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:
Jul. 09, 2019
Filed:
Aug. 30, 2018
Applicant:
Bando Chemical Industries, Ltd., Kobe-shi, Hyogo, JP;
Inventors:
Naohisa Harushige, Kobe, JP;
Yohei Hattori, Kobe, JP;
Koichi Hosokawa, Kobe, JP;
Hisashi Izumi, Kobe, JP;
Tomoaki Hata, Kobe, JP;
Assignee:
BANDO CHEMICAL INDUSTRIES, LTD., Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D 29/10 (2006.01); F16G 1/28 (2006.01); F16G 5/06 (2006.01); F16G 5/20 (2006.01); B29D 29/08 (2006.01); B32B 3/30 (2006.01); F16G 1/00 (2006.01); B32B 25/08 (2006.01);
U.S. Cl.
CPC ...
B29D 29/103 (2013.01); B29D 29/08 (2013.01); B29D 29/10 (2013.01); B32B 3/30 (2013.01); B32B 25/08 (2013.01); F16G 1/00 (2013.01); F16G 1/28 (2013.01); F16G 5/06 (2013.01); F16G 5/20 (2013.01); B32B 2260/021 (2013.01); B32B 2307/306 (2013.01); B32B 2307/554 (2013.01); B32B 2413/00 (2013.01);
Abstract
A surface sheet which is to constitute a surface layer and a core sheet which is to constitute a core layer are prepared. A plurality of ridges is formed on the core sheet, and the surface sheet is bonded such that the surface sheet covers the plurality of ridges, thereby forming compression layer-forming portions.