T3 (es)
GB (2) GB8900616D0 (es)
SG (1) SG113793G (es)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2108208T3 (es) * 1988-11-02 1997-12-16 British Tech Group Moldeado por vaciado y envasado de lentes de contacto.
US5573108A (en) * 1988-11-02 1996-11-12 British Technology Group Ltd. Disposable contact lens package
GB8919533D0 (en) * 1989-08-29 1989-10-11 Mjs Scient Ltd Contact lens mould
US5252056A (en) * 1990-03-16 1993-10-12 Ciba-Geigy Corporation Contact lens casting mould
IL97175A (en) * 1990-03-16 1996-01-31 Ciba Geigy Pattern for casting contact lenses
IL102556A (en) * 1991-08-16 1998-02-08 Johnson & Johnson Vision Prod Device and process for fusing detachable lens mold units
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
US5254000A (en) * 1992-04-23 1993-10-19 Corning Incorporated Organic polymer lens mold
IL113904A0 (en) * 1994-06-10 1995-08-31 Johnson & Johnson Vision Prod Mold clamping and precure of a polymerizable hydrogel
US5620720A (en) * 1994-11-29 1997-04-15 Allergan Cast molding of intraocular lenses
US5649874A (en) * 1996-08-05 1997-07-22 Marble Vision Inc. Transparent ball with insert, and process of manufacture thereof
DE19727671C2 (de) * 1997-06-30 2000-04-13 Woehlk Contact Linsen Gmbh Vorrichtung zur Herstellung von Formkörpern aus einer polymerisierbaren Mischung
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
US7628485B2 (en) * 2000-03-31 2009-12-08 Coopervision International Holding Company, Lp Contact lens having a uniform horizontal thickness profile
US6923538B2 (en) * 2000-07-06 2005-08-02 Coopervision, Inc. Method for cast moulding contact lenses with a rounded edge form
KR100385447B1 (ko) * 2000-10-13 2003-05-27 뉴바이오 (주) 콘택트 렌즈 주형 몰드 및 이를 이용한 콘택트 렌즈제조방법
ATE339930T1 (de) * 2001-03-16 2006-10-15 Novartis Pharma Gmbh Verfahren zum giessformen von opthalmischen linsen
JP2003011139A (ja) * 2001-06-27 2003-01-15 Menicon Co Ltd コンタクトレンズ用成形型およびそれを用いたコンタクトレンズの製造方法
CN1582227A (zh) * 2001-10-11 2005-02-16 眼科科学公司 用于铸塑成形具有圆边形状的接触眼镜的方法
US6997693B2 (en) * 2001-10-19 2006-02-14 Novartis Ag Casting mold half and casting mold for producing contact lenses
US20040075182A1 (en) * 2002-04-10 2004-04-22 Stephane Gobron Stackable contact lens molds
KR100602730B1 (ko) * 2002-09-06 2006-07-20 주식회사 씨엘웍스 금형에 의한 소프트콘택트렌즈 제조방법
US7628810B2 (en) 2003-05-28 2009-12-08 Acufocus, Inc. Mask configured to maintain nutrient transport without producing visible diffraction patterns
US7731872B2 (en) * 2006-05-31 2010-06-08 Coopervision International Holding Company, Lp Methods and systems for forming ophthalmic lens mold assemblies
US8287782B2 (en) * 2006-08-08 2012-10-16 Coopervision International Holding Company, Lp Interference fitting polar resin ophthalmic lens molding devices and related methods
US8003024B2 (en) * 2006-09-18 2011-08-23 Coopervision International Holding Company, Lp Polyolefin contact lens molds and uses thereof
KR100812057B1 (ko) * 2006-11-08 2008-03-07 이장원 콘택트렌즈 제조용 이종재질의 암수형 몰드
JP5363503B2 (ja) 2007-12-31 2013-12-11 ボーシュ アンド ローム インコーポレイティド 眼科デバイスを含むバイオメディカルデバイスを形成するためのキャスティングモールド
US10004593B2 (en) 2009-08-13 2018-06-26 Acufocus, Inc. Intraocular lens with elastic mask
AU2010282311B2 (en) 2009-08-13 2015-08-13 Acufocus, Inc. Masked intraocular implants and lenses
BR112012008079A2 (pt) 2009-08-13 2016-03-01 Acufocus Inc enxerto de córnea com estruturas de transporte de nutrientes
GB0917806D0 (en) 2009-10-12 2009-11-25 Sauflon Cl Ltd Fluorinated silicone hydrogels
CN103313843B (zh) 2010-11-26 2017-03-22 日柔有限公司 隐形眼镜制造方法
WO2013082545A1 (en) 2011-12-02 2013-06-06 Acufocus, Inc. Ocular mask having selective spectral transmission
US9204962B2 (en) 2013-03-13 2015-12-08 Acufocus, Inc. In situ adjustable optical mask
US9427922B2 (en) 2013-03-14 2016-08-30 Acufocus, Inc. Process for manufacturing an intraocular lens with an embedded mask
US9943403B2 (en) 2014-11-19 2018-04-17 Acufocus, Inc. Fracturable mask for treating presbyopia
US10687935B2 (en) 2015-10-05 2020-06-23 Acufocus, Inc. Methods of molding intraocular lenses
CA3005891C (en) 2015-11-24 2023-12-12 Acufocus, Inc. Toric small aperture intraocular lens with extended depth of focus
EP3790508A4 (en) 2018-05-09 2022-02-09 AcuFocus, Inc. INTRAOCULAR IMPLANT WITH REMOVABLE OPTICS

