Patent ID: 8642168
Filing Date: 2014-02-04
Classification: B29C,B32B,E04C,Y10T

Abstract:
1. A method of fabricating comprising: inserting a plurality of pins into a core, the plurality of pins arranged in groups forming a truss, the plurality of pins including medial portions within the core and distal portions respectively extending through a first surface of the core and a second surface of the core, the second surface opposite the first surface, the plurality of pins further comprising first ends and second ends; and arranging, as part of inserting, the plurality of pins such that the groups comprise subsets of three or more pins of the plurality of pins that are arranged in a crossing pattern at about corresponding first ends, are spaced apart at about the corresponding first ends, are substantially circumferentially spaced equally from each other at about the corresponding first ends, and each pin of the three or more pins overlaps at least one first other pin of the three or more pins and is overlapped by at least one second other pin of the three or more pins.