Contact lens casting mould
US5252056A · kind A · utility
51Cited by
11References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 6, 1992 |
| Grant date | Oct 12, 1993 |
| Priority date | — |
| Expiry date | Aug 6, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S425/808
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A contact lens casting mould includes two casting mould halves. A concave shaping surface (11) is constructed on a female part (1) and a convex shaping surface (21) on a male part (2). When joined together, the two casting mould halves (1 and 2) adhere by frictional connection.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.