| 摘要 |
<p>Method for welding pipes (2, 3) to each other, in which the outer side of th e one pipe is engaged tightly with the help of first clamping means and the outer side of the other pipe is engaged tightly with the help of second clamping means, in which the first and second clamping means are kept in line and with their ends clo se to or against each other by means of a rigid frame on which both clamping means are arranged, after which welding means are operat ed in order to make a welding seam from the outside for connecting both pipes, after which the frame with the first and the seco nd clamping means and with the welding means is moved along and over the other pipe to the other end of the other pipe for repeati ng the aforementioned steps for welding the other pipe and a next pipe.</p> |
