| 摘要 |
<p>The present invention refers to a welding wire or core for electrical arc welding process, characterized by consisting of two sections joined together in the contact region and wherein the sections do not have edges. The invention refers also to an electrical arc welding process, characterized by using a welding wire or core consisting of two sections joined together in the contact region and wherein the sections do not have edges. The invention refers also to an electrical arc welding process characterized by using two welding wires from the same wire spool or from different spools, provided that they are fed parallel and tangentially to each other at the contact tip.</p> |
