FR2402525A1 - Procede de fabrication de compositions de lentilles de contact molles et nouveaux produits ainsi obtenus - Google Patents

Procede de fabrication de compositions de lentilles de contact molles et nouveaux produits ainsi obtenus

Info

Publication number
FR2402525A1
FR2402525A1 FR7825968A FR7825968A FR2402525A1 FR 2402525 A1 FR2402525 A1 FR 2402525A1 FR 7825968 A FR7825968 A FR 7825968A FR 7825968 A FR7825968 A FR 7825968A FR 2402525 A1 FR2402525 A1 FR 2402525A1
Authority
FR
France
Prior art keywords
lens
component
original solution
molds
monomers
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.)
Granted
Application number
FR7825968A
Other languages
English (en)
French (fr)
Other versions
FR2402525B1 (cg-RX-API-DMAC7.html
Inventor
Shinzo Ohkado
Hideki Kenjo
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.)
Toray Industries Inc
Original Assignee
Toray Industries 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
Priority claimed from JP10892577A external-priority patent/JPS5923271B2/ja
Priority claimed from JP10892677A external-priority patent/JPS5443284A/ja
Application filed by Toray Industries Inc filed Critical Toray Industries Inc
Publication of FR2402525A1 publication Critical patent/FR2402525A1/fr
Application granted granted Critical
Publication of FR2402525B1 publication Critical patent/FR2402525B1/fr
Granted legal-status Critical Current

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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • G02B1/041—Lenses
    • G02B1/043—Contact lenses
    • 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)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Eyeglasses (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
FR7825968A 1977-09-12 1978-09-08 Procede de fabrication de compositions de lentilles de contact molles et nouveaux produits ainsi obtenus Granted FR2402525A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10892577A JPS5923271B2 (ja) 1977-09-12 1977-09-12 ソフトコンタクトレンズの製造方法
JP10892677A JPS5443284A (en) 1977-09-12 1977-09-12 Dope for forming soft contact lens

Publications (2)

Publication Number Publication Date
FR2402525A1 true FR2402525A1 (fr) 1979-04-06
FR2402525B1 FR2402525B1 (cg-RX-API-DMAC7.html) 1982-02-05

Family

ID=26448750

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7825968A Granted FR2402525A1 (fr) 1977-09-12 1978-09-08 Procede de fabrication de compositions de lentilles de contact molles et nouveaux produits ainsi obtenus

Country Status (5)

Country Link
US (2) US4347198A (cg-RX-API-DMAC7.html)
AU (1) AU530070B2 (cg-RX-API-DMAC7.html)
DE (1) DE2839249A1 (cg-RX-API-DMAC7.html)
FR (1) FR2402525A1 (cg-RX-API-DMAC7.html)
GB (1) GB2006091B (cg-RX-API-DMAC7.html)

Cited By (4)

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EP0187652A3 (en) * 1985-01-09 1988-11-30 Toyo Contact Lens Co., Ltd. High water-absorptive soft contact lens
EP0216074A3 (en) * 1985-07-31 1989-10-18 Ciba-Geigy Ag Polyvinyl alcohol derivatives and crosslinked hydrogel contact lenses made therefrom
WO1993004848A1 (en) * 1991-09-12 1993-03-18 Bausch & Lomb Incorporated Method and apparatus for molding lenses
EP0645235A3 (en) * 1990-04-17 1996-04-24 Johnson & Johnson Vision Prod Process for hydration of weak contact lenses.

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US4680336A (en) * 1984-11-21 1987-07-14 Vistakon, Inc. Method of forming shaped hydrogel articles
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US4665123A (en) * 1985-12-13 1987-05-12 Ciba-Geigy Corporation Polyvinyl alcohol derivatives containing pendant (meth)acryloylvinylic monomer reaction product units bound through urethane groups and hydrogel contact lenses made therefrom
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CS260213B1 (en) * 1986-03-05 1988-12-15 Jiri Sulc Method of polymerization casting of articles especially lenses from hydrophilic gels and equipment for realization of this method
US4729892A (en) * 1986-03-21 1988-03-08 Ciba-Geigy Corporation Use of cross-linked hydrogel materials as image contrast agents in proton nuclear magnetic resonance tomography and tissue phantom kits containing such materials
US5149052A (en) * 1987-11-16 1992-09-22 Kingston Technologies, Inc. Precision molding of polymers
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US4978713A (en) * 1987-12-16 1990-12-18 Ciba-Geigy Corporation Polyvinyl alcohol derivatives containing pendant vinylic monomer reaction product units bound through ether groups and hydrogel contact lenses made therefrom
JP2802287B2 (ja) * 1988-05-31 1998-09-24 ピルキングトン ビジョンケア インコーポレイテッド コンタクトレンズ材料とその製法
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US5039459A (en) * 1988-11-25 1991-08-13 Johnson & Johnson Vision Products, Inc. Method of forming shaped hydrogel articles including contact lenses
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0187652A3 (en) * 1985-01-09 1988-11-30 Toyo Contact Lens Co., Ltd. High water-absorptive soft contact lens
US4829126A (en) * 1985-01-09 1989-05-09 Toyo Contact Lens Co., Ltd. High water-absorptive soft contact lens
EP0216074A3 (en) * 1985-07-31 1989-10-18 Ciba-Geigy Ag Polyvinyl alcohol derivatives and crosslinked hydrogel contact lenses made therefrom
EP0645235A3 (en) * 1990-04-17 1996-04-24 Johnson & Johnson Vision Prod Process for hydration of weak contact lenses.
WO1993004848A1 (en) * 1991-09-12 1993-03-18 Bausch & Lomb Incorporated Method and apparatus for molding lenses
US5271875A (en) * 1991-09-12 1993-12-21 Bausch & Lomb Incorporated Method for molding lenses
US5466147A (en) * 1991-09-12 1995-11-14 Bausch & Lomb Incorporated Apparatus for molding lenses

Also Published As

Publication number Publication date
GB2006091B (en) 1982-03-31
GB2006091A (en) 1979-05-02
AU530070B2 (en) 1983-06-30
DE2839249C2 (cg-RX-API-DMAC7.html) 1991-09-12
AU3974878A (en) 1980-03-20
US4347198A (en) 1982-08-31
US4699934A (en) 1987-10-13
DE2839249A1 (de) 1979-03-22
FR2402525B1 (cg-RX-API-DMAC7.html) 1982-02-05

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