FR2723790B1 - Verre de lunettes a puissance progressive et moule pour le produire - Google Patents

Verre de lunettes a puissance progressive et moule pour le produire

Info

Publication number
FR2723790B1
FR2723790B1 FR9509982A FR9509982A FR2723790B1 FR 2723790 B1 FR2723790 B1 FR 2723790B1 FR 9509982 A FR9509982 A FR 9509982A FR 9509982 A FR9509982 A FR 9509982A FR 2723790 B1 FR2723790 B1 FR 2723790B1
Authority
FR
France
Prior art keywords
mold
producing
same
progressive power
power glasses
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 - Fee Related
Application number
FR9509982A
Other languages
English (en)
Other versions
FR2723790A1 (fr
Inventor
Moriyasu Shirayanagi
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo Co Ltd
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 Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Publication of FR2723790A1 publication Critical patent/FR2723790A1/fr
Application granted granted Critical
Publication of FR2723790B1 publication Critical patent/FR2723790B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
    • G02C7/061—Spectacle lenses with progressively varying focal power
    • 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

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Eyeglasses (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
FR9509982A 1994-08-22 1995-08-22 Verre de lunettes a puissance progressive et moule pour le produire Expired - Fee Related FR2723790B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19701994A JP3619264B2 (ja) 1994-08-22 1994-08-22 累進多焦点レンズ、およびその成形型

Publications (2)

Publication Number Publication Date
FR2723790A1 FR2723790A1 (fr) 1996-02-23
FR2723790B1 true FR2723790B1 (fr) 2001-11-23

Family

ID=16367423

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9509982A Expired - Fee Related FR2723790B1 (fr) 1994-08-22 1995-08-22 Verre de lunettes a puissance progressive et moule pour le produire

Country Status (5)

Country Link
US (2) US5844657A (fr)
JP (1) JP3619264B2 (fr)
DE (1) DE19530866A1 (fr)
FR (1) FR2723790B1 (fr)
GB (1) GB2292618B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3605281B2 (ja) 1998-03-18 2004-12-22 ペンタックス株式会社 累進多焦点レンズ
JP3881449B2 (ja) 1998-04-17 2007-02-14 ペンタックス株式会社 累進多焦点レンズの加工方法
US6183084B1 (en) 1998-07-30 2001-02-06 Johnson & Johnson Vision Care, Inc. Progressive addition lenses
US6086203A (en) * 1998-09-03 2000-07-11 Johnson & Johnson Vision Care, Inc. Progressive addition lenses
US6149271A (en) * 1998-10-23 2000-11-21 Innotech, Inc. Progressive addition lenses
US6199984B1 (en) * 1999-03-17 2001-03-13 Johnson & Johnson Vision Care, Inc. Progressive addition lenses with varying power profiles
US6231184B1 (en) 1999-11-12 2001-05-15 Johnson & Johnson Vision Care, Inc. Progressive addition lenses
US20080146878A1 (en) * 2006-12-14 2008-06-19 Karen Naimoli Frost Magnification attachment / accessory for laryngoscopes
DE102011009953B4 (de) * 2011-02-01 2012-08-16 Ludwig Hofbauer Stereoskopische Korrektionsbrillengläser und Verfahren zur Herstellung derselben
EP2505345A1 (fr) * 2011-03-31 2012-10-03 ESSILOR INTERNATIONAL (Compagnie Générale d'Optique) Procédé pour la conception d'un moule pour couler un palet ophtalmique semi-fini, procédé pour assembler l'ensemble formant moule, procédé pour couler un palet ophtalmique semi-fini et produit de programme informatique pour réaliser lesdits procédés

Family Cites Families (6)

* 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
JPH0677116B2 (ja) * 1983-04-12 1994-09-28 ホ−ヤ株式会社 周縁部に負の表面屈折力を有する累進多焦点レンズ
JP2756670B2 (ja) * 1987-11-30 1998-05-25 旭光学工業株式会社 累進多焦点眼鏡レンズ
US5096626A (en) * 1988-06-10 1992-03-17 Asahi Kogaku Kogyo Kabushiki Kaisha Process of molding a coated plastic lens
FR2661519B1 (fr) * 1990-04-25 1992-07-31 Essilor Int Procede pour faciliter la realisation d'une lentille ophtalmique progressive, et lentille(s) ophtalmique(s) progressive(s) correspondante(s).
US5689324A (en) 1992-08-18 1997-11-18 Q2100, Inc. Progressive lens

Also Published As

Publication number Publication date
GB9517186D0 (en) 1995-10-25
US6356373B1 (en) 2002-03-12
JPH0862549A (ja) 1996-03-08
JP3619264B2 (ja) 2005-02-09
US5844657A (en) 1998-12-01
DE19530866A1 (de) 1996-02-29
FR2723790A1 (fr) 1996-02-23
GB2292618B (en) 1998-02-18
GB2292618A (en) 1996-02-28

Similar Documents

Publication Publication Date Title
SG71819A1 (en) Zero scrap absorbent core formation process
GB2268701B (en) Cardboard-box forming mould
PL310216A1 (en) Casting process as well as casting mould and core therefor
DE69521648D1 (de) Formenabfüllverfahren
FR2723790B1 (fr) Verre de lunettes a puissance progressive et moule pour le produire
GB9404488D0 (en) Mould mechanism
GB2230730B (en) Lens mould
IL119268A0 (en) An inverter device for moulds
GB2269777B (en) Mould core
GB9009819D0 (en) Concrete mould
HU9503880D0 (en) Mould
GB2288145B (en) Mold unit
KR960000138U (ko) 김밥틀
GB9101282D0 (en) Sand mould breaking
EP0450907A3 (en) Sludge-discharging cast molding method
GB9016295D0 (en) Concrete mould
GB9420875D0 (en) Improvements in mould making
GB9521815D0 (en) Mould cores
TW329734U (en) Arcuate laser lenses and mold structure for manufacturing the same
KR960020680U (ko) 금형의 제품 분리장치
GB9518846D0 (en) Moulds
KR940022272U (ko) 프로그래시브 금형
TW299779U (en) Structural mold
ZA902906B (en) Mould
KR950032489U (ko) 금형 구조체

Legal Events

Date Code Title Description
CD Change of name or company name
TP Transmission of property
ST Notification of lapse

Effective date: 20140430