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:
Feb. 23, 2021
Filed:
Mar. 07, 2019
Applicant:
Guardian Glass, Llc, Auburn Hills, MI (US);
Inventors:
Alexey Krasnov, Canton, MI (US);
Xuequn Hu, Northville, MI (US);
Assignee:
Guardian Glass, LLC, Auburn Hills, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/896 (2006.01); C03C 3/078 (2006.01); C03C 23/00 (2006.01); G01N 21/25 (2006.01); C03C 3/087 (2006.01); G01N 21/88 (2006.01);
U.S. Cl.
CPC ...
G01N 21/896 (2013.01); C03C 3/078 (2013.01); C03C 23/0015 (2013.01); G01N 21/25 (2013.01); C03C 3/087 (2013.01); G01N 2021/8845 (2013.01);
Abstract
A method and/or system is provided for detecting inclusions (e.g., nickel sulfide based inclusions/defects) in soda-lime-silica based glass, such as float glass. In certain example instances, during and/or after the glass-making process, following the stage in the float process where the glass sheet is formed and floated on a molten material (e.g., tin bath) and cooled or allowed to cool such as via an annealing lehr, light is directed at the resulting glass and reflection of various wavelengths (e.g., red and blue wavelengths) is analyzed to detect inclusions.