BE692018A - - Google Patents
Info
- Publication number
- BE692018A BE692018A BE692018DA BE692018A BE 692018 A BE692018 A BE 692018A BE 692018D A BE692018D A BE 692018DA BE 692018 A BE692018 A BE 692018A
- Authority
- BE
- Belgium
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
- B24B13/0012—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor for multifocal lenses
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
Landscapes
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Eyeglasses (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US52017366A | 1966-01-12 | 1966-01-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE692018A true BE692018A (US07223432-20070529-C00017.png) | 1967-06-30 |
Family
ID=24071465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE692018D BE692018A (US07223432-20070529-C00017.png) | 1966-01-12 | 1966-12-30 |
Country Status (6)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4573777A (en) * | 1984-03-08 | 1986-03-04 | Bristol Alexander C | Aspheric spectacle lens blank |
| US6011630A (en) * | 1996-11-12 | 2000-01-04 | Gerber Optical, Inc. | System and method for blocking a lens |
-
1966
- 1966-12-13 GB GB5580866A patent/GB1165549A/en not_active Expired
- 1966-12-29 FR FR89373A patent/FR1514223A/fr not_active Expired
- 1966-12-30 BE BE692018D patent/BE692018A/xx unknown
-
1967
- 1967-01-10 DE DE19671596688 patent/DE1596688A1/de active Pending
- 1967-01-11 CH CH36367A patent/CH477010A/de not_active IP Right Cessation
- 1967-01-11 NL NL6700424A patent/NL6700424A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6700424A (US07223432-20070529-C00017.png) | 1967-07-13 |
| FR1514223A (fr) | 1968-02-23 |
| CH477010A (de) | 1969-08-15 |
| DE1596688A1 (de) | 1970-12-17 |
| GB1165549A (en) | 1969-10-01 |
