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.

Date of Patent:
May. 25, 2021

Filed:

Mar. 10, 2016
Applicant:

Toray Industries, Inc., Tokyo, JP;

Inventors:

Hiroshi Kajiyama, Otsu, JP;

Taira Omori, Otsu, JP;

Kenichi Sakai, Otsu, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D04H 1/4334 (2012.01); B32B 5/26 (2006.01); D04H 1/593 (2012.01); B32B 5/02 (2006.01); D04H 1/559 (2012.01); B32B 7/12 (2006.01); D04H 1/541 (2012.01); D04H 1/4382 (2012.01); G10K 11/168 (2006.01); D04H 1/435 (2012.01); G10K 11/162 (2006.01); D04H 1/587 (2012.01);
U.S. Cl.
CPC ...
D04H 1/4334 (2013.01); B32B 5/022 (2013.01); B32B 5/024 (2013.01); B32B 5/26 (2013.01); B32B 7/12 (2013.01); D04H 1/435 (2013.01); D04H 1/4382 (2013.01); D04H 1/541 (2013.01); D04H 1/559 (2013.01); D04H 1/587 (2013.01); D04H 1/593 (2013.01); G10K 11/162 (2013.01); G10K 11/168 (2013.01); B32B 2260/021 (2013.01); B32B 2260/046 (2013.01); B32B 2262/0253 (2013.01); B32B 2262/0261 (2013.01); B32B 2262/0284 (2013.01); B32B 2307/10 (2013.01); B32B 2307/102 (2013.01); B32B 2307/304 (2013.01); B32B 2307/3065 (2013.01); B32B 2307/718 (2013.01); B32B 2307/72 (2013.01); B32B 2307/724 (2013.01); B32B 2307/73 (2013.01); B32B 2307/732 (2013.01); B32B 2367/00 (2013.01); B32B 2377/00 (2013.01); B32B 2419/00 (2013.01); B32B 2457/00 (2013.01); B32B 2605/08 (2013.01); D10B 2331/02 (2013.01); D10B 2331/04 (2013.01); D10B 2401/041 (2013.01);
Abstract

There is provided a laminated nonwoven fabric having excellent sound absorbing performance in a low frequency range, the laminated nonwoven fabric having a skin layer and a base material layer, the skin layer having a nonwoven fabric A, the nonwoven fabric A having a density of 100 to 500 kg/m, a thickness of 0.5 to 2.5 mm, and an air permeability of 4 to 40 cm/cm/s; and the base material layer having a nonwoven fabric B, the nonwoven fabric B having a basis weight of 200 to 500 g/mand a thickness of 5 to 40 mm.


Find Patent Forward Citations

Kajiyama, Hiroshi. (2021). Laminated nonwoven fabric (U.S. Patent No. 11015272). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11015272

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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