Apparatus for molding glass optical elements
US4883528A · kind A · utility
13Cited by
16References
36Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 8, 1989 |
| Grant date | Nov 28, 1989 |
| Priority date | — |
| Expiry date | Mar 8, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S425/808
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An apparatus for molding glass optical elements by means of at least one molded glass mold is disclosed. The optical element, which may be a lens and which may be formed of glass, is molded within an apparatus that comprises a pair of molds of which at least one is a molded glass mold, a constraining means and a ring disposed intermediate the molds. The interior diameter of the ring and the molding surfaces of the molds comprise the optical element molding cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.