US Patent 7144529 Method for molding ophthalmic lenses

Patent 7144529 was granted and assigned to Essilor on December, 2006 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Essilor

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7144529

Patent Inventor Names

Jean-Louis Mercier0

Date of Patent

December 5, 2006

Patent Application Number

10009180

Date Filed

June 20, 2000

Patent Primary Examiner

‌

Mathieu D. Vargot

Patent abstract

The invention concerns a method for moulding a lens, between a first mould (2) and a second mould (6) which consists in: machining at least one of the moulds (2) into the shape of the lens to be obtained, before moulding. The invention enables to obtain finer lenses, while limiting the required amount of hardenable material for making the lens.