Fibrous preform for turbine ring sector and method for manufacturing same

The invention relates to a fibrous preform (40) for a turbine ring sector, obtained by three-dimensional weaving and comprising a first part (42) forming a base, two L-shaped parts forming a tab (44, 46) and having two arms, said first arm (44a, 46a) extending each one of the two lateral ends of the...

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Bibliographische Detailangaben
1. Verfasser:	RENON GUILLAUME JEAN-CLAUDE ROBERT
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BLASTING HEATING LIGHTING LOOMS MECHANICAL ENGINEERING METHODS OF WEAVING NON-POSITIVE DISPLACEMENT PUMPS PERFORMING OPERATIONS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TEXTILES TRANSPORTING WEAPONS WEAVING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WOVEN FABRICS
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Beschreibung
Zusammenfassung:	The invention relates to a fibrous preform (40) for a turbine ring sector, obtained by three-dimensional weaving and comprising a first part (42) forming a base, two L-shaped parts forming a tab (44, 46) and having two arms, said first arm (44a, 46a) extending each one of the two lateral ends of the first part (42), and a second part (48b) connecting the two tabs (44, 46), a first strip (A) and a second strip (B) woven together forming the first arm (44a, 46a), a first portion of the body of the second arm (44b, 46b) and the first part (42) having a separating area therebetween located in the first arm (44a, 46a) and the first part (42), and a third woven strip (C) forming the second part (48b) and a second portion of the body of the second arm (44b, 46b) of each tab (44, 46).