Spectacle lens manufacturing system
US10688739B2 · kind B2 · utility
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1References
42Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 28, 2017 |
| Grant date | Jun 23, 2020 |
| Priority date | — |
| Expiry date | Apr 11, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29D11/00528
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A spectacle lens manufacturing system includes resin material filling means which fills a lens mold with a lens material (heat-curable resin material), the lens mold includes a rear lens mold having a front surface that defines a rear surface of a spectacle lens, the rear lens mold has a rear lens mold base body, a three-dimensional printer which adds a aspherical surface addition portion to a front surface of the rear lens mold base body is provided, and a front surface of the rear lens mold is the front surface of the rear lens mold base body, to which the aspherical surface addition portion is added.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.