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:
Apr. 10, 1990
Filed:
Jul. 14, 1988
Applicant:
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B02C / ;
U.S. Cl.
CPC ...
241 65 ; 241172 ; 241179 ;
Abstract
The inner wall of a grinding container (10) is made up of a plurality of ceramic rings (20; 46) which are held together by an enclsure (12). The ceramic rings (20; 46) may be made from case to case of a ceramic material, for example silicon nitride, adapted to the material to be ground and installed in the grinding container (10). They may comprise at their end faces (22, 24) interengaging profiles and/or be adhered together at their end faces (22, 24).