Method for preparing a glass convenient for trimming, a glass thus obtained, and method for trimming such a glass
AssigneeEssilor International Campagnie
InventorsPascale LACAN, Dominique Conte
Life of this patent
Estimating the term…
Abstract
The aim of the invention is to provide a method for making appropriate for trimming a glass comprising a hydrophobic and/or oil-repellent surface coating. According to the invention, it is characterized in that at the surface of said glass a temporary protective layer is coated, imparting to the glass a surface energy at least equal to 15 mJ/m2.
Claims22
A method for improving adhesion between ophthalmic glass comprising a hydrophobic and/or oil-repellent substrate coating and an adhesive holding pad associated with a glass trimming device comprising applying a temporary layer on the hydrophobic and/or oil-repellent substrate coating, the temporary layer imparting to the ophthalmic glass a surface energy of at least 15 mJ/m2.
Dependencies are inferred from the claim text.