EP0453094A3 - Lens grinding method and apparatus - Google Patents
Lens grinding method and apparatus Download PDFInfo
- Publication number
- EP0453094A3 EP0453094A3 EP19910302299 EP91302299A EP0453094A3 EP 0453094 A3 EP0453094 A3 EP 0453094A3 EP 19910302299 EP19910302299 EP 19910302299 EP 91302299 A EP91302299 A EP 91302299A EP 0453094 A3 EP0453094 A3 EP 0453094A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- sweep
- cross
- tool
- base
- lens
- 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
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
- B24B13/043—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 cup-type grinding wheels
-
- 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
-
- 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
- B24B13/06—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, the tool or work being controlled by information-carrying means, e.g. patterns, punched tapes, magnetic tapes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Eyeglasses (AREA)
- Saccharide Compounds (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US51083490A | 1990-04-18 | 1990-04-18 | |
US510834 | 1995-08-03 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0453094A2 EP0453094A2 (en) | 1991-10-23 |
EP0453094A3 true EP0453094A3 (en) | 1992-04-01 |
EP0453094B1 EP0453094B1 (en) | 1994-11-30 |
Family
ID=24032395
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91302299A Expired - Lifetime EP0453094B1 (en) | 1990-04-18 | 1991-03-18 | Lens grinding method and apparatus |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0453094B1 (en) |
JP (1) | JPH04226856A (en) |
KR (1) | KR910018131A (en) |
AT (1) | ATE114528T1 (en) |
AU (1) | AU7379191A (en) |
BR (1) | BR9101549A (en) |
CA (1) | CA2039289A1 (en) |
DE (1) | DE69105336T2 (en) |
FI (1) | FI911876A (en) |
ZA (1) | ZA912459B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5678967A (en) * | 1995-11-21 | 1997-10-21 | Micro Optics Design Corporation | Apparatus for cutting a workpiece and including a kinematic tool coupling |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2806327A (en) * | 1954-03-03 | 1957-09-17 | Orin W Coburn | Lens grinder |
US3289355A (en) * | 1963-04-22 | 1966-12-06 | Coburn Mfg Company Inc | Automatic lens grinding machine |
EP0176894A2 (en) * | 1984-10-05 | 1986-04-09 | Robert S. Craxton | Toric lens generating |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60114457A (en) * | 1983-11-26 | 1985-06-20 | Nippon Kogaku Kk <Nikon> | Spherical face forming grinder |
-
1991
- 1991-03-18 AT AT91302299T patent/ATE114528T1/en not_active IP Right Cessation
- 1991-03-18 DE DE69105336T patent/DE69105336T2/en not_active Expired - Fee Related
- 1991-03-18 EP EP91302299A patent/EP0453094B1/en not_active Expired - Lifetime
- 1991-03-25 AU AU73791/91A patent/AU7379191A/en not_active Abandoned
- 1991-03-27 CA CA002039289A patent/CA2039289A1/en not_active Abandoned
- 1991-04-03 ZA ZA912459A patent/ZA912459B/en unknown
- 1991-04-12 KR KR1019910005821A patent/KR910018131A/en not_active Application Discontinuation
- 1991-04-15 JP JP3108317A patent/JPH04226856A/en active Pending
- 1991-04-17 BR BR919101549A patent/BR9101549A/en unknown
- 1991-04-18 FI FI911876A patent/FI911876A/en not_active Application Discontinuation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2806327A (en) * | 1954-03-03 | 1957-09-17 | Orin W Coburn | Lens grinder |
US3289355A (en) * | 1963-04-22 | 1966-12-06 | Coburn Mfg Company Inc | Automatic lens grinding machine |
EP0176894A2 (en) * | 1984-10-05 | 1986-04-09 | Robert S. Craxton | Toric lens generating |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 9, no. 268 (M-424)(1991) 25 October 1985 & JP-A-60 114 457 ( NIHON KOUGAKU KOGYO K.K. ) 20 June 1985 * |
Also Published As
Publication number | Publication date |
---|---|
KR910018131A (en) | 1991-11-30 |
CA2039289A1 (en) | 1991-10-19 |
JPH04226856A (en) | 1992-08-17 |
FI911876A (en) | 1991-10-19 |
FI911876A0 (en) | 1991-04-18 |
EP0453094B1 (en) | 1994-11-30 |
ZA912459B (en) | 1992-03-25 |
AU7379191A (en) | 1991-10-24 |
ATE114528T1 (en) | 1994-12-15 |
EP0453094A2 (en) | 1991-10-23 |
BR9101549A (en) | 1991-12-03 |
DE69105336T2 (en) | 1995-05-04 |
DE69105336D1 (en) | 1995-01-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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AK | Designated contracting states |
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17P | Request for examination filed |
Effective date: 19920515 |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: COBURN OPTICAL INDUSTRIES, INC. |
|
17Q | First examination report despatched |
Effective date: 19930805 |
|
ITF | It: translation for a ep patent filed |
Owner name: BARZANO' E ZANARDO ROMA S.P.A. |
|
GRAA | (expected) grant |
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PLBE | No opposition filed within time limit |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
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GBPC | Gb: european patent ceased through non-payment of renewal fee |
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