FIELD: building constructions; multi-layer panels with light filler made from corrugated sheet material; aircraft manufacture; shipbuilding; construction engineering.
SUBSTANCE: proposed multi-layer panel has skins connected by means of composite adhesive with zigzag corrugated filler placed in between them. Filler has alternating projections and recesses. Flat inclined faces are interconnected over zigzag lines of projections and recesses by curvilinear sections whose radius is no lesser than thickness of filler material; stitched perforations are made along them for penetration of adhesive in the course of assembly of filler with skins.
EFFECT: enhanced weight efficiency and strength; facilitated procedure.
4 dwg
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