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:
Aug. 12, 2025
Filed:
Oct. 07, 2022
Sumitomo Riko Company Limited, Aichi, JP;
Tokai Chemical Industries, Ltd., Gifu, JP;
Koji Tomiyama, Aichi, JP;
Kazuyoshi Onishi, Aichi, JP;
Yuhei Adachi, Aichi, JP;
Kazuto Tanaka, Aichi, JP;
Yasuo Suzuki, Gifu, JP;
Hiroki Taguchi, Gifu, JP;
Sumitomo Riko Company Limited, Aichi, JP;
TOKAI CHEMICAL INDUSTRIES, LTD., Gifu, JP;
Abstract
A sound-absorbing cover comprises a first sound-absorbing layer and a second sound-absorbing layer made of foam, a first skin layer of the first sound-absorbing layer and a second skin layer of the second sound-absorbing layer are layered in a state of being made to face each other, and an air layer is provided between the facing surfaces of the first skin layer and the second skin layer. The rigidity of the first skin layer of the first sound-absorbing layer is different from the rigidity of the second skin layer of the second sound-absorbing layer.