FIBER STRUCTURE BODY, FIBER-REINFORCED COMPOSITE MATERIAL, AND METHOD OF PRODUCING FIBER STRUCTURE BODY
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United States of America Patent
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Aug 5, 2021
app pub date -
Apr 5, 2019
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Apr 27, 2018
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Abstract
A fiber structure body is a multi-layered fabric. The multi-layered fabric includes first yarn layers including first yarns, and second yarn layers including second yarns that intersect with the first yarns. The first yarn layers and the second yarn layers are stacked on top of each other and bound by binder yarns. The fiber structure body includes a main body in which all yarn layers are bounded by the binder yarns, and a branch portion continuous with the main body and including a first formation and a second formation. A main axis of each of closest second yarns closest to a branching boundary line among the second yarns of the main body is parallel to the branching boundary line. The branching boundary line extends along a location from which the first formation and the second formation of the branch portion start branching out.
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