Three-dimensional woven fabric structural material and method of

Details Three-dimensional woven fabric structural material and method of Three-dimensional woven fabric structural material and method of

1998-03-24

2000-01-04

Raimund, Christopher

Plastic and nonmetallic article shaping or treating: processes

With twining, plying, braiding, or textile fabric formation

139384R, 139389, 139420A, B29D 2800

Patent

active

060106522

ABSTRACT:
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.

REFERENCES:
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patent: 5327621 (1994-07-01), Yasui et al.
patent: 5451448 (1995-09-01), Sawko et al.
patent: 5501891 (1996-03-01), Saika et al.

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