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DE69528686D1 - Sauerstoffarmes Verfahren zur Herstellung von weichen Kontakt-Linsen - Google Patents

Sauerstoffarmes Verfahren zur Herstellung von weichen Kontakt-Linsen

Info

Publication number
DE69528686D1
DE69528686D1 DE69528686T DE69528686T DE69528686D1 DE 69528686 D1 DE69528686 D1 DE 69528686D1 DE 69528686 T DE69528686 T DE 69528686T DE 69528686 T DE69528686 T DE 69528686T DE 69528686 D1 DE69528686 D1 DE 69528686D1
Authority
DE
Germany
Prior art keywords
lens molds
soft contact
production
low
contact lenses
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 - Lifetime
Application number
DE69528686T
Other languages
English (en)
Other versions
DE69528686T2 (de
Inventor
Wallace Anthony Martin
John Benjamin Enns
Jonathan Patrick Adams
Ture Kindt-Larsen
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.)
Johnson and Johnson Vision Care Inc
Original Assignee
Johnson and Johnson Vision Products Inc
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 Johnson and Johnson Vision Products Inc filed Critical Johnson and Johnson Vision Products Inc
Application granted granted Critical
Publication of DE69528686D1 publication Critical patent/DE69528686D1/de
Publication of DE69528686T2 publication Critical patent/DE69528686T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
    • B29C33/3842—Manufacturing moulds, e.g. shaping the mould surface by machining
    • 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
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/006—Degassing moulding material or draining off gas during moulding
    • 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
    • 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
    • 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
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/001—Shaping in several steps
    • 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
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/004—Shaping under special conditions
    • B29C2791/005—Using a particular environment, e.g. sterile fluids other than air
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • 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
    • B29K2825/00—Use of polymers of vinyl-aromatic compounds or derivatives thereof as mould material
    • 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
    • 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
    • B29L2031/00—Other particular articles
    • B29L2031/757—Moulds, cores, dies

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Eyeglasses (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Glass Compositions (AREA)
DE69528686T 1994-06-10 1995-06-09 Sauerstoffarmes Verfahren zur Herstellung von weichen Kontakt-Linsen Expired - Lifetime DE69528686T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25780294A 1994-06-10 1994-06-10

Publications (2)

Publication Number Publication Date
DE69528686D1 true DE69528686D1 (de) 2002-12-05
DE69528686T2 DE69528686T2 (de) 2003-06-12

Family

ID=22977811

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69528686T Expired - Lifetime DE69528686T2 (de) 1994-06-10 1995-06-09 Sauerstoffarmes Verfahren zur Herstellung von weichen Kontakt-Linsen

Country Status (12)

Country Link
US (1) US5753150A (de)
EP (2) EP1223026A1 (de)
JP (1) JP4094072B2 (de)
AT (1) ATE226884T1 (de)
AU (1) AU708998B2 (de)
BR (1) BR9502735A (de)
CA (1) CA2151333C (de)
CZ (1) CZ146895A3 (de)
DE (1) DE69528686T2 (de)
DK (1) DK0687550T3 (de)
IL (1) IL113691A0 (de)
ZA (1) ZA954816B (de)

