PURPOSE: To provide a honeycomb panel with curved surface which can have the curved surface of an arbitrary curvature and is contrived to improve rigidity.
CONSTITUTION: A honeycomb panel with curved surface comprises a first surface plate 1 having a secondary curved surface as in the form of a curved line, a second surface plate 2 having a concentric secondary curved surface with an appropriate difference in radius of curvature between itself and the first surface plate 1 and a honeycomb core 3 interposed between the first and second surface plates 1 and 2. The taper-like ribs 9 spreading out from the first surface plate 1 to the second surface plate 2 are made in a bent form on the joined wall 7 in the curved line direction of the first and second surface plates 1 and 2 at the honeycome core 3. In this way the honeycomb core 3 having an arbitrary curvature and the first and second surface plates 1 and 2 having the secondary curved surfaces matching with the curvature of the honeycomb core 3 can be brought into close contact with one another and joined together.
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SUGIYAMA KEIICHI
IKEDA SHUICHI
NIKKEI TECHNO RES CO LTD