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. 26, 1996
Filed:
Feb. 24, 1995
Applicant:
Inventor:
Seiji Kijima, Osaka, JP;
Assignee:
Nitto Denko Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R / ;
U.S. Cl.
CPC ...
181171 ; 181172 ;
Abstract
A loudspeaker member comprising a viscoelastic foam obtained by vulcanization-foaming a viscous rubber mixture comprising the following components (A), (B), (C), and (D), wherein the viscoelastic foam has a tensile strength of from 0.1 to 100 kg/cm.sup.2 and a specific gravity of from 0.07 to 1.2;