| 摘要 |
Method for making weld connectors for weld joints between pipes made from various metallic materials. The invention is characterized in that in a first stage a compound pipe 1 is made from two pipes 2,3 of the respective material by means of explosion welding, in that in a later stage a section of the outer pipe 3 of the compound pipe is taken away at the one end of the compound pipe and in that a section of the inner pipe 2 of the compound pipe is taken away at the other end of the compound pipe and in that the compound pipe is given a uniform internal diameter by means of the explosion forming. <IMAGE> |
