Curved cap corrugated sheet

摘要: The invention is a structure for strong, lightweight corrugated sheet. sheet planar or curved and includes plurality of corrugation segments, each segment being comprised generally U-shaped 12 with part-cylindrical crown 13 cap strip 20, straight side walls 14 15 secondary corrugations 16 oriented at right angles to said walls. 20 bonded the longitudinal edge 18 extends beyond 17 intersection between high strength relative weight makes it desirable use in aircraft spacecraft.