| 摘要 |
<p>Improvement in a spray bar for metal rolling having a layered body and a plurality of spray nozzles carried thereon, the improvement comprising apparatus providing access from the rear of the spray bar to the nozzles for servicing thereof, the apparatus including for each nozzle an elongated housing fastened on the spray bar so that the former projects outwardly from the front face of the latter, an elongated member joined to the nozzle to form a cartridge nozzle which fits in the housing, and an access opening in the rear of the spray bar for inserting the cartridge nozzle into the housing or removing the same therefrom.</p> |
