Method and device for polishing both sides of optical lenses
US6155911A · kind A · utility
10Cited by
7References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 12, 1998 |
| Grant date | Dec 5, 2000 |
| Priority date | — |
| Expiry date | Nov 12, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB24B13/01
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A process and a device for polishing both sides of an optical lens, in which the lens is mounted in a first workpiece holder and is polished on a first side and a second workpiece holder is then positioned opposite the first work piece holder. The lens, without being turned around, is transferred to the second workpiece holder, where its other side is polished by treatment coming from the side of the first workpiece holder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.