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:
Sep. 05, 2000
Filed:
Mar. 24, 1998
Peter Herbrechtsmeier, Konigstein/Ts., DE;
Karl Baur, Kornwestheim, DE;
Roger Biel, Frankfurt/M., DE;
John Golby, Aschaffenburg, DE;
Roland Hauck, Hohenfels, DE;
Peter Hagmann, Erlenbach/M., DE;
Axel Heinrich, Schaafheim, DE;
Otto Kretzschmar, Einhausen, DE;
Anette Lang, Grossostheim, DE;
Achim Muller, Aschaffenburg, DE;
Thomas Schulz, Neu-Isenburg, DE;
Bernhard Seiferling, Goldbach, DE;
Werner Steffan, Eichenbuehl, DE;
Novartis AG, Basel, CH;
Abstract
Efficient and consistent processes for manufacturing moldings, especially ophthalmic lenses such as contact lenses. The processes comprises a series of improvements, including improvements in the areas of conditions for dispensing liquid prepolymer into lens molds, male and female mold mating, reusable molds, mold cleaning, lens separation from molds (demolding), lens handling, and in-line inspection. Cyclic series of processing steps are also disclosed. Additionally, an improved molding tool is disclosed, with the molding tool including a male mold housing and a female mold housing, each of which have disposed therein a plurality of mold halves.