Title:
複合材料品を作るためのニードルド繊維プレフォームの作成
Document Type and Number:
Japanese Patent JP4434574
Kind Code:
B2
Abstract:
A fiber preform constituting fiber reinforcement of a composite material part that is to be fabricated is made by superposing and bonding together fiber plies, and by densifying the needled preform by introducing a material constituting the matrix of the composite material into it. During the process of making the preform, a powder is dusted onto the surface of at least some of the plies, the powder comprising at least one ingredient selected from a solid resin in powder form and solid fillers in powder form. The powder is dusted onto the surface of the top ply of the preform that is being made, prior to superposing and needling at least one additional ply.
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Inventors:
Eric Lover Three
Jean-Michel Gilman
Eric Bouillon
Eric Philip
Jean-Michel Gilman
Eric Bouillon
Eric Philip
Application Number:
JP2002359524A
Publication Date:
March 17, 2010
Filing Date:
December 11, 2002
Export Citation:
Assignee:
SNECMA PROPULSION SOLIDE
International Classes:
B29C70/02; B29C70/24; B29C70/46; B32B5/26; D04H1/407; D04H1/48; D04H1/498
Domestic Patent References:
JP1133914A | ||||
JP8511329A | ||||
JP7104762A | ||||
JP6240571A | ||||
JP1118655A |
Foreign References:
US4515847 | ||||
WO1999012733A1 |
Attorney, Agent or Firm:
Aoyama Aoi
Muneo Yamamoto
Muneo Yamamoto