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:
Oct. 13, 2026
Filed:
May. 17, 2022
Essilor International, Charenton-le-Pont, FR;
Essilor International, Charenton-le-pont, FR;
Abstract
Injection-compression molding apparatus and methods to form a lens in a mold insert by an injecting a polymer into an internal cavity of the mold insert until a pressure of the internal cavity exceeds a predetermined force value, the first mold side being fixed and the second mold side being moveable and configured to apply a force generating the internal cavity pressure. The method includes controlling a first temperature of the first mold side to be in a range of 4 degrees Fahrenheit to 10 degrees Fahrenheit greater than a second temperature of the second mold side and controlling a coining compression distance of the second mold side to be in a range of 0.008 inches to 0.018 inches.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile