EP0322579A3 - Device for centering optical lenses for mechanical clamping, especially during bevelling and facetting - Google Patents

Device for centering optical lenses for mechanical clamping, especially during bevelling and facetting Download PDF

Info

Publication number
EP0322579A3
EP0322579A3 EP19880119934 EP88119934A EP0322579A3 EP 0322579 A3 EP0322579 A3 EP 0322579A3 EP 19880119934 EP19880119934 EP 19880119934 EP 88119934 A EP88119934 A EP 88119934A EP 0322579 A3 EP0322579 A3 EP 0322579A3
Authority
EP
European Patent Office
Prior art keywords
facetting
especially during
optical lenses
mechanical clamping
centering optical
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
EP19880119934
Other languages
German (de)
Other versions
EP0322579A2 (en
EP0322579B1 (en
Inventor
Erhard Bruck
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.)
Wilhelm Loh Wetzlar Optikmaschinen GmbH and Co KG
Original Assignee
Wilhelm Loh Wetzlar Optikmaschinen GmbH and Co KG
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 Wilhelm Loh Wetzlar Optikmaschinen GmbH and Co KG filed Critical Wilhelm Loh Wetzlar Optikmaschinen GmbH and Co KG
Publication of EP0322579A2 publication Critical patent/EP0322579A2/en
Publication of EP0322579A3 publication Critical patent/EP0322579A3/en
Application granted granted Critical
Publication of EP0322579B1 publication Critical patent/EP0322579B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B24B9/146—Accessories, e.g. lens mounting devices
    • 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
    • Y10T82/25—Lathe
    • Y10T82/2552—Headstock
    • Y10T82/2562—Spindle and bearings
    • 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
    • Y10T82/25—Lathe
    • Y10T82/2568—Center
    • Y10T82/2571—Alignment adjuster
    • 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
    • Y10T82/27—Centerer

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)
EP88119934A 1987-12-24 1988-11-30 Device for centering optical lenses for mechanical clamping, especially during bevelling and facetting Expired - Lifetime EP0322579B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3744115A DE3744115C2 (en) 1987-12-24 1987-12-24 Machine for centering edge grinding and faceting optical lenses for their mechanical mounting
DE3744115 1987-12-24

Publications (3)

Publication Number Publication Date
EP0322579A2 EP0322579A2 (en) 1989-07-05
EP0322579A3 true EP0322579A3 (en) 1990-09-05
EP0322579B1 EP0322579B1 (en) 1993-02-03

Family

ID=6343615

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88119934A Expired - Lifetime EP0322579B1 (en) 1987-12-24 1988-11-30 Device for centering optical lenses for mechanical clamping, especially during bevelling and facetting

Country Status (4)

Country Link
US (1) US4951421A (en)
EP (1) EP0322579B1 (en)
DE (1) DE3744115C2 (en)
ES (1) ES2037805T3 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6257968B1 (en) 1998-12-16 2001-07-10 National Optronics, Incorporated Quick-release lens clamp pad assembly for use in eyeglass lens processing
USD435053S (en) * 1999-03-16 2000-12-12 National Optronics, Incorporated Eyeglass frame tracer
US6243960B1 (en) 1999-03-16 2001-06-12 National Optronics, Incorporated Tracer, clamp and object engager for holding and tracing a lens mount of an eyeglass frame, a lens, and/or a lens pattern, to reliably detect a shape thereof even when the shape includes high wrap
US6249991B1 (en) 1999-03-17 2001-06-26 National Optronics, Incorporated Control system for eyeglass tracer
DE10008710C2 (en) * 2000-02-24 2002-01-10 Loh Optikmaschinen Ag Device for centering clamping of optical lenses for their edge processing

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3599377A (en) * 1968-07-22 1971-08-17 Bausch & Lomb Lens alignment using gas bearings
DE2756407A1 (en) * 1977-12-17 1979-06-21 Prontor Werk Gauthier Gmbh Lens grinding machine securing spindle bearing system - uses stack of bushes each end, compressed around spindle by adjusting screws
DE8702561U1 (en) * 1987-02-19 1987-06-04 Wernicke & Co GmbH, 4000 Düsseldorf Lens holder for spectacle lens edge grinding machines

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2508009A (en) * 1946-09-11 1950-05-16 Simonds Machine Co Inc Edging machine
NL152774A (en) * 1950-01-24
BE498786A (en) * 1950-01-24
DE1004516B (en) * 1956-03-02 1957-03-14 Voigtlaender Ag Method and machine for centering optical lenses
US3143382A (en) * 1961-06-06 1964-08-04 Commissariat Energie Atomique Aerodynamic bearing
GB1310135A (en) * 1970-07-22 1973-03-14 Raphael O P Method of and apparatus for filling spectacle lenses
DE2148102C3 (en) * 1971-09-27 1979-07-05 Ernst Leitz Wetzlar Gmbh, 6300 Lahn- Wetzlar Method for centering lenses
GB1332414A (en) * 1971-12-02 1973-10-03 Produmatic Sa Machine tools
DK338978A (en) * 1977-08-02 1979-02-03 Automated Optics CONTACT LENS AND METHOD AND MACHINE FOR MANUFACTURE OF SUCH LENSES
DE3139873C2 (en) * 1981-10-07 1983-11-10 Prontor-Werk Alfred Gauthier Gmbh, 7547 Wildbad Machine for edge grinding and faceting of optical lenses
FR2553323B1 (en) * 1983-10-18 1986-07-25 Essilor Int METHOD AND MACHINE FOR BEVELING OR SLOTTING AN OPHTHALMIC LENS
DE3526539C1 (en) * 1985-07-24 1986-11-13 Erwin 7611 Nordrach Junker Process for precision quick clamping of rotationally symmetrical workpieces and precision quick clamping device for carrying out the process

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3599377A (en) * 1968-07-22 1971-08-17 Bausch & Lomb Lens alignment using gas bearings
DE2756407A1 (en) * 1977-12-17 1979-06-21 Prontor Werk Gauthier Gmbh Lens grinding machine securing spindle bearing system - uses stack of bushes each end, compressed around spindle by adjusting screws
DE8702561U1 (en) * 1987-02-19 1987-06-04 Wernicke & Co GmbH, 4000 Düsseldorf Lens holder for spectacle lens edge grinding machines

Also Published As

Publication number Publication date
DE3744115A1 (en) 1989-07-06
EP0322579A2 (en) 1989-07-05
EP0322579B1 (en) 1993-02-03
DE3744115C2 (en) 1994-03-31
US4951421A (en) 1990-08-28
ES2037805T3 (en) 1993-07-01

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