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 (en) * 1995-07-18 2005-06-29 松下電器産業株式会社 Optical element molding die, optical element molding method, and optical element
US6801360B2 (en) * 2002-10-28 2004-10-05 International Polarizer, Inc. Polarized lens formed by injection/coining injection molding process
JP4485838B2 (en) * 2003-08-19 2010-06-23 株式会社 サンルックス Manufacturing method of polarizing plastic lens and manufacturing method of polarizing plastic film
CA2563763C (en) * 2004-04-19 2014-10-14 Sunlux Co., Ltd. Polarizing plastic optical device and process for producing the same
JP5166785B2 (en) * 2007-06-25 2013-03-21 株式会社 サンルックス Manufacturing method of polarizing plastic lens
JP5046790B2 (en) * 2007-08-22 2012-10-10 株式会社ニコン・エシロール Gasket and optical element manufacturing method
JPWO2010073625A1 (en) * 2008-12-22 2012-06-07 株式会社ニコン・エシロール Resin lens manufacturing method, resin lens manufacturing mold, and resin lens interpolating film
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 (en) * 1963-11-04 1963-11-15 Overmolding process for injected parts
US3354938A (en) * 1964-07-02 1967-11-28 American Optical Corp Apparatus for blocking lenses
FR1513299A (en) * 1966-09-02 1968-02-16 Verreries De Goetzenbruck S A Process for manufacturing composite screens or eyepieces in organic material
FR2118305A5 (en) * 1970-12-14 1972-07-28 Vergo Sa
FR2134094A1 (en) * 1971-04-19 1972-12-08 Polaroid Corp Synthetic plastic correction lenses
DE2118906C2 (en) * 1971-04-19 1982-05-06 Polaroid Corp., 02139 Cambridge, Mass. Polarizing, multilayer eyeglass lens

Also Published As

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

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