IL113691A0 - Low oxygen molding of soft contact lenses - Google Patents

Low oxygen molding of soft contact lenses

Info

Publication number
IL113691A0
IL113691A0 IL11369195A IL11369195A IL113691A0 IL 113691 A0 IL113691 A0 IL 113691A0 IL 11369195 A IL11369195 A IL 11369195A IL 11369195 A IL11369195 A IL 11369195A IL 113691 A0 IL113691 A0 IL 113691A0
Authority
IL
Israel
Prior art keywords
lens molds
soft contact
contact lenses
low oxygen
filling
Prior art date
Application number
IL11369195A
Other languages
English (en)
Original Assignee
Johnson & Johnson Vision Prod
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 & Johnson Vision Prod filed Critical Johnson & Johnson Vision Prod
Publication of IL113691A0 publication Critical patent/IL113691A0/xx

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)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Catalysts (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Glass Compositions (AREA)
IL11369195A 1994-06-10 1995-05-11 Low oxygen molding of soft contact lenses IL113691A0 (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IL113691A0 true IL113691A0 (en) 1995-08-31

Family

ID=22977811

Family Applications (1)

Application Number Title Priority Date Filing Date
IL11369195A IL113691A0 (en) 1994-06-10 1995-05-11 Low oxygen molding of soft contact lenses

Country Status (12)

Country Link
US (1) US5753150A (cs)
EP (2) EP0687550B1 (cs)
JP (1) JP4094072B2 (cs)
AT (1) ATE226884T1 (cs)
AU (1) AU708998B2 (cs)
BR (1) BR9502735A (cs)
CA (1) CA2151333C (cs)
CZ (1) CZ146895A3 (cs)
DE (1) DE69528686T2 (cs)
DK (1) DK0687550T3 (cs)
IL (1) IL113691A0 (cs)
ZA (1) ZA954816B (cs)

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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
TW422772B (en) * 1997-03-25 2001-02-21 Novartis Ag Processes for manufacturing moldings, especially ophthalmic lenses such as contact lenses
US6113817A (en) * 1997-03-25 2000-09-05 Novartis Ag Molding processes
US20040074525A1 (en) * 2001-03-27 2004-04-22 Widman Michael F. Transfer apparatus and method and a transfer apparatus cleaner and method
US20070157553A1 (en) * 1998-12-21 2007-07-12 Voss Leslie A Heat seal apparatus for lens packages
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
DE60142978D1 (de) 2000-10-19 2010-10-14 Applied Med Resources Chirurgisches zugangsgerät und -verfahren
ATE526135T1 (de) 2001-03-26 2011-10-15 Novartis Ag Giessform und verfahren zur herstellung von opthalmischen linsen
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
EP2343032B1 (en) * 2002-06-05 2012-05-09 Applied Medical Resources Corporation Wound retractor
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
WO2005030822A2 (en) * 2003-09-23 2005-04-07 University Of North Carolina At Chapel Hill Photocurable perfluoropolyethers for use as novel materials in microfluidic devices
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 (en) 2005-08-09 2010-04-21 Univ North Carolina METHOD AND MATERIALS FOR PRODUCING MICROFLUIDIC DEVICES
US7625197B2 (en) * 2005-09-12 2009-12-01 Johnson & Johnson Vision Care, Inc. Devices and processes for performing degassing operations
EP2272447B1 (en) * 2005-10-14 2012-01-18 Applied Medical Resources Corporation Split hoop wound retractor
US20080179770A1 (en) * 2007-01-31 2008-07-31 Rooney Thomas R Free form ophthalmic lens mold
MY147130A (en) * 2007-05-18 2012-10-31 Coopervision Int Holding Co Lp Thermal curing methods and systems for forming contact lenses
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
WO2010080382A1 (en) 2008-12-18 2010-07-15 Novartis Ag Method of making an injection molded ophthalmic lens mold and of making an ophthalmic lens
EP2373479B1 (en) * 2008-12-18 2018-05-16 Novartis AG Mold and method for manufacturing an ophtalmic lens
KR101706813B1 (ko) 2010-07-09 2017-02-14 쿠퍼비젼 인터내셔날 홀딩 캄파니, 엘피 극성 열가소성 안과용 렌즈 몰드, 몰드에서 성형된 안과용 렌즈 및 관련 방법
WO2012064699A1 (en) 2010-11-10 2012-05-18 Novartis Ag Method for making contact lenses
JP6005143B2 (ja) 2011-05-10 2016-10-12 アプライド メディカル リソーシーズ コーポレイション 開創器
US10209534B2 (en) 2012-03-27 2019-02-19 Johnson & Johnson Vision Care, Inc. Increased stiffness center optic in soft contact lenses for astigmatism correction
US20130258276A1 (en) * 2012-03-27 2013-10-03 Jonathan Hansen Increased stiffness center optic in soft contact lenses for astigmatism correction
EP3498204B1 (en) 2014-08-15 2022-10-05 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
CA3001311A1 (en) 2015-10-07 2017-04-13 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
KR20230152103A (ko) * 2021-03-05 2023-11-02 보오슈 + 롬 아일랜드 리미티드 안과용 디바이스 제조용 금형
US12330384B2 (en) 2021-09-14 2025-06-17 Alcon Inc. Production line for the production of ophthalmic lenses
EP4667202A1 (en) * 2021-09-14 2025-12-24 Alcon Inc. Production line for the production of ophthalmic lenses
EP4401965B1 (en) 2021-09-14 2025-09-03 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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Also Published As

Publication number Publication date
JP4094072B2 (ja) 2008-06-04
JPH08187794A (ja) 1996-07-23
EP0687550A3 (en) 1996-11-20
DE69528686T2 (de) 2003-06-12
EP0687550A2 (en) 1995-12-20
AU708998B2 (en) 1999-08-19
US5753150A (en) 1998-05-19
CZ146895A3 (en) 1997-04-16
DE69528686D1 (de) 2002-12-05
ZA954816B (en) 1996-12-09
DK0687550T3 (da) 2003-02-24
CA2151333C (en) 2006-06-06
EP0687550B1 (en) 2002-10-30
ATE226884T1 (de) 2002-11-15
AU2055795A (en) 1995-12-21
CA2151333A1 (en) 1995-12-11
EP1223026A1 (en) 2002-07-17
BR9502735A (pt) 1996-03-12

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