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. 24, 1991
Filed:
Aug. 15, 1989
Applicant:
Inventor:
Gerard Rousseau, Saint Aubin de Medoc, FR;
Assignee:
Societe Nationale Industrielle et Aerospatiale, Paris Cedex, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428245 ; 428246 ; 428294 ; 428323 ; 428365 ; 428378 ; 428408 ; 428699 ; 428702 ; 428902 ;
Abstract
The composite material according to the invention has carbon reinforcing fibres (2) coated with a carbon coating (6) and then a SiC coating (8), embedded in a carbon-based matrix, covered by an outer silicon carbide layer (10), sealed by a silicon carbide coating (14), then an aluminium or hafnium nitride coating (16) and finally an outer alumina coating (18). This stainless material can be used as a heat shield for space shuttles.