| 摘要 |
An aircraft structure having a cargo or luggage compartment for the storage of luggage containers which compartment has strengthened faces made from and/or reinforced by blast resistant and absorbant material the said strengthened faces including at least the ceiling and the floor of the said compartment. The material is a multi-layer laminated sheet. In Fig 1 an aluminium or aluminium alloy honeycomb 21 filled with plastics foam 23 is bonded between laminated sheets 25, 27 each comprising alternate layers of fibre reinforced composite, e.g. with polyaramid or carbon fibre, and aluminium. Either material may form the outer layers. In Fig 2 layers 53 of rigid reticulated plastics foam alternate with layers 55 of glass fibre reinforced plastics. Layers of aluminium foil are situated at the first six interfaces from the outer surface S on which the blast will be incident. All the layers 25, 27 or 55 have holes 29 or 57 therethrough. <IMAGE> |
