Patent ID: 9290865
Filing Date: 2016-03-22
CPC Classification: B29B,D03D,D10B,Y10T

Claim Text:
1. A three-dimensional (3D) woven preform comprising: a planar flange comprising interwoven warp and weft fibers or yarns and having a first major surface, the planar flange having a cut location; a first leg comprising the warp and weft fibers or yarns, the first leg extending from the first major surface of the flange, at least a portion of the first leg comprising a plurality of independently woven layers arranged perpendicular to said major surface, a cut through the first leg, a plane of the cut perpendicular to the flange and perpendicular to the leg along the cut location dividing the first leg into a first portion and a second portion, and a segment of each of the plurality of woven layers, which include at least one woven layer having warp fibers woven with weft fibers, being removed at a first location of the first portion and a second location of the second portion adjoining the cut location; wherein the first portion is at an angle to the second portion and wherein the first location and the second location at least partially overlap, and overlap region is of the same thickness as non-overlap regions of the first leg.