| 摘要 |
<p>A welding method and apparatus for joining metal structures, which apparatus comprises a tubular case (1), inside which there is a welding electrode (3) connected to a power supply and placed on top of the seam to be welded. The apparatus includes a burning charge (2) which supports the electrode (3) located within the protecting support case (1), and the electrode is arranged to be pressed against the seam to be welded as the burning of the charge proceeds.</p> |
