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.

Date of Patent:
Mar. 10, 1992

Filed:

May. 18, 1989
Applicant:
Inventors:

Takashi Maeda, Wako, JP;

Tsuyoshi Yamashita, Wako, JP;

Mitsuo Nakamura, Wako, JP;

Hiroshi Suzuki, Tokyo, JP;

Hideo Fujii, Saitama, JP;

Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E04B / ;
U.S. Cl.
CPC ...
181290 ; 181294 ; 296 393 ; 428355 ;
Abstract

A sound-absorption material for an automobile includes a damping material, a sound-absorption material and a surface material. The damping, sound-absorption and surface materials are integrated together. The damping material includes a moldable plastic constraining material and an adhesive damping sheet containing a petroleum resin. The sound-proof material is integrally attachable to an automotive sheet material such as a dashboard.


Find Patent Forward Citations

Loading…