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:
Mar. 15, 2022
Filed:
Mar. 06, 2017
Applicant:
Nisshin Steel Co. Ltd., Tokyo, JP;
Inventors:
Assignee:
Nisshin Steel Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 3/20 (2006.01); G01N 3/08 (2006.01); E04D 1/18 (2006.01); E04D 1/28 (2006.01); G06F 30/17 (2020.01); G06F 30/20 (2020.01);
U.S. Cl.
CPC ...
G01N 3/20 (2013.01); E04D 1/18 (2013.01); E04D 1/28 (2013.01); G01N 3/08 (2013.01); G06F 30/17 (2020.01); G06F 30/20 (2020.01); G01N 2203/0017 (2013.01); G01N 2203/0091 (2013.01);
Abstract
The present invention provides a method for testing strength of a metal roofing material, the metal roofing material comprising: a front substrate made of a metal sheet; a back substrate arranged on the back side of the front substrate; and a core material filled between the front substrate and the back substrate, the method comprising the steps of: tightening the metal roofing materialto a base; and applying a loadL for uplifting an end portionE of the metal roofing materialtightened to the baseto the end portionE and measuring an uplift amount of the end portionE corresponding to the loadL.