Integral node tubular spaceframe
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United States of America Patent
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Sep 21, 2004
Grant Date -
N/A
app pub date -
Apr 10, 2003
filing date -
Apr 10, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Methods and apparatus are provided for a tubular composite structure with particular application to the design and assembly of space vehicles. The apparatus, designated herein as an X-strut, comprises alternately crossing tow-placed layers of parallel strands of a composite material, to form top and bottom intersecting faces. Alternately crossing strand layers are built up from the bottom faces to form the side walls of the tubular composite structure. The top and bottom faces and the side walls are configured to form intersecting tubular members in an X-shape. The layers of strands run continuously through the intersecting tubular members to form an integral joint, without the need for adhesive bonding or mechanical fasteners.
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