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:
Sep. 07, 1976
Filed:
May. 05, 1975
Applicant:
Inventor:
Louis J Trostel, Jr, Princeton, MA (US);
Assignee:
Norton Company, Worcester, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B / ; C04B / ; C04B / ;
U.S. Cl.
CPC ...
106 44 ; 106 57 ; 106 65 ; 264 60 ;
Abstract
A polycrystalline monolithic sintered alumina refractory body (for use as kiln furniture, and crucibles or nozzles for containment of molten metal) is of fine crystalline sintered aluminum oxide including 15 to 44% by weight of grains of silicon carbide dispersed throughout, such silicon carbide preferably having a sizing between 6 and 46 mesh, but in any case at least 75% being coarser than 100 mesh, such bodies having superior thermal stability and shock resistance.