Patent ID: 8745958
Filing Date: 2014-06-10
Classification: B21F,E04B,E04C,Y10T

Abstract:
1. Manufacturing method of three-dimensional porous light-weight structures including Octet truss structure, wherein the formation of the Octet truss structure comprises: (a) forming plural net-shaped planes, each of which has plural rectangular meshes by arranging plural helical wires in parallel in first and second axial directions on one plane; (b) arranging the plural net-shaped planes at a designated interval in parallel in a direction perpendicular to the planes; and (c) forming the Octet truss structure by respectively inserting plural helical wires in third to sixth directions into the intersections of the helical wires in the first and second axial directions arranged on the plural planes, wherein: the helical wires in the first and second axial directions have an azimuth angle of 90 degrees with respect to each other; and the helical wires in the third to sixth axial directions have an azimuth angle of 60 degrees with respect to the helical wires in the two directions arranged at the intersections, and have an azimuth angle of 45 degrees with a plane formed by a first axis and a second axis.