Center touch method and apparatus for forming contact lenses
US7241125B2 · kind B2 · utility
3Cited by
13References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 25, 2001 |
| Grant date | Jul 10, 2007 |
| Priority date | — |
| Expiry date | Jan 3, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S425/808
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A center touch method and apparatus for use in a contact lens station for use with a contact lens mold assembly comprising a first mold half and a second mold half. The center touch apparatus comprises a center touch engaging member having a center touch engaging surface for engaging a central portion of a non-molding surface of one of the mold halves. The center touch method comprising driving one of the mold halves toward the other mold half using the center touch engaging member to contact a central area of the non-molding surface of the one mold half.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.