JPS5746417B2 - - Google Patents

Info

Publication number
JPS5746417B2
JPS5746417B2 JP50037698A JP3769875A JPS5746417B2 JP S5746417 B2 JPS5746417 B2 JP S5746417B2 JP 50037698 A JP50037698 A JP 50037698A JP 3769875 A JP3769875 A JP 3769875A JP S5746417 B2 JPS5746417 B2 JP S5746417B2
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
JP50037698A
Other versions
JPS50134447A (ja
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 filed Critical
Publication of JPS50134447A publication Critical patent/JPS50134447A/ja
Publication of JPS5746417B2 publication Critical patent/JPS5746417B2/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
    • B29D11/00019—Production of simple or compound lenses with non-spherical faces, e.g. toric faces
JP50037698A 1974-03-29 1975-03-28 Expired JPS5746417B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7411177A FR2265515B1 (ja) 1974-03-29 1974-03-29

Publications (2)

Publication Number Publication Date
JPS50134447A JPS50134447A (ja) 1975-10-24
JPS5746417B2 true JPS5746417B2 (ja) 1982-10-02

Family

ID=9137063

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50037698A Expired JPS5746417B2 (ja) 1974-03-29 1975-03-28

Country Status (5)

Country Link
US (1) US4018587A (ja)
JP (1) JPS5746417B2 (ja)
DE (1) DE2513794C2 (ja)
FR (1) FR2265515B1 (ja)
GB (1) GB1441740A (ja)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2329427A1 (fr) * 1975-10-30 1977-05-27 Essilor Int Procede pour la realisation d'une lentille ophtalmique a puissance focale progressivement variable, et palet semi-fini formant un produit intermediaire dans ce procede
DE3117474A1 (de) * 1981-05-02 1982-11-18 Fa. Carl Zeiss, 7920 Heidenheim Verfahren und vorrichtung zum herstellen von formteilen mit asphaerischen oberflaechen
DE3813507A1 (de) * 1988-04-22 1989-11-02 Walter Vieweg Optische hilfsmittel, und befestigung derer, zur korrektion von fehlsichtigkeiten, insbesondere bei schwimm- und taucherbrillen
US5141678A (en) * 1990-10-10 1992-08-25 Blum Ronald D Method for forming disposable molds for producing optical quality lenses
US5583589A (en) * 1995-07-07 1996-12-10 Phillips Lens Co., Inc. Process for forming a monocentric seamless bifocal lens
WO2007058353A1 (ja) * 2005-11-18 2007-05-24 Hoya Corporation 成形品の製造方法、ガラス素材、ならびにガラス素材および成形型の面形状決定方法
EP1964819B1 (en) * 2005-11-18 2017-05-10 Hoya Corporation Process for producing a molded article
CN101321700B (zh) * 2005-11-30 2012-01-11 Hoya株式会社 成形品的制造方法、密封部件以及包括其的成形装置
JP4623012B2 (ja) * 2006-02-22 2011-02-02 セイコーエプソン株式会社 多焦点レンズの製造方法
WO2009144943A1 (ja) * 2008-05-30 2009-12-03 Hoya株式会社 レンズ用鋳型の製造方法
CN102413999A (zh) * 2009-02-27 2012-04-11 Hoya株式会社 透镜用铸模的制造方法及眼镜透镜的制造方法
WO2010098137A1 (ja) * 2009-02-27 2010-09-02 Hoya株式会社 レンズ用鋳型の製造方法および眼鏡レンズの製造方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US901659A (en) * 1908-03-02 1908-10-20 Frederick A Stevens Method of making bifocal lenses.
US1619341A (en) * 1925-08-10 1927-03-01 American Optical Corp Ophthalmic lens
US2015007A (en) * 1933-04-04 1935-09-17 United Kingdom Optical Company Manufacture of lenses and glasses
US2394934A (en) * 1942-04-25 1946-02-12 Libbey Owens Ford Glass Co Process of producing ophthalmic lenses
US2482698A (en) * 1943-05-06 1949-09-20 American Optical Corp Optical lens means having a nonspherical refracting surface
US2890486A (en) * 1955-08-29 1959-06-16 American Optical Corp Mold for producing lens of any shape from a polymerizable material
US3297422A (en) * 1963-04-05 1967-01-10 Unvivis Inc Method of making molds for multifocal ophthalmic lenses
GB1163002A (en) * 1966-05-06 1969-09-04 Kirk Optical Lens Co Inc Light transmitting element.
US3889431A (en) * 1973-09-04 1975-06-17 Celestron Pacific Method for making schmidt corrector lenses
US3946982A (en) * 1974-09-03 1976-03-30 Textron, Inc. Adjustable mold for direct casting of plastic multifocal lenses

Also Published As

Publication number Publication date
US4018587A (en) 1977-04-19
FR2265515A1 (ja) 1975-10-24
DE2513794A1 (de) 1975-10-09
GB1441740A (en) 1976-07-07
DE2513794C2 (de) 1984-10-04
FR2265515B1 (ja) 1976-10-08
JPS50134447A (ja) 1975-10-24

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