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3605195A (en) * 1970-08-24 1971-09-20 Charles D Campbell Mold assembly for casting plastic optical lenses
US4197266A (en) * 1974-05-06 1980-04-08 Bausch & Lomb Incorporated Method for forming optical lenses
US4208364A (en) * 1976-03-24 1980-06-17 Shepherd Thomas H Process for the production of contact lenses
US4095772A (en) * 1977-05-13 1978-06-20 Weber Hermann P Casting apparatus for plastic lenses
FR2416104A1 (fr) * 1978-02-07 1979-08-31 Essilor Int Dispositif de moulage, en particulier pour lentille de contact souple
US4340482A (en) * 1978-02-21 1982-07-20 Millipore Corporation Process for grafting amino acid molecules onto preformed polymer surfaces and products prepared thereby
US4469464A (en) * 1982-02-22 1984-09-04 Dennison Manufacturing Company Ink pad applicator
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
GB2191144B (en) * 1985-03-19 1988-06-08 Coopervision Optics Casting lenses
GB8508247D0 (en) * 1985-03-29 1985-05-09 Sola Int Holdings Contact lenses
GB8601967D0 (en) * 1986-01-28 1986-03-05 Coopervision Optics Manufacturing contact lenses
US4865779A (en) * 1987-12-15 1989-09-12 Minnesota Mining And Manufacturing Company Lens molding apparatus and method

Also Published As

Publication number Publication date
EP0383425B1 (en) 1993-06-23
ATE90909T1 (de) 1993-07-15
CA2007536C (en) 2000-11-21
EP0383425A3 (en) 1990-09-05
JP3134227B2 (ja) 2001-02-13
EP0383425A2 (en) 1990-08-22
KR0140212B1 (en) 1998-07-01
US5087015A (en) 1992-02-11
GB2226977B (en) 1992-10-21
GB8928888D0 (en) 1990-02-28
AU4778290A (en) 1990-07-19
DE69002016D1 (de) 1993-07-29
DE69002016T2 (de) 1993-09-30
GB2226977A (en) 1990-07-18
DK0383425T3 (da) 1993-08-02
AU629280B2 (en) 1992-10-01
ES2042205T3 (es) 1993-12-01
JPH02270517A (ja) 1990-11-05
GB8900616D0 (en) 1989-03-08
CA2007536A1 (en) 1990-07-12

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