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. 01, 2022
Filed:
May. 23, 2017
Nippon Steel Nisshin Co., Ltd., Tokyo, JP;
Keiji Izumi, Tokyo, JP;
Yuugo Oota, Tokyo, JP;
Tomoyuki Nagatsu, Tokyo, JP;
Norimasa Miura, Tokyo, JP;
Katsunari Norita, Tokyo, JP;
Nippon Steel Nisshin Co., Ltd., Tokyo, JP;
Abstract
A metallic roof materialaccording to the present invention comprises: a front substratemade of a metal sheet, the front substratecomprising a body portionformed into a box shape; a back substratearranged on a back side of the front substrateso as to cover an opening of the body portionand a core materialfilled between the body portionand the back substratethe metallic roof materialbeing tightened to a roof base by driving at least one tightening member into the body portionwherein a top plate portionof the body portioncomprises at least one protruding ribcomprised of at least one protrusiondisposed along a side of a polygon or along a circle, and wherein the metallic roof materialis configured such that the tightening member is driven into an inner regionof the protruding rib