IN169054B - - Google Patents

Info

Publication number
IN169054B
IN169054B IN619/CAL/88A IN619CA1988A IN169054B IN 169054 B IN169054 B IN 169054B IN 619CA1988 A IN619CA1988 A IN 619CA1988A IN 169054 B IN169054 B IN 169054B
Authority
IN
India
Application number
IN619/CAL/88A
Other languages
English (en)
Inventor
Cyril Harold Evans
Original Assignee
Cyril Harold Evans
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22193732&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IN169054(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Cyril Harold Evans filed Critical Cyril Harold Evans
Publication of IN169054B publication Critical patent/IN169054B/en

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00Optical parts
    • G02C7/02Lenses; Lens systems ; Methods of designing lenses
    • G02C7/04Contact lenses for the eyes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q35/00Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually
    • B23Q35/04Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually using a feeler or the like travelling along the outline of the pattern, model or drawing; Feelers, patterns, or models therefor
    • B23Q35/08Means for transforming movement of the feeler or the like into feed movement of tool or work
    • B23Q35/10Means for transforming movement of the feeler or the like into feed movement of tool or work mechanically only
    • B23Q35/101Means for transforming movement of the feeler or the like into feed movement of tool or work mechanically only with a pattern composed of one or more lines used simultaneously for one tool
    • B23Q35/102Means for transforming movement of the feeler or the like into feed movement of tool or work mechanically only with a pattern composed of one or more lines used simultaneously for one tool of one line
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B13/00Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
    • B24B13/04Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor grinding of lenses involving grinding wheels controlled by gearing
    • B24B13/046Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor grinding of lenses involving grinding wheels controlled by gearing using a pointed tool or scraper-like tool
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B17/00Special adaptations of machines or devices for grinding controlled by patterns, drawings, magnetic tapes or the like; Accessories therefor
    • B24B17/02Special adaptations of machines or devices for grinding controlled by patterns, drawings, magnetic tapes or the like; Accessories therefor involving mechanical transmission means only
    • B24B17/025Special adaptations of machines or devices for grinding controlled by patterns, drawings, magnetic tapes or the like; Accessories therefor involving mechanical transmission means only for grinding rotating workpieces (three dimensional)
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00Producing optical elements, e.g. lenses or prisms
    • B29D11/00932Combined cutting and grinding thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ophthalmology & Optometry (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • General Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Eyeglasses (AREA)
  • Turning (AREA)
  • Lenses (AREA)
IN619/CAL/88A 1987-08-17 1988-07-26 IN169054B (ko)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/085,755 US4909621A (en) 1987-08-17 1987-08-17 Method of making hydrogel contact lenses having aspheric front surfaces

Publications (1)

Publication Number Publication Date
IN169054B true IN169054B (ko) 1991-08-24

Family

ID=22193732

Family Applications (1)

Application Number Title Priority Date Filing Date
IN619/CAL/88A IN169054B (ko) 1987-08-17 1988-07-26

Country Status (7)

Country Link
US (1) US4909621A (ko)
EP (1) EP0304106B1 (ko)
JP (1) JP2881227B2 (ko)
AU (1) AU613655B2 (ko)
CA (1) CA1319549C (ko)
DE (1) DE3851677T2 (ko)
IN (1) IN169054B (ko)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2104053C (en) * 1992-08-31 1999-04-13 Miguel A. Cacho Automated fluid bed process
US5517260A (en) * 1994-03-28 1996-05-14 Vari-Site, Inc. Ophthalmic lens having a progressive multifocal zone and method of manufacturing same
DE4412370A1 (de) * 1994-04-12 1995-10-19 Schneider Gmbh & Co Kg Verfahren und Vorrichtung zum Herstellen asphärischer Linsenoberflächen
AUPM970294A0 (en) * 1994-11-28 1994-12-22 Queensland University Of Technology An optical control method
AU695812B2 (en) * 1994-11-28 1998-08-20 Queensland University Of Technology Optical treatment method
US6045578A (en) * 1995-11-28 2000-04-04 Queensland University Of Technology Optical treatment method
JP2002532751A (ja) * 1998-12-16 2002-10-02 ウェズリー ジェッセン コーポレイション 非球面多焦点コンタクトレンズ
US6325509B1 (en) 1999-08-20 2001-12-04 Art Optical Contact Lens, Inc. Low-mass ophthalmic lens
WO2006137712A1 (en) * 2005-06-22 2006-12-28 Nanophotonics Ltd. Optical components including lens having at least one aspherical refractive surface
KR100624052B1 (ko) * 2005-06-22 2006-09-15 주식회사 나노포토닉스 적어도 하나의 비구면 굴절면을 갖는 렌즈를 포함하는 광부품

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3142140A (en) * 1960-12-14 1964-07-28 Agency Ind Science Techn Process of manufacturing a precise non-spherical surface
US3482906A (en) * 1965-10-04 1969-12-09 David Volk Aspheric corneal contact lens series
US3950082A (en) * 1973-01-10 1976-04-13 David Volk Ophthalmic lens for presbyopia and aphakia
US3977279A (en) * 1975-04-16 1976-08-31 Derrell C. Hooker Lathe for generating spherical or aspherical surfaces on workpieces
WO1979000082A1 (en) * 1977-08-02 1979-02-22 Automated Optics Method and apparatus adapted for automatic or semi-automatic fabrication of ultra-precision ophthalmic lenses,e.g.,contact lenses
US4195919A (en) * 1977-10-31 1980-04-01 Shelton William A Contact lens with reduced spherical aberration for aphakic eyes
US4194815A (en) * 1978-06-28 1980-03-25 Dow Corning Corporation Semi-scleral contact lens
US4199231A (en) * 1978-08-21 1980-04-22 Evans Carl H Hydrogel contact lens
US4418991A (en) * 1979-09-24 1983-12-06 Breger Joseph L Presbyopic contact lens
US4333368A (en) * 1980-07-15 1982-06-08 Kollmorgen Technologies Corporation Method and apparatus for generating aspherical surfaces of revolution
GB8325027D0 (en) * 1983-09-19 1983-10-19 Robertson Eng Thame Ltd Aspheric cutting lathe
US4640595A (en) * 1984-05-02 1987-02-03 David Volk Aspheric contact lens
JPS63500403A (ja) * 1985-08-08 1988-02-12 ボルク、デイビッド コンタクトレンズ

Also Published As

Publication number Publication date
EP0304106B1 (en) 1994-09-28
DE3851677D1 (de) 1994-11-03
DE3851677T2 (de) 1995-09-28
JPH01138528A (ja) 1989-05-31
AU613655B2 (en) 1991-08-08
EP0304106A2 (en) 1989-02-22
JP2881227B2 (ja) 1999-04-12
US4909621A (en) 1990-03-20
EP0304106A3 (en) 1990-05-16
CA1319549C (en) 1993-06-29
AU2063188A (en) 1989-02-23

Similar Documents

Publication Publication Date Title
IN169718B (ko)
IN169384B (ko)
IN170793B (ko)
IN170417B (ko)
GR3004537T3 (ko)
CH679724GA3 (ko)
DE3868068D1 (ko)
GR3004717T3 (ko)
IN169054B (ko)
FR2621237B1 (ko)
FR2624641B1 (ko)
IN171079B (ko)
GR3006121T3 (ko)
CH680485GA3 (ko)
DE3776321D1 (ko)
FR2623765B1 (ko)
IN167359B (ko)
AU6741387A (ko)
AU7737187A (ko)
IN168963B (ko)
IN164679B (ko)
GB8702010D0 (ko)
IN172340B (ko)
IN173526B (ko)
AU6862687A (ko)