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.

Date of Patent:
Aug. 05, 2025

Filed:

Jan. 13, 2021
Applicant:

Docter Optics SE, Neustadt an der Orla, DE;

Inventors:

Florian Pilz, Neustadt an der Orla, DE;

Sven Fröhlich, Neustadt an der Orla, DE;

Assignee:

DOCTER OPTICS SE, Neustadt an der Orla, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 45/16 (2006.01); B29L 11/00 (2006.01);
U.S. Cl.
CPC ...
B29C 45/1618 (2013.01); B29C 45/1679 (2013.01); B29K 2995/0018 (2013.01); B29L 2011/0016 (2013.01);
Abstract

The disclosure relates to a method for producing an optical element () having at least one optically effective surface, wherein, by means of a first injection mold of an injection-molding machine (') liquid transparent plastic (, P, P) is injection-molded to form a preform and/or a pre-molded part () having at least one preform (), the preform or the pre-molded part () subsequently being cooled outside the first injection mold and/or outside the injection-molding machine (′), and the preform () to form the optical element subsequently being injection-molded and/or over-molded in a second injection mold by applying at least one layer of plastic, which forms the optically effective surface ().


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