FIELD: transport.
SUBSTANCE: invention relates to honeycomb sandwiches. Sandwich panel honeycomb is composed by 3D structure of composite regular hollow hexagon prisms having common face with every adjacent face. Sandwich panel honeycomb is composed by of composite regular hollow triangular or tetrahedral or hexagon prisms with walls reinforced by unidirectional fibres and composed by crossed bards. In compliance with second version, sandwich panel honeycomb is composed by 3D structure of composite regular hollow hexagon prisms having common face with every adjacent face. Walls of hexagon prisms are made of bars each directed at preset angle to its base, with one bar crossing horizontally the prism face centre.
EFFECT: decreased weight, better performances, longer life.
3 cl, 12 dwg
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