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:
May. 10, 2011
Filed:
Mar. 07, 2006
Yoshiaki Saito, Ichihara, JP;
Minoru Sugawara, Ichihara, JP;
Hirofumi Goda, Ichihara, JP;
Takeharu Suga, Higashihiroshima, JP;
Masaharu Okamura, Higashihiroshima, JP;
Toshifumi Sakai, Higashihiroshima, JP;
Yoshiaki Saito, Ichihara, JP;
Minoru Sugawara, Ichihara, JP;
Hirofumi Goda, Ichihara, JP;
Takeharu Suga, Higashihiroshima, JP;
Masaharu Okamura, Higashihiroshima, JP;
Toshifumi Sakai, Higashihiroshima, JP;
Prime Polymer Co., Ltd., Tokyo, JP;
DaikyoNishikawa Corporation, Aki-gun, JP;
Abstract
A process for producing a sound absorber having skin layers constituting front and back surfaces and, interposed between the skin layers, a void layer having a plurality of pin formed holes, each hole having a depth which is enough to penetrate one of the skin layers and is not enough to reach the other skin layer. The sound absorber is formed of a resin material containing 2 to 60 wt % of reinforcing fibers with a length of 2 to 100 mm.