Molds for use in contact lens production
US8287269B2 · kind B2 · utility
8Cited by
11References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 12, 2005 |
| Grant date | Oct 16, 2012 |
| Priority date | — |
| Expiry date | Jul 28, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29D11/00057
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The invention provides molds useful in the production of contact lenses having seamless edges and in which molds movement of one mold half in relation to the other mold half is decreased. These results are attained by providing mold halves with shoulder stops and seam-matching features.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.