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REINFORCEMENT FOR DARTED PI PREFORMS, PI PREFORMS COMPRISING THIS REINFORCEMENT AND METHOD OF REINFORCING THE PI PREFORMS
REINFORCEMENT FOR DARTED PI PREFORMS, PI PREFORMS COMPRISING THIS REINFORCEMENT AND METHOD OF REINFORCING THE PI PREFORMS
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机译:加筋的PI预成型件的增强,包含此增强的PI预成型件和PI预成型件的增强方法
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摘要
A reinforcement for a darted three-dimensional Pi or T-shaped preform, a method of making thereof and a composite structure including the reinforcement is disclosed. The reinforcement is a steered fabric having a width, a length, a first face surface and a second face surface separated by a thickness. The first face surface of the steered fabric is affixed to a darted component of the preform. The steered fabric reinforcement can be a single layer or multilayer fabric, which can be woven using a programmable take up system. Ref. Fig.
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