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:
May. 03, 2016
Filed:
May. 19, 2010
Yohann Felten, Charenton Le Pont, FR;
Matthieu Le Gall, Charenton Le Pont, FR;
Yohann Felten, Charenton Le Pont, FR;
Matthieu Le Gall, Charenton Le Pont, FR;
ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE), Charenton Le Pont, FR;
Abstract
A method for blocking an optical lens () on a holding unit () thanks to a thermoplastic material layer () comprising the steps of: a) providing around the holding unit () a removable part () comprising an upper part surface () which is arranged so as to extend the upper assembling surface () of the holding unit and not to contact the bottom lens surface (); b) providing a predetermined volume of a thermoplastic material; c) orientating the lens () in a desired spatial configuration; d) positioning the lens () contacting the thermoplastic material of step b) at a soften or melted state and pressing the lens () so as to keep the lens spatial configuration constant and to let the thermoplastic material flow from the upper assembling surface () of the holding unit to at least a part of the upper part surface () of the removable part (); e) removing the removable part.