| 摘要 |
<p>Torch (1) comprising: a) a nozzle (3) having a bore (5) extending therethrough, the bore comprising a first end portion (7), a second end portion (9), and an arcuate middle portion (13) defining an arcuate tube surface, b) means for providing a flame (50) flowing from the first end portion of the bore towards the second end portion of the bore, so that the flame impinges upon the arcuate tube surface, wherein the arcuate tube surface comprises silicon carbide.</p> |
