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:
Oct. 10, 2017
Filed:
Jul. 31, 2015
Applicant:
Schott Ag, Mainz, DE;
Inventors:
Markus Heiss-Chouquet, Bischofsheim, DE;
Kurt Nattermann, Ockenheim, DE;
Clemens Ottermann, Hattersheim, DE;
Matthias Jotz, Alfeld, DE;
Assignee:
SCHOTT AG, Mainz, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 3/08 (2006.01); G01N 3/20 (2006.01);
U.S. Cl.
CPC ...
G01N 3/08 (2013.01); G01N 3/20 (2013.01); G01N 2203/0017 (2013.01); G01N 2203/0067 (2013.01); G01N 2203/028 (2013.01); G01N 2203/0278 (2013.01);
Abstract
A method and an apparatus for examining the fracture strength of flat samples made of brittle-fracture material are provided. The margin of the respective sample is subjected to tensile stress by bending the material in a circular arc shape.