| 摘要 |
<p>The present invention relates to a nozzle (1, 100, 200, 300, 400) for welding or cutting devices (500), comprising a hollow main body (2) in which it is possible to identify a first end (3) suitable for coupling with a part of the device. The first end (3) is elastic and comprises a portion (3b, 3 c) which winds around the longitudinal axis (7) of the nozzle (1), the said portion comprising expansion slits. The invention furthermore concerns a method for the production thereof.</p> |
