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. 19, 2016
Filed:
Jul. 09, 2012
Benedicte Marie Le Borgne, Paris, FR;
Erwan Camus, Melun, FR;
Julien Schneider, Corbeil-Essonnes, FR;
Benedicte Marie Le Borgne, Paris, FR;
Erwan Camus, Melun, FR;
Julien Schneider, Corbeil-Essonnes, FR;
SNECMA, Paris, FR;
Abstract
A method for manufacturing a turbine engine fan casing includes placing a fiber structure constituting the fiber reinforcement of a composite material inside skin of an acoustic coating on a tooling element, and then shaping the fiber preform constituting the fiber reinforcement of an abradable casing on the tooling element with cellular structures of acoustic coating and abradable coating cartridges, if any, being interposed. Both the fiber preform of the casing as impregnated by a precursor resin for the matrix of the composite material of the casing, and also the fiber structure of the inside skin of the acoustic coating as impregnated with a precursor resin for the matrix of the composite material of the inside skin are subjected to resin polymerizing heat treatment, and the inside skin of the acoustic coating is multiply perforated so an assembly is obtained that comprises the casing with an incorporated acoustic coating.