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:
Dec. 10, 2013
Filed:
Oct. 03, 2005
Ralf Bonitz, Stadecken-Elsheim, DE;
Rainer Adebahr, Gruenenplan, DE;
Frank Peters, Delligsen, DE;
Doctor Optics SE, , DE;
Abstract
The method for making a lens with a first convex lens surface () and a second lens surface () includes feeding a glass melt drop into a concave mold (), precise pressing both sides of the glass melt drop in the concave mold () together with a press die () and immersing the press die () in the glass melt drop so that a supporting rim () with predetermined dimensions, which protrudes beyond a highest point of the second lens surface (), is formed on the lens by glass material displaced by the precise pressing. The apparatus for precise pressing includes an upper mold part () a lower mold part () and the press die ().