The invention relates to a fire-protected floor structure of a car body, containing a sandwich plate (5) composed of a metal top layer (10) and a metal base layer (20) and a core layer (30) lying therebetween, and containing metal edge profile elements (40). The core layer (30) is completely enclosed by the metal top and base layers (10, 20) and the edge profile elements (40). The floor structure has a mineral coolant layer (60) on the side of base layer (20) facing away from the core layer (30), and the side of the mineral coolant layer (60) facing away from the core layer (30) is covered by an intumescent layer (70). The core layer (30) consists of a structural foam, more particularly of PET foam, or of balsa wood or contains at least 95 wt.% PET or balsa wood.
BRANDGESCHÜTZTE BODENSTRUKTUR EINES WAGENKASTENS IN LEICHTBAUWEISE
FIRE-PROTECTED FLOOR STRUCTURE OF A CAR BODY IN A LIGHTWEIGHT DESIGN
STRUCTURE DE PLANCHER PROTÉGÉE CONTRE LE FEU D'UN CORPS DE VOITURE DANS UNE CONCEPTION LÉGÈRE
2024-07-10
Patent
Elektronische Ressource
Deutsch
IPC: | B61D Einzelheiten oder Arten des Wagenaufbaus von Eisenbahnfahrzeugen , BODY DETAILS OR KINDS OF RAILWAY VEHICLES |
BRANDGESCHÜTZTE BODENSTRUKTUR EINES WAGENKASTENS IN LEICHTBAUWEISE
Europäisches Patentamt | 2023
|BRANDGESCHÜTZTE BODENSTRUKTUR EINES WAGENKASTENS IN LEICHTBAUWEISE
Europäisches Patentamt | 2023
|