Predictive calculation method for calculating a simulated shape of an engagement ridge to be arranged on the edge face of an ophthalmic lens of a pair of eyeglasses, and a method of beveling
US8845390B2 · kind B2 · utility
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4References
17Claims
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Key dates
| Filing date | Jun 16, 2011 |
| Grant date | Sep 30, 2014 |
| Priority date | — |
| Expiry date | Apr 11, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C1/10
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A predictive calculation method for calculating the shape of a cross-section of an engagement ridge of an ophthalmic lens obtained by beveling the lens with a beveling grindwheel driven in accordance with an initial path setting. The method includes the following steps:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.