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:
Jan. 20, 2004
Filed:
Aug. 22, 2000
Alain Fournier, Saint Lys, FR;
Nathalie Duret, Blagnac, FR;
Aerospatiale Matra Airbus, Paris Cedex, FR;
Abstract
In order to manufacture a sandwich panel using the RTM technique, a stack comprising a core ( ) with open cells, a film ( ) of intumescent material covering each of the faces of the core ( ), a dry barrier fabric ( ) covering each of the films ( ) and an overlay of dry fibers ( ) covering each of the barrier fabrics is placed in a mold. During polymerization of the films ( ), pressurization of the mold and the presence of the barrier fabrics ( ) prevent penetration of the foam into the overlays ( ). The resin is then injected into the mold and then polymerized, without danger of penetration into the cells of the core ( ).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile