TW352360B - Multiple optical curve molds formed in a solid piece of polymer - Google Patents

Multiple optical curve molds formed in a solid piece of polymer

Info

Publication number
TW352360B
TW352360B TW086111985A TW86111985A TW352360B TW 352360 B TW352360 B TW 352360B TW 086111985 A TW086111985 A TW 086111985A TW 86111985 A TW86111985 A TW 86111985A TW 352360 B TW352360 B TW 352360B
Authority
TW
Taiwan
Prior art keywords
polymer
frontcurve
molds
assembly
solid piece
Prior art date
Application number
TW086111985A
Other languages
English (en)
Inventor
Victor Lust
Daniel G Boone
Robert E Labelle
Dennis M Jones
Robert G Petit
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
Application granted granted Critical
Publication of TW352360B publication Critical patent/TW352360B/zh

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
    • B29D11/00038—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
    • 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)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Pens And Brushes (AREA)
  • Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
TW086111985A 1996-08-19 1997-10-17 Multiple optical curve molds formed in a solid piece of polymer TW352360B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/699,629 US5938988A (en) 1996-08-19 1996-08-19 Multiple optical curve molds formed in a solid piece of polymer

Publications (1)

Publication Number Publication Date
TW352360B true TW352360B (en) 1999-02-11

Family

ID=24810189

Family Applications (1)

Application Number Title Priority Date Filing Date
TW086111985A TW352360B (en) 1996-08-19 1997-10-17 Multiple optical curve molds formed in a solid piece of polymer

Country Status (9)

Country Link
US (1) US5938988A (zh)
EP (1) EP0825013B1 (zh)
JP (1) JPH10156887A (zh)
AT (1) ATE239609T1 (zh)
AU (1) AU727877B2 (zh)
CA (1) CA2213185C (zh)
DE (1) DE69721663T2 (zh)
SG (1) SG71718A1 (zh)
TW (1) TW352360B (zh)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4183418B2 (ja) 1999-09-01 2008-11-19 株式会社トーメー コンタクトレンズ材の製造方法及び装置並びにそれに用いられる射出成形用金型
US6422932B1 (en) * 1999-10-15 2002-07-23 3M Innovative Properties Company Integrally molded brush and method for making the same
US6543984B1 (en) 2000-03-31 2003-04-08 Bausch & Lomb Incorporated Lens transfer method and devices
EP1245373B8 (en) * 2001-03-27 2007-02-21 Novartis AG Mold assembly for producing a plurality of contact lenses
US6708397B2 (en) * 2001-08-09 2004-03-23 Johnson & Johnson Vision Care, Inc. Inlay station with alignment assemblies and transfer tubes
US6729835B2 (en) 2002-03-28 2004-05-04 Bausch & Lomb Incorporated Handling assembly for fixturing ophthalmic lenses
DE602005016825D1 (de) * 2005-12-13 2009-11-05 Sauflon Cl Ltd Herstellung von Kontakt-Linsen
US9764501B2 (en) 2014-12-19 2017-09-19 Coopervision International Holding Company, Lp Contact lens mold parts, contact lens mold assemblies, and methods of making contact lenses
US10029402B2 (en) 2014-12-19 2018-07-24 Coopervision International Holding Company, Lp Method and apparatus for manufacturing contact lenses
US10137612B2 (en) 2014-12-19 2018-11-27 Coopervision International Holding Company, Lp Methods and apparatus for manufacture of ophthalmic lenses
US9938034B2 (en) 2014-12-19 2018-04-10 Coopervision International Holding Company, Lp Method and apparatus relating to manufacture of molds for forming contact lenses
US9937640B2 (en) 2014-12-19 2018-04-10 Coopervision International Holding Company, Lp Apparatus and method for closure of ophthalmic lens molds

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4121896A (en) * 1976-03-24 1978-10-24 Shepherd Thomas H Apparatus for the production of contact lenses
US4254065A (en) * 1979-04-04 1981-03-03 Ratkowski Donald J Injection molding of contact lenses
US4284591A (en) * 1980-04-28 1981-08-18 Neefe Optica Lab Inc. Injection molding of optical lenses and optical molds
US4565348A (en) * 1981-04-30 1986-01-21 Mia-Lens Production A/S Mold for making contact lenses, the male mold member being more flexible than the female mold member
JPS61258718A (ja) * 1985-05-10 1986-11-17 Matsushita Electric Ind Co Ltd プラスチツク光学装置
US4836960A (en) * 1987-10-05 1989-06-06 Sola Usa, Inc. Fabrication of thermoplastic optical components by injection/compression molding
US4889664A (en) * 1988-11-25 1989-12-26 Vistakon, Inc. Method of forming shaped hydrogel articles including contact lenses
US5039459A (en) * 1988-11-25 1991-08-13 Johnson & Johnson Vision Products, Inc. Method of forming shaped hydrogel articles including contact lenses
US5545366A (en) * 1994-06-10 1996-08-13 Lust; Victor Molding arrangement to achieve short mold cycle time and method of molding
US5681510A (en) * 1994-10-13 1997-10-28 Bausch & Lomb Incorporated Method for treating plastic mold pieces

Also Published As

Publication number Publication date
SG71718A1 (en) 2000-04-18
EP0825013A1 (en) 1998-02-25
ATE239609T1 (de) 2003-05-15
AU727877B2 (en) 2001-01-04
EP0825013B1 (en) 2003-05-07
AU3416697A (en) 1998-02-26
MX9706295A (es) 1998-05-31
DE69721663T2 (de) 2004-04-01
US5938988A (en) 1999-08-17
CA2213185A1 (en) 1998-02-19
CA2213185C (en) 2006-11-07
JPH10156887A (ja) 1998-06-16
DE69721663D1 (de) 2003-06-12

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees