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. 02, 2007
Filed:
Dec. 18, 2003
Applicants:
Arno Sommer, Bobingen, DE;
Dieter Huber, Augsburg, DE;
Dunja Straub, Donauwoerth, DE;
Inventors:
Assignee:
Audi AG, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 31/00 (2006.01); B29D 22/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for producing hollow bodies comprising fiber-reinforced ceramic materials, in which a green body comprising compressible cores and a mouldable composition comprising binders and fiber material which is pressed with compression of the core is produced, the green body is cured and carbonized and pyrolysed by heating in a nonoxidizing atmosphere and, if desired, the body is silicized, hollow bodies produced in this way and their use, in particular as brake and clutch disks