ES476080A1 - Un aparato perfeccionado para fabricar una lente. - Google Patents

Un aparato perfeccionado para fabricar una lente.

Info

Publication number
ES476080A1
ES476080A1 ES476080A ES476080A ES476080A1 ES 476080 A1 ES476080 A1 ES 476080A1 ES 476080 A ES476080 A ES 476080A ES 476080 A ES476080 A ES 476080A ES 476080 A1 ES476080 A1 ES 476080A1
Authority
ES
Spain
Prior art keywords
bifocal
lens
molds
resin material
lower mold
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
Application number
ES476080A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of ES476080A1 publication Critical patent/ES476080A1/es
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
    • B29D11/00028—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
    • B29D11/00528—Consisting of two mould halves joined by an annular gasket
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/808—Lens mold

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Eyeglasses (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

Un aparato perfeccionado para fabricar una lente, que utiliza un molde superior y un molde inferior, y que comprende en combinación: un soporte que incluye una porción de base; y unos medios de apoyo operativamente asociados a dicha porción de base de modo que mantienen dichos moldes en la posición de apoyados, verticalmente distanciados y desmontables uno respecto al otro, de tal modo que se forma una lente entre las superficies oponentes en superposición de dichos moldes.
ES476080A 1977-03-10 1978-12-16 Un aparato perfeccionado para fabricar una lente. Expired ES476080A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US77612977A 1977-03-10 1977-03-10
US05/810,357 US4190621A (en) 1977-03-10 1977-06-27 Method for molding optical plastic lenses of the standard and bifocal type

Publications (1)

Publication Number Publication Date
ES476080A1 true ES476080A1 (es) 1979-08-16

Family

ID=27119152

Family Applications (2)

Application Number Title Priority Date Filing Date
ES467649A Expired ES467649A1 (es) 1977-03-10 1978-03-08 Un metodo perfeccionado de fabricar una lente
ES476080A Expired ES476080A1 (es) 1977-03-10 1978-12-16 Un aparato perfeccionado para fabricar una lente.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES467649A Expired ES467649A1 (es) 1977-03-10 1978-03-08 Un metodo perfeccionado de fabricar una lente

Country Status (18)

Country Link
US (1) US4190621A (es)
JP (1) JPS53124570A (es)
BE (1) BE864672A (es)
CA (1) CA1098268A (es)
CH (1) CH625458A5 (es)
DE (1) DE2809610A1 (es)
DK (1) DK105278A (es)
ES (2) ES467649A1 (es)
FI (1) FI780749A (es)
FR (1) FR2383002A1 (es)
GB (1) GB1601327A (es)
IE (1) IE46344B1 (es)
IL (1) IL54079A (es)
IT (1) IT1108328B (es)
NL (1) NL7802485A (es)
NO (1) NO780731L (es)
PT (1) PT67745A (es)
SE (1) SE7802719L (es)

Families Citing this family (109)

* Cited by examiner, † Cited by third party
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US4637904A (en) * 1983-11-14 1987-01-20 Rohm And Haas Company Process for molding a polymeric layer onto a substrate
US4605524A (en) * 1984-11-19 1986-08-12 Danker Laboratories, Inc. Method and master-die for casting a bifocal contact lens in a single piece
FR2576820B1 (fr) * 1985-02-01 1989-04-07 Essilor Int Bague d'appui pour la fixation d'un bloc de montage sur la face finie a courbure progressivement variable d'une ebauche semi-finie d'un palet, tel que lentille ophtalmique ou moule
US4693446A (en) * 1985-09-20 1987-09-15 Techna Vision, Inc. Gasket for molding plastic lenses
JPS62295001A (ja) * 1986-06-14 1987-12-22 Nippon Sheet Glass Co Ltd 合成樹脂製多焦点球面レンズおよびその製法
JPS63247014A (ja) * 1987-04-03 1988-10-13 Takashi Mori 透明カプセルの製造装置
BR8802923A (pt) * 1987-06-18 1989-01-03 Ocular Technologies Inc Processo de fabricacao de uma lente de contato,matriz para fabricacao de uma lente de contato e forma para fabricar uma matriz
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US5178800A (en) * 1990-10-10 1993-01-12 Innotech, Inc. Method for forming plastic optical quality spectacle lenses
US5147585A (en) * 1987-10-30 1992-09-15 Blum Ronald D Method for forming plastic optical quality spectacle lenses
FR2638391B1 (fr) * 1988-10-27 1991-01-25 Essilor Int Procede pour le formage d'une lentille ophtalmique a partir d'un palet en matiere synthetique
US5141678A (en) * 1990-10-10 1992-08-25 Blum Ronald D Method for forming disposable molds for producing optical quality lenses
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US5470892A (en) * 1992-05-01 1995-11-28 Innotech, Inc. Polymerizable resin for forming clear, hard plastics
US5288221A (en) * 1992-05-18 1994-02-22 Essilor Of America, Inc. Apparatus for making ophthalmic lenses
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CA2178068C (en) * 1993-12-10 2001-05-15 Amitava Gupta Photochromic lenses and method for manufacturing
JPH08216271A (ja) * 1995-02-10 1996-08-27 Kureha Chem Ind Co Ltd 合成樹脂製調光レンズの製造方法
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US6609793B2 (en) * 2000-05-23 2003-08-26 Pharmacia Groningen Bv Methods of obtaining ophthalmic lenses providing the eye with reduced aberrations
US8020995B2 (en) * 2001-05-23 2011-09-20 Amo Groningen Bv Methods of obtaining ophthalmic lenses providing the eye with reduced aberrations
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Also Published As

Publication number Publication date
NO780731L (no) 1978-09-12
JPS53124570A (en) 1978-10-31
IE780488L (en) 1978-09-10
IL54079A (en) 1981-03-31
ES467649A1 (es) 1979-09-01
IT1108328B (it) 1985-12-09
IT7867493A0 (it) 1978-03-08
FR2383002A1 (fr) 1978-10-06
FI780749A (fi) 1978-09-11
GB1601327A (en) 1981-10-28
DK105278A (da) 1978-09-11
IE46344B1 (en) 1983-05-04
CH625458A5 (en) 1981-09-30
PT67745A (en) 1978-04-01
CA1098268A (en) 1981-03-31
IL54079A0 (en) 1978-04-30
FR2383002B1 (es) 1983-02-25
DE2809610A1 (de) 1978-09-14
US4190621A (en) 1980-02-26
SE7802719L (sv) 1978-09-11
NL7802485A (nl) 1978-09-12
BE864672A (fr) 1978-07-03

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19971201