EP0333598A3 - Lens grinding apparatus - Google Patents

Lens grinding apparatus Download PDF

Info

Publication number
EP0333598A3
EP0333598A3 EP19890400760 EP89400760A EP0333598A3 EP 0333598 A3 EP0333598 A3 EP 0333598A3 EP 19890400760 EP19890400760 EP 19890400760 EP 89400760 A EP89400760 A EP 89400760A EP 0333598 A3 EP0333598 A3 EP 0333598A3
Authority
EP
European Patent Office
Prior art keywords
grinding apparatus
lens grinding
lens
grinding
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
EP19890400760
Other versions
EP0333598A2 (en
EP0333598B1 (en
Inventor
Nobuhiro Isokawa
Yoshiyuki Hatako
Shinji Uno
Takahiro Watanabe
Yasuo Suzuki
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.)
Topcon Corp
Original Assignee
Topcon 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 Topcon Corp filed Critical Topcon Corp
Publication of EP0333598A2 publication Critical patent/EP0333598A2/en
Publication of EP0333598A3 publication Critical patent/EP0333598A3/en
Application granted granted Critical
Publication of EP0333598B1 publication Critical patent/EP0333598B1/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
    • B24B9/148—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 electrically, e.g. numerically, controlled

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)
EP19890400760 1988-03-18 1989-03-17 Lens grinding apparatus Expired - Lifetime EP0333598B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP64835/88 1988-03-18
JP6483588A JPH0796185B2 (en) 1988-03-18 1988-03-18 Constant pressure contact device for lens grinding wheel

Publications (3)

Publication Number Publication Date
EP0333598A2 EP0333598A2 (en) 1989-09-20
EP0333598A3 true EP0333598A3 (en) 1990-12-27
EP0333598B1 EP0333598B1 (en) 1993-07-28

Family

ID=13269702

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890400760 Expired - Lifetime EP0333598B1 (en) 1988-03-18 1989-03-17 Lens grinding apparatus

Country Status (3)

Country Link
EP (1) EP0333598B1 (en)
JP (1) JPH0796185B2 (en)
DE (1) DE68907757T2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19616536C2 (en) * 1996-04-25 2000-01-27 Wernicke & Co Gmbh Process and eyeglass lens grinding machine for shaping the peripheral edge of eyeglass lenses and possibly for subsequent facet grinding

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1962821A1 (en) * 1969-12-15 1971-06-16 Textron Inc Device for the preparation of jacked up lens blanks
FR2525138A1 (en) * 1982-04-16 1983-10-21 Koken Kk APPARATUS FOR MACHINING OPTICAL LENSES
FR2555929A1 (en) * 1983-12-02 1985-06-07 Nippon Kogaku Kk Apparatus for shaping the edge of and for chamfering ophthalmic lenses

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1962821A1 (en) * 1969-12-15 1971-06-16 Textron Inc Device for the preparation of jacked up lens blanks
FR2525138A1 (en) * 1982-04-16 1983-10-21 Koken Kk APPARATUS FOR MACHINING OPTICAL LENSES
FR2555929A1 (en) * 1983-12-02 1985-06-07 Nippon Kogaku Kk Apparatus for shaping the edge of and for chamfering ophthalmic lenses

Also Published As

Publication number Publication date
EP0333598A2 (en) 1989-09-20
EP0333598B1 (en) 1993-07-28
DE68907757T2 (en) 1994-02-24
JPH0796185B2 (en) 1995-10-18
DE68907757D1 (en) 1993-09-02
JPH01252349A (en) 1989-10-09

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