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. 27, 2024
Filed:
Oct. 15, 2019
Applicant:
Archem Inc., Tokyo, JP;
Inventor:
Yusuke Yamanaka, Tokyo, JP;
Assignee:
Archem Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 5/24 (2006.01); B29C 43/00 (2006.01); B29C 43/20 (2006.01); B29C 43/52 (2006.01); B32B 3/26 (2006.01); B32B 3/28 (2006.01); B32B 5/02 (2006.01); B32B 5/18 (2006.01); B32B 7/02 (2019.01); B32B 37/18 (2006.01); G10K 11/00 (2006.01); B29K 75/00 (2006.01); B29K 105/04 (2006.01); B29K 105/12 (2006.01); B60R 13/08 (2006.01);
U.S. Cl.
CPC ...
B32B 5/245 (2013.01); B29C 43/003 (2013.01); B29C 43/203 (2013.01); B29C 43/52 (2013.01); B32B 3/263 (2013.01); B32B 3/28 (2013.01); B32B 5/022 (2013.01); B32B 5/18 (2013.01); B32B 7/02 (2013.01); B32B 37/185 (2013.01); G10K 11/002 (2013.01); B29K 2075/00 (2013.01); B29K 2105/04 (2013.01); B29K 2105/128 (2013.01); B29K 2995/0002 (2013.01); B32B 2262/0276 (2013.01); B32B 2266/0278 (2013.01); B32B 2305/022 (2013.01); B32B 2307/102 (2013.01); B32B 2307/72 (2013.01); B32B 2307/732 (2013.01); B32B 2367/00 (2013.01); B32B 2375/00 (2013.01); B32B 2605/00 (2013.01); B60R 13/0838 (2013.01);
Abstract
A sound insulation materialincludes a first layerconstituted by a polyurethane foam, a second layerthat is laminated on a surface of the first layer, the surface being located on a first side, and that is constituted by a sheet-shaped member made from a material other than polyurethane, and a third layerthat is laminated on a surface of the second layer, the surface being located on the first side, that is constituted by a polyurethane foam, and that, over its entirety, has a higher density than the density of at least a portion of the first layer.