FR2295824A1 - Procede et appareil pour l'usinage d'une lentille flexible - Google Patents

Procede et appareil pour l'usinage d'une lentille flexible

Info

Publication number
FR2295824A1
FR2295824A1 FR7539293A FR7539293A FR2295824A1 FR 2295824 A1 FR2295824 A1 FR 2295824A1 FR 7539293 A FR7539293 A FR 7539293A FR 7539293 A FR7539293 A FR 7539293A FR 2295824 A1 FR2295824 A1 FR 2295824A1
Authority
FR
France
Prior art keywords
machining
flexible lens
lens
flexible
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.)
Granted
Application number
FR7539293A
Other languages
English (en)
Other versions
FR2295824B1 (fr
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.)
Dow Silicones Corp
Original Assignee
Dow Corning Corp
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 Dow Corning Corp filed Critical Dow Corning Corp
Publication of FR2295824A1 publication Critical patent/FR2295824A1/fr
Application granted granted Critical
Publication of FR2295824B1 publication Critical patent/FR2295824B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
    • B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
    • B24B9/08—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass
    • B24B9/14—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of optical work, e.g. lenses, prisms
    • B24B9/142—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of optical work, e.g. lenses, prisms for contact lenses

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
FR7539293A 1974-12-23 1975-12-22 Procede et appareil pour l'usinage d'une lentille flexible Granted FR2295824A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/535,870 US3971163A (en) 1974-12-23 1974-12-23 Abrasive tape apparatus for contouring a flexible lens

Publications (2)

Publication Number Publication Date
FR2295824A1 true FR2295824A1 (fr) 1976-07-23
FR2295824B1 FR2295824B1 (fr) 1979-02-02

Family

ID=24136139

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7539293A Granted FR2295824A1 (fr) 1974-12-23 1975-12-22 Procede et appareil pour l'usinage d'une lentille flexible

Country Status (10)

Country Link
US (1) US3971163A (fr)
JP (1) JPS5179095A (fr)
BE (1) BE836928A (fr)
CA (1) CA1026561A (fr)
CH (1) CH608409A5 (fr)
DE (2) DE7532530U (fr)
FR (1) FR2295824A1 (fr)
GB (1) GB1464210A (fr)
NL (1) NL7514911A (fr)
SE (1) SE7514362L (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS586052B2 (ja) * 1976-09-06 1983-02-02 日産自動車株式会社 空燃比制御装置
US4642439A (en) * 1985-01-03 1987-02-10 Dow Corning Corporation Method and apparatus for edge contouring lenses
DE3514414A1 (de) * 1985-04-20 1986-10-23 Agfa-Gevaert Ag, 5090 Leverkusen Verfahren und vorrichtung zur randbearbeitung von elastischen, gekruemmten formkoerpern
US4930259A (en) * 1988-02-19 1990-06-05 Magnetic Perpherals Inc. Magnetic disk substrate polishing assembly
DE3927085A1 (de) * 1989-08-17 1991-02-21 Krupp Maschinentechnik Entgrateinrichtung fuer werkstuecke aus kunststoff
US5012618A (en) * 1989-12-21 1991-05-07 Hmt Technology Corporation Magnetic disc surface treatment and apparatus
DE69206685T2 (de) * 1991-06-06 1996-07-04 Commissariat Energie Atomique Poliermaschine mit einem gespannten Feinschleifband und einem verbesserten Werkstückträgerkopf
WO1994027780A1 (fr) * 1993-05-26 1994-12-08 Minnesota Mining And Manufacturing Company Procede de formation d'une surface lisse sur un substrat
US5403227A (en) * 1993-08-06 1995-04-04 The Whitaker Corporation Machine for grinding and polishing terminated fiber optic cables
US5727989A (en) * 1995-07-21 1998-03-17 Nec Corporation Method and apparatus for providing a workpiece with a convex tip
US5776506A (en) * 1996-10-02 1998-07-07 Tcg International Inc. Windshield repair apparatus including crack repair fixture and method
US6520833B1 (en) * 2000-06-30 2003-02-18 Lam Research Corporation Oscillating fixed abrasive CMP system and methods for implementing the same
US6609958B2 (en) 2000-12-21 2003-08-26 Bausch & Lomb Incorporated Apparatus and method for edging a contact lens
US7682141B2 (en) * 2002-09-30 2010-03-23 3Dm Worldwide Plc Production apparatus for forming plastic molded articles
JP4180409B2 (ja) * 2003-03-17 2008-11-12 株式会社日立ハイテクノロジーズ 研磨装置およびこの研磨装置を用いた磁気ディスク製造方法
US20060001186A1 (en) * 2004-06-30 2006-01-05 Richardson Gary A IOL and method of manufacturing an IOL
CN107838796A (zh) * 2017-12-05 2018-03-27 江苏惠斯通机电科技有限公司 液化石油气试验铜片抛光装置
CN112720159B (zh) * 2020-12-25 2022-02-11 重庆交通职业学院 汽车离合片毛胶机
CN113021116A (zh) * 2021-01-20 2021-06-25 余涛 一种基于磁吸原理用于胶合板表面毛刺打磨的装置
CN117920855B (zh) * 2024-03-22 2024-06-07 新乡市天吉电力设备有限公司 一种槽钢生产用冲孔装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2258733A (en) * 1940-08-30 1941-10-14 Gen Motors Corp Sanding machine
US2453972A (en) * 1942-10-13 1948-11-16 Clave Serge Machine for cutting and polishing nonspherical or conical surfaces by means of abrasive band tools
US3238676A (en) * 1962-12-31 1966-03-08 Indiana Contact Lens Inc Method for altering the power of a corneal contact lens

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
DE2545796A1 (de) 1976-07-01
CA1026561A (fr) 1978-02-21
US3971163A (en) 1976-07-27
GB1464210A (en) 1977-02-09
CH608409A5 (fr) 1979-01-15
JPS5179095A (fr) 1976-07-09
FR2295824B1 (fr) 1979-02-02
AU8531875A (en) 1977-04-07
BE836928A (fr) 1976-06-22
SE7514362L (sv) 1976-06-28
NL7514911A (nl) 1976-06-25
DE7532530U (de) 1978-01-26

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Legal Events

Date Code Title Description
ST Notification of lapse