Method for side-fill lens casting
US6391231B1 · kind B1 · utility
38Cited by
14References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 22, 1999 |
| Grant date | May 21, 2002 |
| Priority date | — |
| Expiry date | Nov 22, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S425/808
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Unique side-fill mold assembly and method for making a lens wherein the mold assembly includes a gasket having a plurality of side port holes which allow filling of the mold assembly with a thermosetting resin and allow egress of air trapped within the mold assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.