GB8720803D0 - Lens surfacing pad - Google Patents
Lens surfacing padInfo
- Publication number
- GB8720803D0 GB8720803D0 GB878720803A GB8720803A GB8720803D0 GB 8720803 D0 GB8720803 D0 GB 8720803D0 GB 878720803 A GB878720803 A GB 878720803A GB 8720803 A GB8720803 A GB 8720803A GB 8720803 D0 GB8720803 D0 GB 8720803D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- lens surfacing
- surfacing pad
- pad
- lens
- surfacing
- 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
- B24B13/01—Specific tools, e.g. bowl-like; Production, dressing or fastening of these tools
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US90489986A | 1986-09-08 | 1986-09-08 |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8720803D0 true GB8720803D0 (en) | 1987-10-14 |
GB2195100A GB2195100A (en) | 1988-03-30 |
GB2195100B GB2195100B (en) | 1990-08-15 |
Family
ID=25419939
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8720803A Expired - Lifetime GB2195100B (en) | 1986-09-08 | 1987-09-04 | Lens surfacing pad with improved attachment to tool |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP2559763B2 (en) |
DE (1) | DE3729956A1 (en) |
FR (1) | FR2603510B1 (en) |
GB (1) | GB2195100B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5269102A (en) * | 1991-06-19 | 1993-12-14 | Gerber Optical, Inc. | Disposable lap blank |
KR102321016B1 (en) * | 2020-01-13 | 2021-11-03 | (주)제이쓰리 | Wafer processing technology to control semiconductor wafer shape |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1487024A (en) * | 1920-01-15 | 1924-03-18 | Erdis G Robinson | Lens-grinding lap |
US2991596A (en) * | 1959-08-07 | 1961-07-11 | Roy J Walters | Back-up pad and abrasive sheet |
US3144737A (en) * | 1962-09-27 | 1964-08-18 | Bausch & Lomb | Aluminum foil lens grinding pad |
GB1420450A (en) * | 1973-11-28 | 1976-01-07 | Raphaels Ltd | Devices for mounting lenses for edge grinding |
JPS55164462A (en) * | 1979-06-06 | 1980-12-22 | American Optical Corp | Head for polishing lens |
JPS5746110U (en) * | 1980-08-29 | 1982-03-13 | ||
JPS6144775Y2 (en) * | 1981-02-24 | 1986-12-16 |
-
1987
- 1987-09-04 GB GB8720803A patent/GB2195100B/en not_active Expired - Lifetime
- 1987-09-07 DE DE19873729956 patent/DE3729956A1/en not_active Withdrawn
- 1987-09-08 FR FR8712437A patent/FR2603510B1/en not_active Expired - Lifetime
- 1987-09-08 JP JP62225121A patent/JP2559763B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2603510B1 (en) | 1992-05-07 |
GB2195100A (en) | 1988-03-30 |
GB2195100B (en) | 1990-08-15 |
DE3729956A1 (en) | 1988-04-07 |
FR2603510A1 (en) | 1988-03-11 |
JP2559763B2 (en) | 1996-12-04 |
JPS63139660A (en) | 1988-06-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19980904 |