Patent Number: 7,820,085

Title: Methods relating to molding optical lenses

Abstract: A method that includes providing a cavity defined by at least a portion of a mold and a closure member attached to the portion of the mold, the portion of the mold being oriented vertically and having a top and a bottom, and a sealing material being positioned near the bottom and attached to the closure member; puncturing the sealing material and the closure member with an instrument near the bottom, the puncturing creating an opening in the sealing material; and introducing a polymerizable composition into the cavity through the instrument. A method useful in testing sealing materials. Other methods are also disclosed.

Inventors: Keita; Gabriel (Clearwater, FL), Boryslawski; Joseph (St. Petersburg, FL)

Assignee: Essilor International

International Classification: B29C 35/00 (20060101); B29D 11/00 (20060101)

Expiration Date: 2018-10-26 0:00:00