| 摘要 |
A cutting head constituted by a cutting nozzle (2) with a cutting oxygen conduit (6) and with radial ribs (11) at the outer periphery, the whole being force-fitted in a skirt (3) thus forming conduits for a oxy-combustible mixture (37), each delimited by two adjacent ribs. …<??>Such a nozzle which permits better thermal dissipation can be produced with reduced dimensions. …<IMAGE>… |
