Method of improving the accuracy of a beveling operation applied to a spectacle lens, and a corresponding beveling tool
US6663481B2 · kind B2 · utility
4Cited by
10References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 11, 2001 |
| Grant date | Dec 16, 2003 |
| Priority date | — |
| Expiry date | Oct 7, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB24B9/14
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A beveling operation is applied to a spectacle lens to blunt the sharp edges of its contour. Compensation means having a capacity for elastic deformation are operative between an active periphery of a beveling tool and its support shaft during the beveling operation. Applications include numerically controlled grinding machines.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.