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US5804107A (en) * 1994-06-10 1998-09-08 Johnson & Johnson Vision Products, Inc. Consolidated contact lens molding
US5760100B1 (en) 1994-09-06 2000-11-14 Ciba Vision Corp Extended wear ophthalmic lens
US7468398B2 (en) 1994-09-06 2008-12-23 Ciba Vision Corporation Extended wear ophthalmic lens
US5681510A (en) † 1994-10-13 1997-10-28 Bausch & Lomb Incorporated Method for treating plastic mold pieces
US6113817A (en) * 1997-03-25 2000-09-05 Novartis Ag Molding processes
ATE281927T1 (de) * 1997-03-25 2004-11-15 Novartis Pharma Gmbh Giessverfahren
US20070157553A1 (en) * 1998-12-21 2007-07-12 Voss Leslie A Heat seal apparatus for lens packages
US20040074525A1 (en) * 2001-03-27 2004-04-22 Widman Michael F. Transfer apparatus and method and a transfer apparatus cleaner and method
US20040112008A1 (en) 1998-12-21 2004-06-17 Voss Leslie A. Heat seal apparatus for lens packages
US6241918B1 (en) * 1998-12-28 2001-06-05 Johnson & Johnson Vision Care, Inc. Process of manufacturing contact lenses in ambient environment
US6610220B1 (en) * 1998-12-28 2003-08-26 Johnson & Johnson Vision Care, Inc. Process of manufacturing contact lenses with measured exposure to oxygen
US6609041B1 (en) * 1999-05-05 2003-08-19 Johnson & Johnson Vision Care, Inc. Method and system for SKU tracking and changeover
US6364934B1 (en) 2000-07-31 2002-04-02 Bausch & Lomb Incorporated Method of making ocular devices
EP1326524B1 (de) 2000-10-19 2010-09-01 Applied Medical Resources Corporation Chirurgisches zugangsgerät und -verfahren
JP2002355830A (ja) 2001-03-26 2002-12-10 Novartis Ag 眼科用レンズの製造のための型及び方法
US6663801B2 (en) * 2001-04-06 2003-12-16 Johnson & Johnson Vision Care, Inc. Silicon carbide IR-emitter heating device and method for demolding lenses
US6708397B2 (en) * 2001-08-09 2004-03-23 Johnson & Johnson Vision Care, Inc. Inlay station with alignment assemblies and transfer tubes
US7008570B2 (en) * 2001-08-09 2006-03-07 Stephen Pegram Method and apparatus for contact lens mold assembly
US7052454B2 (en) * 2001-10-20 2006-05-30 Applied Medical Resources Corporation Sealed surgical access device
EP2343031B1 (de) * 2002-06-05 2013-08-07 Applied Medical Resources Corporation Wundspreizer
US20050020884A1 (en) * 2003-02-25 2005-01-27 Hart Charles C. Surgical access system
US7163510B2 (en) 2003-09-17 2007-01-16 Applied Medical Resources Corporation Surgical instrument access device
ES2383689T3 (es) * 2003-09-23 2012-06-25 University Of North Carolina At Chapel Hill Perfluoropoliéteres fotocurables para su uso como materiales novedosos en dispositivos microfluídicos
US20080131593A1 (en) * 2004-01-29 2008-06-05 Powell P Mark Contact lens mold printing systems and processes
US7479247B2 (en) * 2005-05-12 2009-01-20 Victor Joyner Method and apparatus for creating sacrificial patterns and cast parts
EP1922364A4 (de) 2005-08-09 2010-04-21 Univ North Carolina Verfahren und materialien zur herstellung mikrofluidischer vorrichtungen
US7625197B2 (en) * 2005-09-12 2009-12-01 Johnson & Johnson Vision Care, Inc. Devices and processes for performing degassing operations
CA2625734C (en) 2005-10-14 2013-02-19 Applied Medical Resources Corporation Method of making a hand access laparoscopic device
US20080179770A1 (en) * 2007-01-31 2008-07-31 Rooney Thomas R Free form ophthalmic lens mold
KR101409581B1 (ko) * 2007-05-18 2014-06-20 쿠퍼비젼 인터내셔날 홀딩 캄파니, 엘피 콘텍트 렌즈를 형성하기 위한 열 경화 방법 및 시스템
US8262952B2 (en) * 2007-10-31 2012-09-11 Bausch & Lomb Incorporated Molds for production of ophthalmic devices
US20090295004A1 (en) * 2008-06-02 2009-12-03 Pinsly Jeremy B Silicone hydrogel contact lenses displaying reduced protein uptake
US20100155972A1 (en) * 2008-12-18 2010-06-24 Tollefson Norris M Injection molded ophthalmic lens mold
US8944795B2 (en) * 2008-12-18 2015-02-03 Novartis Ag Mold release sheet
SG186423A1 (en) 2010-07-09 2013-01-30 Coopervision Int Holding Co Lp Ophthalmic lens molds with low levels of uv light transmittance, ophthalmic lenses molded therein, and related methods
SG190218A1 (en) 2010-11-10 2013-06-28 Novartis Ag Method for making contact lenses
KR102064782B1 (ko) 2011-05-10 2020-01-10 어플라이드 메디컬 리소시스 코포레이션 창상 견인기
US20130258276A1 (en) * 2012-03-27 2013-10-03 Jonathan Hansen Increased stiffness center optic in soft contact lenses for astigmatism correction
US10209534B2 (en) 2012-03-27 2019-02-19 Johnson & Johnson Vision Care, Inc. Increased stiffness center optic in soft contact lenses for astigmatism correction
AU2015301532B2 (en) 2014-08-15 2020-04-16 Applied Medical Resources Corporation Natural orifice surgery system
US9949730B2 (en) 2014-11-25 2018-04-24 Applied Medical Resources Corporation Circumferential wound retraction with support and guidance structures
US10575840B2 (en) 2015-10-07 2020-03-03 Applied Medical Resources Corporation Wound retractor with multi-segment outer ring
US11125916B2 (en) 2016-07-06 2021-09-21 Johnson & Johnson Vision Care, Inc. Silicone hydrogels comprising N-alkyl methacrylamides and contact lenses made thereof
CN117425554A (zh) * 2021-03-05 2024-01-19 博士伦爱尔兰有限公司 用于生产眼用装置的模具
KR20240036665A (ko) * 2021-09-14 2024-03-20 알콘 인코포레이티드 안과용 렌즈 생산을 위한 생산라인
WO2023042061A1 (en) * 2021-09-14 2023-03-23 Alcon Inc. Production line for the production of ophthalmic lenses
US12343951B2 (en) 2021-09-14 2025-07-01 Alcon Inc. Production line for the production of ophthalmic lenses

