IT8446863A1 - Tornio per il taglio di superfici asferiche. - Google Patents

Tornio per il taglio di superfici asferiche.

Info

Publication number
IT8446863A1
IT8446863A1 IT1984A46863A IT4686384A IT8446863A1 IT 8446863 A1 IT8446863 A1 IT 8446863A1 IT 1984A46863 A IT1984A46863 A IT 1984A46863A IT 4686384 A IT4686384 A IT 4686384A IT 8446863 A1 IT8446863 A1 IT 8446863A1
Authority
IT
Italy
Prior art keywords
lathe
cutting
aspheric surfaces
aspheric
cutting aspheric
Prior art date
Application number
IT1984A46863A
Other languages
English (en)
Other versions
IT1199570B (it
IT8446863A0 (it
Original Assignee
Robertson Engineering Thame 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 Robertson Engineering Thame Ltd filed Critical Robertson Engineering Thame Ltd
Publication of IT8446863A0 publication Critical patent/IT8446863A0/it
Publication of IT8446863A1 publication Critical patent/IT8446863A1/it
Application granted granted Critical
Publication of IT1199570B publication Critical patent/IT1199570B/it

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
    • B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
    • B24B13/04—Machines 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
    • B24B13/046—Machines 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
    • 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
    • Y10T82/00—Turning
    • Y10T82/14—Axial pattern
    • Y10T82/148—Pivoted tool rest

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Turning (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
IT46863/84A 1983-09-19 1984-09-19 Tornio per il taglio di superfici as feriche IT1199570B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB838325027A GB8325027D0 (en) 1983-09-19 1983-09-19 Aspheric cutting lathe

Publications (3)

Publication Number Publication Date
IT8446863A0 IT8446863A0 (it) 1984-09-19
IT8446863A1 true IT8446863A1 (it) 1986-03-19
IT1199570B IT1199570B (it) 1988-12-30

Family

ID=10548981

Family Applications (1)

Application Number Title Priority Date Filing Date
IT46863/84A IT1199570B (it) 1983-09-19 1984-09-19 Tornio per il taglio di superfici as feriche

Country Status (6)

Country Link
US (1) US4679471A (it)
EP (1) EP0157809A1 (it)
JP (1) JPS61500215A (it)
GB (1) GB8325027D0 (it)
IT (1) IT1199570B (it)
WO (1) WO1985001237A1 (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4909621A (en) * 1987-08-17 1990-03-20 Evans Cyril C H Method of making hydrogel contact lenses having aspheric front surfaces
US4884482A (en) * 1988-11-22 1989-12-05 Citycrown, Inc. Method and apparatus for cutting an aspheric surface on a workpiece
US4947715A (en) * 1988-11-22 1990-08-14 Citycrown, Inc. Method and apparatus for cutting an aspheric surface on a workpiece
US4995300A (en) * 1989-04-28 1991-02-26 Chariot Star, Inc. Lathe for generating aspherical surfaces on work pieces
US5085013A (en) * 1990-04-12 1992-02-04 Ascosi Vito S Contact lens orientation method and apparatus
JP3026824B2 (ja) * 1990-07-31 2000-03-27 株式会社メニコン 非球面レンズの製造装置
DE10348459C5 (de) * 2003-10-14 2011-06-09 Schneider Gmbh & Co. Kg Vorrichtung und Verfahren zum spanenden Bearbeiten von Linsen
GB0801366D0 (en) * 2008-01-25 2008-03-05 Cinetic Landis Grinding Ltd Machine tools and methods of operation thereof
US8015902B2 (en) * 2009-04-09 2011-09-13 Mori Seiki Co., Ltd. Machine tool and workpiece inner surface machining method using the machine tool
GB2476468B (en) * 2009-12-22 2012-08-15 Cinetic Landis Ltd Machine tools and methods of operation thereof
CN110193629A (zh) * 2019-05-31 2019-09-03 安徽天航机电有限公司 一种铝封管下料装置及其使用方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1537059A (en) * 1922-10-18 1925-05-12 Bausch & Lomb Apparatus for forming lens-grinding tools
US1998395A (en) * 1933-04-21 1935-04-16 Robinson Houchin Optical Compa Method and apparatus for producing lens grinding laps
GB1290685A (it) * 1969-10-16 1972-09-27
US3664065A (en) * 1970-05-01 1972-05-23 Polaroid Corp Method and apparatus for generating surfaces of revolution
FR2212772A5 (it) * 1972-12-29 1974-07-26 Bettiol Bruno
CA1048311A (en) * 1975-04-16 1979-02-13 Derrell C. Hooker Lathe for generating spherical or aspherical surfaces on workpieces
US4068413A (en) * 1975-10-02 1978-01-17 Suddarth Jack M Adjustable lens grinding apparatus
US4051751A (en) * 1976-09-13 1977-10-04 Ignacio Acevedo Machine for generating surfaces of various characteristics on workpieces
JPS5392994A (en) * 1977-01-27 1978-08-15 Nippon Chemical Ind Nonnspheruial lens creating device
US4274313A (en) * 1978-06-19 1981-06-23 Sekula Vulic Apparatus for cutting aspherical surfaces on contact lenses and the like
US4333368A (en) * 1980-07-15 1982-06-08 Kollmorgen Technologies Corporation Method and apparatus for generating aspherical surfaces of revolution
JPS57149141A (en) * 1981-03-12 1982-09-14 Toyoda Mach Works Ltd Equipment for generating paraboloid of revolution

Also Published As

Publication number Publication date
EP0157809A1 (en) 1985-10-16
WO1985001237A1 (en) 1985-03-28
US4679471A (en) 1987-07-14
IT1199570B (it) 1988-12-30
IT8446863A0 (it) 1984-09-19
GB8325027D0 (en) 1983-10-19
JPS61500215A (ja) 1986-02-06

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