FR2448970A1 - Procede pour la fabrication d'ecrans de protection des yeux et en particulier de verres a lunettes en carbonate d'allyle diglycol ou en d'autres substances ayant des proprietes similaires - Google Patents

Procede pour la fabrication d'ecrans de protection des yeux et en particulier de verres a lunettes en carbonate d'allyle diglycol ou en d'autres substances ayant des proprietes similaires

Info

Publication number
FR2448970A1
FR2448970A1 FR7921113A FR7921113A FR2448970A1 FR 2448970 A1 FR2448970 A1 FR 2448970A1 FR 7921113 A FR7921113 A FR 7921113A FR 7921113 A FR7921113 A FR 7921113A FR 2448970 A1 FR2448970 A1 FR 2448970A1
Authority
FR
France
Prior art keywords
glasses
substances
manufacture
similar properties
eye protection
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
FR7921113A
Other languages
English (en)
Other versions
FR2448970B3 (fr
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.)
Intercast Europe SpA
Original Assignee
Intercast Europe SpA
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 Intercast Europe SpA filed Critical Intercast Europe SpA
Publication of FR2448970A1 publication Critical patent/FR2448970A1/fr
Application granted granted Critical
Publication of FR2448970B3 publication Critical patent/FR2448970B3/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
    • B29D11/00432—Auxiliary operations, e.g. machines for filling the moulds
    • B29D11/00442—Curing the lens material

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Eyeglasses (AREA)

Abstract

L'INVENTION CONCERNE UN PROCEDE POUR LA FABRICATION D'ECRANS DE PROTECTION DES YEUX ET EN PARTICULIER DE VERRES A LUNETTES EN CARBONATE D'ALLYLE DIGLYCOL OU AUTRES SUBSTANCES AYANT DES PROPRIETES SIMILAIRES. LE PROCEDE FAISANT L'OBJET DE LA PRESENTE INVENTION CONSISTE ESSENTIELLEMENT A ARRETER LA POLYMERISATION DANS UN MOULE PLAN QUAND CELLE-CI A ATTEINT UNE VALEUR PREFIXEE ET A LA COMPLETER DANS UN MOULE COURBE. PAR CE PROCEDE, ON REUSSIT A OBTENIR LES AVANTAGES ECONOMIQUES DE LA POLYMERISATION DANS UN MOULE PLAN ET EN OUTRE ON REUSSIT A OBTENIR LA STABILITE DE LA COURBURE DES LENTILLES.
FR7921113A 1979-02-14 1979-08-14 Procede pour la fabrication d'ecrans de protection des yeux et en particulier de verres a lunettes en carbonate d'allyle diglycol ou en d'autres substances ayant des proprietes similaires Granted FR2448970A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT40021/79A IT1126059B (it) 1979-02-14 1979-02-14 Procedimento per la fabbricazione di schermi protettivi per gli occhi e in particolare di lenti per occhiali in carbonato di allile diglicole o in altre sostanze aventi proprieta simili

Publications (2)

Publication Number Publication Date
FR2448970A1 true FR2448970A1 (fr) 1980-09-12
FR2448970B3 FR2448970B3 (fr) 1982-06-18

Family

ID=11246666

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7921113A Granted FR2448970A1 (fr) 1979-02-14 1979-08-14 Procede pour la fabrication d'ecrans de protection des yeux et en particulier de verres a lunettes en carbonate d'allyle diglycol ou en d'autres substances ayant des proprietes similaires

Country Status (3)

Country Link
US (1) US4260564A (fr)
FR (1) FR2448970A1 (fr)
IT (1) IT1126059B (fr)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4398008A (en) * 1981-12-07 1983-08-09 Ppg Industries, Inc. Thick polyol (allyl carbonate) polymerizates and method of preparing same
JPS58167124A (ja) * 1982-03-29 1983-10-03 Nippon Oil & Fats Co Ltd プラスチツクレンズの製造法
JPS58167125A (ja) * 1982-03-29 1983-10-03 Nippon Oil & Fats Co Ltd プラスチツクレンズの製造方法
JPS6076517A (ja) * 1983-09-30 1985-05-01 Tokuyama Soda Co Ltd 改質されたポリジエチレングリコ−ルビスアリルカ−ボネ−トの製造方法
JPS60103301A (ja) * 1983-11-11 1985-06-07 Mitsui Toatsu Chem Inc 高屈折率レンズ用樹脂
US4693446A (en) * 1985-09-20 1987-09-15 Techna Vision, Inc. Gasket for molding plastic lenses
US6730244B1 (en) 1986-01-28 2004-05-04 Q2100, Inc. Plastic lens and method for the production thereof
US5364256A (en) * 1986-01-28 1994-11-15 Ophthalmic Research Group International, Inc. Apparatus for the production of plastic lenses
US5415816A (en) 1986-01-28 1995-05-16 Q2100, Inc. Method for the production of plastic lenses
US5529728A (en) * 1986-01-28 1996-06-25 Q2100, Inc. Process for lens curing and coating
US6201037B1 (en) 1986-01-28 2001-03-13 Ophthalmic Research Group International, Inc. Plastic lens composition and method for the production thereof
US5250596A (en) * 1989-07-27 1993-10-05 Edwards Bill R Acrylic resin composition
US5045613A (en) * 1989-07-27 1991-09-03 Edwards Bill R Acrylic resin composition
US5272230A (en) * 1989-07-27 1993-12-21 Edwards Bill R Acrylic resin composition
US4945122A (en) * 1989-07-27 1990-07-31 Edwards Bill R Acrylic resin composition
US5023313A (en) * 1989-07-27 1991-06-11 Edwards Bill R Acrylic resin composition
US5134210A (en) * 1989-07-27 1992-07-28 Edwards Bill R Acrylic resin composition
US5252644A (en) * 1989-07-27 1993-10-12 Edwards Bill R Acrylic resin composition
US5073587A (en) * 1990-01-16 1991-12-17 Edwards Bill R Polymeric composition and method of producing same
US5344902A (en) * 1991-06-18 1994-09-06 Occidental Research Corporation Polymerization with initiator and quaternary ammonium salt
US5243003A (en) * 1992-06-25 1993-09-07 Edwards Bill R Acrylic/carbonate resin compositions
US5514214A (en) * 1993-09-20 1996-05-07 Q2100, Inc. Eyeglass lens and mold spin coater
US5981618A (en) * 1994-06-10 1999-11-09 Johnson & Johnson Vision Products, Inc. Mold clamping and precure of a polymerizable hydrogel
US6022498A (en) 1996-04-19 2000-02-08 Q2100, Inc. Methods for eyeglass lens curing using ultraviolet light
US6280171B1 (en) 1996-06-14 2001-08-28 Q2100, Inc. El apparatus for eyeglass lens curing using ultraviolet light

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3211811A (en) * 1964-06-29 1965-10-12 Armorlite Leus Company Inc Method and apparatus for casting thermosetting plastic lenses
BE759530A (fr) * 1969-11-28 1971-04-30 Griffin Lab Inc Lentille de contact et son procede de fabrication
US4095772A (en) * 1977-05-13 1978-06-20 Weber Hermann P Casting apparatus for plastic lenses

Also Published As

Publication number Publication date
FR2448970B3 (fr) 1982-06-18
IT1126059B (it) 1986-05-14
IT7940021A0 (it) 1979-02-14
US4260564A (en) 1981-04-07

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