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US2911678A (en) * 1957-04-12 1959-11-10 Phillips Petroleum Co Molding of void-free olefin polymers using pressure, vacuum and directional cooling
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AT251910B (de) * 1964-07-02 1967-01-25 Ceskoslovenska Akademie Ved Verfahren zur Herstellung von weichen, biegsamen Kontaktlinsen
US3422168A (en) * 1964-12-01 1969-01-14 Ppg Industries Inc Process of casting resinous lenses in thermoplastic cast replica molds
US3423488A (en) * 1966-05-11 1969-01-21 Ppg Industries Inc Process for casting resinous lenses in thermoplastic cast replica molds
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US4054624A (en) * 1974-11-21 1977-10-18 Warner-Lambert Company Preparing a hydrated contact lens
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US4284591A (en) * 1980-04-28 1981-08-18 Neefe Optica Lab Inc. Injection molding of optical lenses and optical molds
US4495313A (en) * 1981-04-30 1985-01-22 Mia Lens Production A/S Preparation of hydrogel for soft contact lens with water displaceable boric acid ester
US4640489A (en) * 1981-04-30 1987-02-03 Mia-Lens Production A/S Mold for making contact lenses, either the male or female mold sections being relatively more flexible
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US4540532A (en) * 1984-02-02 1985-09-10 Coburn Optical Industries, Inc. Method and apparatus for molding ophthalmic lenses
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US5230840A (en) * 1990-09-14 1993-07-27 The Furukawa Electric Co., Ltd. Method of manufacturing thermoplastic/resin molded optical member
US5271875A (en) * 1991-09-12 1993-12-21 Bausch & Lomb Incorporated Method for molding lenses
US5435943A (en) * 1994-03-11 1995-07-25 Johnson & Johnson Vision Products, Inc. Method and apparatus for making an ophthalmic lens
US5681510A (en) * 1994-10-13 1997-10-28 Bausch & Lomb Incorporated Method for treating plastic mold pieces

Also Published As

Publication number Publication date
AU708998B2 (en) 1999-08-19
IL113691A0 (en) 1995-08-31
ATE226884T1 (de) 2002-11-15
JPH08187794A (ja) 1996-07-23
AU2055795A (en) 1995-12-21
ZA954816B (en) 1996-12-09
EP0687550A2 (de) 1995-12-20
DE69528686T2 (de) 2003-06-12
CA2151333C (en) 2006-06-06
EP0687550B1 (de) 2002-10-30
DK0687550T3 (da) 2003-02-24
CA2151333A1 (en) 1995-12-11
EP0687550A3 (de) 1996-11-20
EP1223026A1 (de) 2002-07-17
BR9502735A (pt) 1996-03-12
JP4094072B2 (ja) 2008-06-04
CZ146895A3 (en) 1997-04-16
US5753150A (en) 1998-05-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: BOEHMERT & BOEHMERT, 28209 BREMEN