US 11,897,806 B2
Method and apparatus for producing a thin glass ribbon, and thin glass ribbon produced according to such method
Andreas Habeck, Undenheim (DE); Thomas Rossmeier, Bodenheim (DE); Jürgen Vogt, Oberheimbach (DE); Ulrich Lange, Mainz (DE); Stephan Zachmann, Gau-Odernheim (DE); and Thomas Wiegel, Alfeld (DE)
Assigned to SCHOTT AG, Mainz (DE)
Filed by SCHOTT AG, Mainz (DE)
Filed on Feb. 18, 2020, as Appl. No. 16/793,677.
Application 16/793,677 is a division of application No. 15/351,054, filed on Nov. 14, 2016, granted, now 10,618,834, issued on Apr. 14, 2020.
Application 15/351,054 is a continuation of application No. PCT/EP2015/058104, filed on Apr. 14, 2015.
Claims priority of application No. 102014106817.3 (DE), filed on May 14, 2014.
Prior Publication US 2020/0223734 A1, Jul. 16, 2020
Int. Cl. C03C 3/091 (2006.01); C03B 29/16 (2006.01); C03B 21/06 (2006.01); C03B 21/02 (2006.01); C03B 17/06 (2006.01)
CPC C03B 29/16 (2013.01) [C03B 17/064 (2013.01); C03B 21/02 (2013.01); C03B 21/06 (2013.01); C03C 3/091 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A thin glass ribbon, comprising:
a thickness of less than 250 μm;
a thickness (Duse) in a center of the thin glass ribbon; and
edges that are rounded off and have a fire-polished surface, wherein the edges have a maximum thickness (DB), wherein

OG Complex Work Unit Math
and
wherein π is the mathematical constant number π, and
wherein each of the edges comprises a border and each of the borders are thicker than the thickness (D use) in the center of the thin glass ribbon.