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Three-dimensional woven fabric structural material and method of producing same
Three-dimensional woven fabric structural material and method of producing same
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机译:三维机织织物结构材料及其生产方法
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摘要
A three-dimensional woven fabric structure is integrally woven by a multi-ply weave having three or more plies, and includes a form defining a plurality of bag portions extending parallel with one another, and arranged in a plurality of rows. The bag portions in each row are defined by two woven fabric plies, the intersection of which along a crossing locus creates a bound portion between adjacent bag portions. Cylindrical bag portions in adjacent rows have a woven fabric ply in common and are interconnected at staggered positions. The fabric structure is creased at midpoints between bound portions whereby the bag portions are set to retain a hollow three-dimensional form, but may be folded flat into a juxtaposed state by application of pressure. A method is described for manufacturing the fabric structure wherein, during a weaving operation, the bag portions are interconnected in rows, and auxiliary yarns are inserted at opposite ends in a woven width direction and/or at required intervals therealong, without being woven into the fabric plies. The bag portions may then be set into juxtaposed position by a tightening of the auxiliary yarns, wherein a creasing treatment or heat setting is performed.
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