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:
Jun. 23, 2026
Filed:
May. 26, 2023
Aac Optics (Changzhou) Co., Ltd., Changzhou City, CN;
Tao Liang, Changzhou, CN;
AAG OPTICS (CHANGZHOU) CO., LTD., Changzhou City, CN;
Abstract
A lens forming method is provided, including: heating a blank mold with a pre-molding cavity until a glass preform in the pre-molding cavity is in a semi-molten state; applying a pressure to the blank mold, so that the glass preform is extruded to form a lens rough blank with a predetermined shape; cooling the blank mold and the lens rough blank, and separating the blank mold by depressurization, to transfer the lens rough blank to a molding cavity of a high-precision aspherical mold; heating the high-precision aspherical mold until the lens rough blank is softened to a semi-molten state; applying a pressure to the high-precision aspherical mold, so that the lens rough blank is extruded to form a lens molded part with an aspherical structure; and cooling the high-precision aspherical mold and the lens molded part, and separating the high-precision aspherical mold by depressurization, to remove the lens molded part.