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:
Oct. 31, 1995
Filed:
Dec. 09, 1993
Applicant:
Inventors:
Reinhard Stief, Weinheim, DE;
Gerhard Muller-Broll, Rimbach, DE;
Thomas Jost, Weinheim, DE;
Manfred Mattutat, Ladenburg, DE;
Klaus-Dieter Schmitt, Gorxheimertal, DE;
Assignee:
Firma Carl Freudenberg, Weinheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B62B / ;
U.S. Cl.
CPC ...
296198 ; 280847 ;
Abstract
A wheel lining with a structure made of a polymer, mounted at a distance from wheel, self-supporting, and impermeable to air. The lining is double-walled and incorporates at least two chambers. The walls of the chambers the facing the wheel are provided with at least one opening each to form Helmholtz resonators.