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:
Mar. 01, 1988
Filed:
Aug. 05, 1986
Applicant:
Inventors:
Hans-Jurgen Comans, Krefeld-Fisheln, DE;
Ulrich Krohn, Leonberg, DE;
Hans Jud, Esslingen, DE;
Hans-Gerd Rittel, Wendlingen, DE;
Assignee:
Feldmuehle Aktiengesellschaft, Dusseldorf II, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C / ; C23C / ;
U.S. Cl.
CPC ...
428698 ; 428 36 ; 428701 ; 428699 ;
Abstract
In a sliding element having first and second members in friction and/or sealing contact, the first member s made by sintering a ceramic mixture based on silicon nitride, the content of the silicon nitride phase and/or of the silicon nitride mixed crystal phase being at least 60 weight-percent and the second counter-element member being formed of a ceramic material based on aluminum oxide.