Abstract: A method for the repair of a sandwich plate having a core structure, a top surface layer and a bottom surface layer and a plurality of honeycomb-shaped cells includes providing at least one penetrating drill hole in at least one of the top surface layer and the bottom surface layer above one of the plurality of honeycomb-shaped cells in a damaged region of the sandwich plate, injecting a stabilising material into the honeycomb-shaped cell, and filling the damaged region with a filler material.

Abstract: Provided is a fire protection device for an aircraft or spacecraft. The fire protection device is provided with a fireproof bulkhead and an adjusting device, by means of which the fireproof bulkhead can be adjusted from a ventilating position I into a screening position II. This may prevent a stream of smoke and heat from penetrating into the cabin when there is a fire underneath the fuselage.

Abstract: A fire-retarding cable conduit for electrical lines in regions potentially exposed to fire in aircraft, has a tubular base body including an interior space for accommodating the electrical lines and may include a sheath. The base body comprise a plastic foam material, which in the event of a fire is intumescent the intumescent foam may form a material that is substantially free of plastic when exposed to fire. A continuous longitudinal slit may be provided for inserting the electrical lines into the tubular base body and may use a form that protects the lines during exposure to fire.

Abstract: A fire-retarding cable conduit for electrical lines in regions potentially exposed to fire in aircraft, tubular base body includes substantially interior space for accommodating the electrical lines, where the base body includes a sheath. In one example, the base body comprises a plastic foam material which in the event of a fire is intumescent, in the event of a fire the intumescent foams forming a material that is substantially free of plastic, wherein the tubular base body and the sheath comprise a continuous longitudinal slit for inserting the electrical lines into the tubular base body. The base body including an intumescent plastic foam material, in the event of a fire, the electrical lines that extend into the interior space are protected, at least temporarily, against the effect of the flames and/or of the combustion gases. Furthermore, the electrical lines may be placed in the cable conduit through the longitudinal slit, or may be removed.

Abstract: The present invention provides a fireproof bulkhead, having a highly porous structure with an intumescent coating, the highly porous structure being formed as a reticulated foam or as a highly porous pimple or nub structure.