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:
Aug. 03, 2010
Filed:
May. 08, 2007
Hans-walter Abraham, Darmstadt, DE;
Armin Zehner, Huehnstetten, DE;
Gernot Frei, Bad Gandersheim, DE;
Hans-juergen Klein, Salzgitter, DE;
Thomas Niklos, Griesheim, DE;
Ulrich Zirfas, Bad Gandersheim, DE;
Willi Mattheis, Mainz, DE;
Hans-Walter Abraham, Darmstadt, DE;
Armin Zehner, Huehnstetten, DE;
Gernot Frei, Bad Gandersheim, DE;
Hans-Juergen Klein, Salzgitter, DE;
Thomas Niklos, Griesheim, DE;
Ulrich Zirfas, Bad Gandersheim, DE;
Willi Mattheis, Mainz, DE;
Schott AG, Mainz, DE;
Abstract
The invention provides a method of producing reflectors from glass or glass ceramics comprising the steps of: molding a reflector being open to the outside and having a closed bottom in a mold at a temperature above the transformation temperature; placing the reflector in a recess of a holder; heating up the reflector in the area of its bottom; lifting the bottom of the reflector from below using a die; punching out at least one opening from the bottom by moving at least one plunger into at least one matching opening in the die.