Patent · US Expired

Lens transfer method and devices

US6543984B1 · kind B1 · utility

2Cited by
21References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 31, 2000
Grant dateApr 8, 2003
Priority date
Expiry dateMar 31, 2020

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29L2011/0016
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A method, device and trays for transferring ophthalmic lenses from one work station to another. The first tray supports the lenses after release from the mold. The second tray supports the lenses during further processing including surface treatment. The articles are precisely placed and inverted as they are transferred from the first tray unto the second tray. Additionally, both sides of the ophthalmic lenses may be plasma reacted while supported on the second tray.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.