B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
28/1, 139/58, 13
B32B 5/12 (2006.01) B29C 70/24 (2006.01) C04B 35/83 (2006.01) F02K 9/97 (2006.01)
Patent
CA 1108831
THREE DIMENSIONAL STRUCTURE HAVING A PREFERENTIAL DIRECTION. ABSTRACT OF THE DISCLOSURE The present invention relates to a three-dimensional structure having a preferential direction, said structure comprising a main bundle constituted by equidistant rectilinear elements parallel to the preferential direction and four connecting bundles oriented in four different directions. A first and a second connecting bundle are formed of elements disposed in rows in planes parallel to the planes defined by the rows of the main bundle, the rows of the first and of the second bundle being disposed alternately in saps between rows of elements of the main bundle. A third and a fourth connecting bundle are formed of elements disposed in rows in planes parallel to the planes defined by the alignments of opposite elements of jacent rows of the main bundle, the rows of the third and fourth bundles being disposed alternately in gaps between alignments of elements of the main bundle. The structure is suitable as reinforcement for a composite material.
328877
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