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. 05, 1977
Filed:
Jul. 28, 1975
Applicant:
Inventor:
Nils G Schrewelius, Hallstahammar, SW;
Assignee:
Bulten-Kanthal Aktiebolag, , SW;
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
428 35 ; 106 44 ; 432253 ; 432241 ; 432258 ;
Abstract
A heat resistant material comprising a recrystallized (self bound) skeleton of silicon carbide the pores of which are filled by infiltration of a heat resistant infiltration material, such as a silicon-molybdenum disilicide composition, so that the porosity is less than 5 % and preferably less than 2 %, the composition of the final material being such that the bending strength thereof at room temperature is at least 5 kp/mm.sup.2, and preferably above 10 kg/mm.sup.2, such as of the order of 20 kp/mm.sup.2.