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:
Nov. 22, 2011
Filed:
Sep. 17, 2010
Tadashi Mori, Tokyo, JP;
Motonori Kondoh, Tokyo, JP;
Kaname Arimizu, Tokyo, JP;
Takahiro Niwa, Tokyo, JP;
Masaki Yoshihara, Tokyo, JP;
Tadashi Mori, Tokyo, JP;
Motonori Kondoh, Tokyo, JP;
Kaname Arimizu, Tokyo, JP;
Takahiro Niwa, Tokyo, JP;
Masaki Yoshihara, Tokyo, JP;
Nichias Corporation, Tokyo, JP;
Abstract
The present invention relates to a soundproof cover containing: a sound-absorbing material disposed facing to a sound source; a soft sound-insulating layer laminated on the sound-absorbing material and having an air permeability measured according to JIS L 1018 (1999) of 10 cc/cm·sec or less; and a soft cover forming an air layer with the soft sound-insulating layer and having a Young's modulus measured according to JIS K 7127 (1999) of 0.2 to 1.5 GPa, in which the air layer is hermetically sealed.