Method of making a vehicle ceiling, vehicle ceiling and vehicle with that ceiling

摘要

The roof (1) is made from curved transverse members (2) and straight lengthwise members (3), joined together to form a grid supporting structure for a covering panel of sheet material (5). The grid members are made from a strip material, cut out by laser and joined together by interlocking notches (6) and welded. The grid members and roof panel can be made from any sheet material such as iron, steel, aluminium , alloy or plastic.