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:
Jun. 04, 2019
Filed:
Jul. 25, 2013
Applicant:
Samsung Corning Precision Materials Co., Ltd., Gyeongsangbuk-do, KR;
Inventor:
Jae Chang Lee, ChungCheongNam-Do, KR;
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03B 33/03 (2006.01); C03B 33/033 (2006.01);
U.S. Cl.
CPC ...
C03B 33/033 (2013.01); C03B 33/03 (2013.01); B65G 2249/04 (2013.01); Y02P 40/57 (2015.11); Y10T 83/0341 (2015.04); Y10T 83/343 (2015.04); Y10T 225/12 (2015.04);
Abstract
A cutting method and cutting stage of toughened glass with which a piece of toughened glass is divided into unit pieces of toughened glass. The cutting method cuts a piece of toughened glass which is strengthened by forming a compressive stress in the surface of a raw glass plate. The method includes the steps of reducing the central tension inside a cutting portion of the piece of toughened glass that is to be cut by concavely bending the cutting portion; and cutting the piece of toughened glass by forming a median crack in the cutting portion.