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. 13, 2011
Filed:
Jul. 13, 2006
Gerhard Lautenschlaeger, Jena, DE;
Andreas Langsdorf, Ingelheim, DE;
Ulrich Lange, Mainz, DE;
Bernd Ruedinger, Woerrstadt, DE;
Klaus Schneider, Apolda, DE;
Michael Jacquorie, Rheinboellen, DE;
Friedrich Siebers, Nierstein, DE;
Wolfgang Schmidbauer, Mainz-Finthen, DE;
Gerhard Lautenschlaeger, Jena, DE;
Andreas Langsdorf, Ingelheim, DE;
Ulrich Lange, Mainz, DE;
Bernd Ruedinger, Woerrstadt, DE;
Klaus Schneider, Apolda, DE;
Michael Jacquorie, Rheinboellen, DE;
Friedrich Siebers, Nierstein, DE;
Wolfgang Schmidbauer, Mainz-Finthen, DE;
Schott AG, Mainz, DE;
Abstract
A method for making a float glass convertible into a glass ceramic, by which a largely crystal fault-free glass can be produced. In this method the glass is cooled from a temperature (T), at which a crystal growth rate is at a maximum value (KG), to another temperature (T), at which practically no more crystal growth occurs, with a cooling rate, KR, in ° C. minaccording to: wherein ΔT=T−T, and KGmax=maximum crystal growth rate in μm min. The float glass has a thickness below an equilibrium thickness, a net width of at least 1 m and has no more than 50 crystals with a size of more than 50 μm, especially no crystals with a size of more than 10 μm, per kilogram of glass within the net width.