Patent · US Active

Method for trimming a pre-coated ophthalmic eyeglass lens

US9446491B2 · kind B2 · utility

0Cited by

27References

20Claims

0Family size

Assignee

Essilor International (Compagnie Generale d'Optique) · FR

Inventors

Cedric Lemaire · Montivilliers, FR
Cedric Begon · Charenton-le-Pont, FR
Konogan Baranton · Charenton-le-Pont, FR
Ahmed Haddadi · Charenton-le-Pont, FR
Patrice Szymanski · Charenton-le-Pont, FR
Gerard Poirrier · Charenton-le-Pont, FR

Key dates

Filing date	Jul 1, 2011
Grant date	Sep 20, 2016
Priority date	—
Expiry date	Jan 26, 2032

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB29D11/00932
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

Method of shaping an ophthalmic eyeglass lens presenting two main optical working faces and including firstly a substrate made of a first material and presenting two main faces corresponding to the two main faces of the lens, and secondly at least one coating film made of a material distinct from that of the substrate, the coating film being previously secured on at least one of the main faces of the substrate, includes:

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