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. 02, 2013
Filed:
Jul. 10, 2012
Hisaaki Kobayashi, Minokamo, JP;
Hiroshi Makino, Nagoya, JP;
Yasuhiro Suzuki, Anjo, JP;
Takahiro Ogo, Anjo, JP;
Hisaaki Kobayashi, Minokamo, JP;
Hiroshi Makino, Nagoya, JP;
Yasuhiro Suzuki, Anjo, JP;
Takahiro Ogo, Anjo, JP;
Inoac Corporation, Aichi, JP;
Abstract
PROBLEMS The present invention provides a sound absorbing structure that enables a sound absorbing rate thereof to be raised in a low-frequency region or medium-high frequency from around 500 Hz to 10 KHz, and a thickness thereof to be reduced. SOLUTIONS The sound absorbing structure has: a non-air permeable sheet molding object having, on one surface side thereof, a plurality of cavities including recesses formed by bending; and a non-air permeable surface sheet which is layered on the sheet molding object, on a cavity open-top side surface thereof, so as to cover open-top of the plurality of cavities, wherein the surface sheet is fixed at outer peripheral sections of the sheet molding objectand is not fixed to the sheet molding object at portions between adjacent cavities.