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:
Aug. 09, 1994
Filed:
Feb. 02, 1993
Aline Balhadere, Vendays Montalivet, FR;
Bruno Bernard, Fystnes, FR;
Jacques A Moreau, Bordeaux, FR;
Isabelle Mouricou, Arsac, FR;
Christian Robin-Brosse, Le Haillan, FR;
Societe Europeenne de Propulsion, Suresnes, FR;
Abstract
A fiber preform is initially consolidated by being impregnated with a thermosetting impregnation composition that contains a ceramic precursor, and by heat treatment at the end of which the precursor has been transformed into ceramic, without passing through a meltable phase. The consolidated preform is then densified. The impregnation composition is constituted by a mixture of a thermosetting monomer and a ceramic precursor polymer, and the monomer is cross-linked during the heat treatment so as to achieve 'in situ' cross-linking of the polymer mixture prior to transforming the precursor into ceramic.