Mandril for the fabrication of hollow composite material articles and fabrication of these articles by the aid of this mandril

Mandrel for the manufacture of a hollow body made of composite material. According to the invention the said mandrel consists of a homogeneous block of graphite felt in which the fibres are embedded in a pyrolytic carbon matrix. The densification of the fibre arrangement intended to form the said ho...

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Bibliographische Detailangaben
Hauptverfasser:	DOURTHE, PATRICE, PASTUREAU, NICOLE
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA METALLURGY PERFORMING OPERATIONS REFRACTORIES SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SLAG TRANSPORTING TREATMENT OF NATURAL STONE WORKING CEMENT, CLAY, OR STONE WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	Mandrel for the manufacture of a hollow body made of composite material. According to the invention the said mandrel consists of a homogeneous block of graphite felt in which the fibres are embedded in a pyrolytic carbon matrix. The densification of the fibre arrangement intended to form the said hollow body is carried out in an inert atmosphere.