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:
Feb. 25, 2003
Filed:
Jul. 20, 2001
Applicant:
Inventors:
Hiroshi Sugawara, Kanagawa-ken, JP;
Takayuki Fukui, Kanagawa-ken, JP;
Assignee:
Nissan Motor Co., Ltd., Yokohama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21J 1/00 ;
U.S. Cl.
CPC ...
D21J 1/00 ;
Abstract
A sound absorbing-insulating structure for vehicles includes a sound absorbing layer which contains cellulose fibers containing cotton yarns, pulp fibers, etc. and synthetic resin as principle components. The sound absorbing-insulating structure for vehicles, in which a content rate of the synthetic resin is in the range of 0.01 to 80 wt %, and a surface density is in the range of 0.2 to 3 kg/m , is provided. This sound absorbing-insulating structure has a good sound absorbing-characteristic and is light in weight and inexpensive in cost.