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:
Dec. 22, 2015
Filed:
Aug. 30, 2012
Applicants:
Fukushi Kawakami, Hamamatsu, JP;
Takayuki Sano, Shizuoka, JP;
Inventors:
Fukushi Kawakami, Hamamatsu, JP;
Takayuki Sano, Shizuoka, JP;
Assignee:
Tomoegawa Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D04H 1/4234 (2012.01); G10K 11/162 (2006.01); G10K 11/18 (2006.01); D04H 1/46 (2012.01); E04B 1/80 (2006.01); E04B 1/99 (2006.01); H04B 1/08 (2006.01); E04B 1/84 (2006.01);
U.S. Cl.
CPC ...
G10K 11/162 (2013.01); D04H 1/4234 (2013.01); D04H 1/46 (2013.01); E04B 1/80 (2013.01); E04B 1/994 (2013.01); G10K 11/18 (2013.01); H04B 1/086 (2013.01); E04B 2001/8452 (2013.01);
Abstract
A sound transmission material is made of fibers entangled with each other and has a self-standing property and a high performance sound transmission property, namely the TABER™ stiffness is not less than 5 mN×m, the bending resistance is not less than 100 mN, the porosity is not less than 50%, and the thickness is not more than 3 mm.