초록

A woven preform for a reinforced composite material which may be woven flat and folded into shape with the fibers at the fold being so woven so as to compensate for folding.

대표청구항 ▼

1. A two dimensional woven fabric for forming a structure having a three dimensional shape, said fabric comprising:a first portion of the fabric; a second portion of the fabric foldable with respect to the first portion; a plurality of yarns interconnecting the first and second portions; a yarn path

1. A two dimensional woven fabric for forming a structure having a three dimensional shape, said fabric comprising:a first portion of the fabric; a second portion of the fabric foldable with respect to the first portion; a plurality of yarns interconnecting the first and second portions; a yarn path defined by a yarn passing from said first portion to said second portion, said yarn path having a portion of yam which is woven shorter than the path and a portion of yarn woven longer than the path such that upon folding of the first portion with respect to the second portion causes the portion of yarn which is woven shorter to draw in that portion of the yarn woven longer along the yarn path so as to compensate for folding.