| 摘要 |
The present invention relates to an exhaust pipe (10) for an inner combustion engine which includes a metal inner wall (11) and a metal outer wall (12). A thermal insulator (13) made of fibers is formed between the metal inner wall (11) and the metal outer wall (12). The metal inner wall (11) and the metal outer wall are provided by an integrated casting unit (14), and the thermal insulator (13) is provided by a continuous filament (15). |
