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

    • 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
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/38Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
    • B29C33/3842Manufacturing moulds, e.g. shaping the mould surface by machining
    • 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
    • B29C37/00Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/006Degassing moulding material or draining off gas during moulding
    • 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
    • B29C39/42Casting under special conditions, e.g. vacuum
    • 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
    • B29D11/00125Auxiliary operations, e.g. removing oxygen from the mould, conveying moulds from a storage to the production line in an inert atmosphere
    • 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
    • B29C2791/00Shaping characteristics in general
    • B29C2791/001Shaping in several steps
    • 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
    • B29C2791/00Shaping characteristics in general
    • B29C2791/004Shaping under special conditions
    • B29C2791/005Using a particular environment, e.g. sterile fluids other than air
    • 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
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2105/00Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0002Condition, form or state of moulded material or of the material to be shaped monomers or prepolymers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2825/00Use of polymers of vinyl-aromatic compounds or derivatives thereof as mould material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00Optical elements, e.g. lenses, prisms
    • B29L2011/0016Lenses
    • B29L2011/0041Contact lenses
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/757Moulds, 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)
  • Compositions Of Macromolecular Compounds (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (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 (de)
EP (2) EP0687550B1 (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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US20040112008A1 (en) 1998-12-21 2004-06-17 Voss Leslie A. Heat seal apparatus for lens packages
US6610220B1 (en) * 1998-12-28 2003-08-26 Johnson & Johnson Vision Care, Inc. Process of manufacturing contact lenses with measured exposure to oxygen
US6241918B1 (en) * 1998-12-28 2001-06-05 Johnson & Johnson Vision Care, Inc. Process of manufacturing contact lenses in ambient environment
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US20050020884A1 (en) * 2003-02-25 2005-01-27 Hart Charles C. Surgical access system
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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
EP2537657A3 (de) 2005-08-09 2016-05-04 The University of North Carolina At Chapel Hill 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
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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
US20100155972A1 (en) * 2008-12-18 2010-06-24 Tollefson Norris M Injection molded ophthalmic lens mold
HUE039327T2 (hu) * 2008-12-18 2018-12-28 Novartis Ag Szerszám és eljárás szemészeti lencsék gyártására
CN103052495B (zh) 2010-07-09 2017-09-29 库柏维景国际控股公司 具有低水平紫外(uv)光透射率的眼科镜片模具、其中模制的眼科镜片和相关方法
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ES2822115T3 (es) 2011-05-10 2021-04-29 Applied Med Resources Dispositivo retractor de heridas
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
KR20230038321A (ko) 2014-08-15 2023-03-17 어플라이드 메디컬 리소시스 코포레이션 자연 개구 수술 시스템
WO2016085930A2 (en) 2014-11-25 2016-06-02 Applied Medical Resources Corporation Circumferential wound retraction with support and guidance structures
EP4238506A3 (de) 2015-10-07 2023-11-15 Applied Medical Resources Corporation Wundspreizer mit mehrteiligem aussenring
US11125916B2 (en) 2016-07-06 2021-09-21 Johnson & Johnson Vision Care, Inc. Silicone hydrogels comprising N-alkyl methacrylamides and contact lenses made thereof
US20220281192A1 (en) * 2021-03-05 2022-09-08 Bausch + Lomb Ireland Limited Molds for production of ophthalmic devices
US20230084287A1 (en) * 2021-09-14 2023-03-16 Alcon Inc. Production line for the production of ophthalmic lenses
US20230079414A1 (en) * 2021-09-14 2023-03-16 Alcon Inc. Production line for the production of ophthalmic lenses
TW202337672A (zh) * 2021-09-14 2023-10-01 瑞士商愛爾康公司 用於生產眼科透鏡之生產線

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Also Published As

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

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