Byggelement inrättat att bilda åtminstone en del av ett hölje hos ett rälsgående fordons vagnskorg

摘要

The present invention relates to a structural element (2) arranged to form at least a part of a shell of a car body of a railway vehicle. The structural element (2) comprises an external layer (5) comprising a metal material, an intermediate layer (6) arranged to form a thermal insulating layer and internal layer (7). The intermediate layer (6) is fixedly connected to the external layer (5) and internal layer (7) so that a structural element (2) in one piece is formed. The structural element (2) is arranged to constitute a supporting element of said car body.