| 摘要 |
An arc welding torch comprising a rod guide, by which a welding rod is supported so as to slide, an electrifier element, with which the rod is in sliding contact and from which it receives current, a layer of electrically insulating material which surrounds the rod guide and/or the electrifier element, and a protective sheath, made of abrasion-resistant material, and fitted onto at least one section of the layer of electrically insulating material, close to a free, welding end of the torch. |
