DE69423458T2 - Verfahren zur Herstellung eines aspherischen, bifokalen Formteils, für die Herstellung von Kunststofflinsen - Google Patents

Verfahren zur Herstellung eines aspherischen, bifokalen Formteils, für die Herstellung von Kunststofflinsen

Info

Publication number
DE69423458T2
DE69423458T2 DE69423458T DE69423458T DE69423458T2 DE 69423458 T2 DE69423458 T2 DE 69423458T2 DE 69423458 T DE69423458 T DE 69423458T DE 69423458 T DE69423458 T DE 69423458T DE 69423458 T2 DE69423458 T2 DE 69423458T2
Authority
DE
Germany
Prior art keywords
production
bifocal
aspherical
molded part
plastic lenses
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.)
Expired - Lifetime
Application number
DE69423458T
Other languages
English (en)
Other versions
DE69423458D1 (de
Inventor
Weymouth, Jr
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.)
Gentex Optics Inc
Original Assignee
Gentex Optics 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
Application filed by Gentex Optics Inc filed Critical Gentex Optics Inc
Application granted granted Critical
Publication of DE69423458D1 publication Critical patent/DE69423458D1/de
Publication of DE69423458T2 publication Critical patent/DE69423458T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B29D11/00028—Bifocal lenses; Multifocal lenses
    • 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
    • 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
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0016—Lenses
    • B29L2011/0025—Toric 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4998—Combined manufacture including applying or shaping of fluent material
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4998—Combined manufacture including applying or shaping of fluent material
    • Y10T29/49982—Coating
    • Y10T29/49984—Coating and casting
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4998—Combined manufacture including applying or shaping of fluent material
    • Y10T29/49988—Metal casting
    • Y10T29/49989—Followed by cutting or removing material

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Eyeglasses (AREA)
DE69423458T 1994-01-18 1994-12-22 Verfahren zur Herstellung eines aspherischen, bifokalen Formteils, für die Herstellung von Kunststofflinsen Expired - Lifetime DE69423458T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/182,937 US5440798A (en) 1994-01-18 1994-01-18 Method of making concave aspheric bifocal mold component

Publications (2)

Publication Number Publication Date
DE69423458D1 DE69423458D1 (de) 2000-04-20
DE69423458T2 true DE69423458T2 (de) 2000-10-26

Family

ID=22670699

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69423458T Expired - Lifetime DE69423458T2 (de) 1994-01-18 1994-12-22 Verfahren zur Herstellung eines aspherischen, bifokalen Formteils, für die Herstellung von Kunststofflinsen

Country Status (6)

Country Link
US (1) US5440798A (de)
EP (1) EP0663282B1 (de)
JP (1) JP3236749B2 (de)
DE (1) DE69423458T2 (de)
ES (1) ES2146631T3 (de)
TW (1) TW261578B (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5817267A (en) * 1995-11-13 1998-10-06 General Magnaplate Corporation Fabrication of tooling by thermal spraying
WO1999025765A1 (fr) 1997-11-17 1999-05-27 Giraffe Co., Ltd. Composition de materiau a empreinte, procede de preparation de materiau a empreinte faisant appel a cette composition, materiau a empreinte et procede de moulage dans lequel ce materiau est utilise
US6288846B1 (en) 1999-09-24 2001-09-11 Arizona Carbon Foil Co., Inc. Variable focal-length lens assembly
FR2835931B1 (fr) * 2002-02-12 2004-05-14 Marc Delery Procede pour fabriquer un verre de lunettes correcteur et palet correspondant
CN100516316C (zh) * 2003-09-20 2009-07-22 鸿富锦精密工业（深圳）有限公司 非球面塑料透镜及其模仁的制造方法
FR2883215B1 (fr) * 2005-03-17 2008-11-07 Essilor Int Procede d'usinage d'une face de lentille optalmique prismee au centre
JP5003069B2 (ja) * 2006-09-08 2012-08-15 セイコーエプソン株式会社 レンズ基板形成用型の製造方法
CN101801652B (zh) * 2007-04-23 2014-10-29 数字光学公司 微光学器件的批量制造、相应的工具、以及最终结构
US9122033B2 (en) * 2012-10-15 2015-09-01 Halliburton Energy Services, Inc. Method to install sensing cables in monitoring wells
CN115461211A (zh) * 2020-04-14 2022-12-09 依视路国际公司 用于生产模具的方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3109696A (en) * 1962-05-15 1963-11-05 American Optical Corp Method of making plastic lenses
US3428533A (en) * 1964-04-13 1969-02-18 Electro Optical Systems Inc High quality sub-masters and method for producing them
US3555126A (en) * 1967-12-19 1971-01-12 Abraham Gitson Method of making a mold and molding a bifocal lens
US3649236A (en) * 1970-03-05 1972-03-14 Bausch & Lomb Manufacture of multifocal ophthalmic lens molds
US4116753A (en) * 1976-06-14 1978-09-26 Olympus Optical Co., Ltd. Method for the manufacture of optical mold for reproducing curved surfaces having the same shape as an optical prototype
US4202848A (en) * 1977-05-25 1980-05-13 Neefe Charles W Method of making bifocal contact lenses
US4239712A (en) * 1977-05-25 1980-12-16 Neefe Optical Laboratory Method of making bifocal contact lenses
US4659524A (en) * 1985-03-12 1987-04-21 Neefe Charles W Method of molding bifocal contact lenses
US4614624A (en) * 1985-03-12 1986-09-30 Neefe Charles W Method of molding bifocal lenses
JPH01271130A (ja) * 1988-04-20 1989-10-30 Asahi Optical Co Ltd 樹脂製光学素子の非球面金型加工方法

Also Published As

Publication number Publication date
EP0663282A3 (de) 1997-04-02
ES2146631T3 (es) 2000-08-16
TW261578B (de) 1995-11-01
EP0663282B1 (de) 2000-03-15
DE69423458D1 (de) 2000-04-20
US5440798A (en) 1995-08-15
JPH07266442A (ja) 1995-10-17
EP0663282A2 (de) 1995-07-19
JP3236749B2 (ja) 2001-12-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition