Patent · US Active

Method and a device for automatically preparing an ophthalmic lens for mounting

US7661819B2 · kind B2 · utility

5Cited by
4References
19Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 4, 2007
Grant dateFeb 16, 2010
Priority date
Expiry dateDec 3, 2027

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB24B9/146
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A method includes the following steps: a step of automatically measuring centering characteristics of the lens; a step of blocking the lens on a cutting-out element; a step of cutting out the lens; and a plurality of steps of acquiring axial coordinates of acquired points of a face of the lens, including a first acquisition of axial coordinates of the lens prior to blocking the lens on the cutting-out element, and a second step of acquisition by feeling that is subsequent to the blocking step.

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