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. 10, 1978
Filed:
May. 03, 1977
Applicant:
Inventors:
Henri Carbonnel, Antony, FR;
Francois Chaminade, Etampes, FR;
Assignee:
Groupement pour les Activites Atomiques et Avancees, Le Plessis Robinson, FR;
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
106 / ; 106 55 ; 106 57 ; 106 65 ; 106 732 ;
Abstract
The present invention concerns insulating ceramic substances, passive with respect to corrosive molten metals such as aluminium or steel, having a controlled porosity, withstanding without cracking repeated thermal shocks. Such ceramics are obtained by sintering without charge at a low temperature after addition of a fluoride.