The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 10, 2012
Filed:
Mar. 10, 2006
Alexandre Gourraud, Charenton le Pont, FR;
Loic Quere, Charenton le Pont, FR;
Alexandre Gourraud, Charenton le Pont, FR;
Loic Quere, Charenton le Pont, FR;
Essilor International (Compagnie Generale d'Optique), Charenton-le-Pont, FR;
Abstract
The invention relates to a method of machining a face () of an ophthalmic lens () with a main machining step in which the position of a machining tool () is synchronised with the angular position of the ophthalmic lens () which is rotated around an axis of rotation () that is transverse to the face (), in order to provide the face with a machined surface that is asymmetrical in relation to the axis of rotation () of the ophthalmic lens (); and a complementary machining step in which a recess () is machined around the axis of rotation () of the lens ().