JPS5513009B2 - - Google Patents

Info

Publication number
JPS5513009B2
JPS5513009B2 JP4828573A JP4828573A JPS5513009B2 JP S5513009 B2 JPS5513009 B2 JP S5513009B2 JP 4828573 A JP4828573 A JP 4828573A JP 4828573 A JP4828573 A JP 4828573A JP S5513009 B2 JPS5513009 B2 JP S5513009B2
Authority
JP
Japan
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.)
Expired
Application number
JP4828573A
Other languages
Japanese (ja)
Other versions
JPS4949646A (en]
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 US00312909A external-priority patent/US3846013A/en
Application filed filed Critical
Publication of JPS4949646A publication Critical patent/JPS4949646A/ja
Publication of JPS5513009B2 publication Critical patent/JPS5513009B2/ja
Expired 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
    • B29D11/0048—Moulds for lenses
    • B29D11/00528—Consisting of two mould halves joined by an annular gasket
    • 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
    • B29C33/0038—Moulds or cores; Details thereof or accessories therefor with sealing means or the like
    • 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
    • B29D11/00413—Production of simple or compound lenses made by moulding between two mould parts which are not in direct contact with one another, e.g. comprising a seal between or on the edges
    • 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
    • B29D11/0073—Optical laminates
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G02C7/04—Contact lenses for the eyes
    • G02C7/049—Contact lenses having special fitting or structural features achieved by special materials or material structures
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/12—Polarisers
    • 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
    • B29L2031/76—Office equipment or accessories
    • B29L2031/7602—Maps
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C2202/00—Generic optical aspects applicable to one or more of the subgroups of G02C7/00
    • G02C2202/16—Laminated or compound lenses

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Manufacturing & Machinery (AREA)
  • General Health & Medical Sciences (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Eyeglasses (AREA)
JP4828573A 1972-05-02 1973-04-26 Expired JPS5513009B2 (en])

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US24955072A 1972-05-02 1972-05-02
US24954972A 1972-05-02 1972-05-02
US26625072A 1972-06-26 1972-06-26
US00312909A US3846013A (en) 1972-05-02 1972-12-07 Light-polarizing element

Publications (2)

Publication Number Publication Date
JPS4949646A JPS4949646A (en]) 1974-05-14
JPS5513009B2 true JPS5513009B2 (en]) 1980-04-05

Family

ID=27500323

Family Applications (2)

Application Number Title Priority Date Filing Date
JP4828573A Expired JPS5513009B2 (en]) 1972-05-02 1973-04-26
JP2076178A Granted JPS53121640A (en) 1972-05-02 1978-02-24 Piled light lens element

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2076178A Granted JPS53121640A (en) 1972-05-02 1978-02-24 Piled light lens element

Country Status (7)

Country Link
JP (2) JPS5513009B2 (en])
CA (1) CA986760A (en])
DE (1) DE2321886C2 (en])
FR (1) FR2183108B1 (en])
GB (1) GB1435329A (en])
IT (1) IT983041B (en])
NL (1) NL180569C (en])

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4693446A (en) 1985-09-20 1987-09-15 Techna Vision, Inc. Gasket for molding plastic lenses
US4873029A (en) * 1987-10-30 1989-10-10 Blum Ronald D Method for manufacturing lenses
US5286419A (en) * 1992-02-20 1994-02-15 Bmc Industries, Inc. Process for making a light polarizing spectacle lens
JP3664522B2 (ja) * 1995-07-18 2005-06-29 松下電器産業株式会社 光学素子成形型、光学素子成形方法及び光学素子
US6801360B2 (en) * 2002-10-28 2004-10-05 International Polarizer, Inc. Polarized lens formed by injection/coining injection molding process
JP4485838B2 (ja) * 2003-08-19 2010-06-23 株式会社 サンルックス 偏光プラスチックレンズの製造方法、及び偏光プラスチックフィルムの製造方法
CA2563763C (en) 2004-04-19 2014-10-14 Sunlux Co., Ltd. Polarizing plastic optical device and process for producing the same
JP5166785B2 (ja) * 2007-06-25 2013-03-21 株式会社 サンルックス 偏光プラスチックレンズの製造方法
JP5046790B2 (ja) * 2007-08-22 2012-10-10 株式会社ニコン・エシロール ガスケット、及び光学素子の製造方法
WO2010073625A1 (ja) * 2008-12-22 2010-07-01 株式会社ニコン・エシロール 樹脂レンズの製造方法、樹脂レンズ製造用モールド、及び樹脂レンズ内挿用フィルム
EP3593981B1 (en) 2018-07-12 2022-12-21 Essilor International Improved molding device for casting an optical article with wafer on top, corresponding method and opticle article

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB581197A (en) * 1944-06-23 1946-10-03 John Johnson Improvements in the manufacture of lenses
FR1342927A (fr) * 1963-11-04 1963-11-15 Procédé de surmoulage de pièces injectées
US3354938A (en) * 1964-07-02 1967-11-28 American Optical Corp Apparatus for blocking lenses
FR1513299A (fr) * 1966-09-02 1968-02-16 Verreries De Goetzenbruck S A Procédé de fabrication d'écrans ou d'oculaires composites en matière organique
FR2118305A5 (en]) * 1970-12-14 1972-07-28 Vergo Sa
DE2118906C2 (de) * 1971-04-19 1982-05-06 Polaroid Corp., 02139 Cambridge, Mass. Polarisierende, mehrschichtige Brillenlinse
FR2134094A1 (en) * 1971-04-19 1972-12-08 Polaroid Corp Synthetic plastic correction lenses

Also Published As

Publication number Publication date
CA986760A (en) 1976-04-06
JPS4949646A (en]) 1974-05-14
JPS53121640A (en) 1978-10-24
FR2183108B1 (en]) 1977-04-29
DE2321886A1 (de) 1973-11-15
IT983041B (it) 1974-10-31
NL180569C (nl) 1987-03-16
AU5493473A (en) 1974-10-31
NL180569B (nl) 1986-10-16
NL7306093A (en]) 1973-11-06
FR2183108A1 (en]) 1973-12-14
GB1435329A (en) 1976-05-12
JPS6226289B2 (en]) 1987-06-08
DE2321886C2 (de) 1984-09-13

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