| 摘要 |
<p>The attachment comprises a spray bar 18 for mounting adjacent and parallel to a lute blade 12 and which is connected to a container 20 for holding an organic solvent. A feed line 22 from the container may connect to the centre of the spray bar and may also comprise a valve 24. The container may be made from a deformable plastics material or include a piston in order to subject the solvent to increased pressure. Alternatively the spray bar may have apertures which are spaced and dimensioned in order to provide a continuous drip feed under gravity. Also claimed is a lute including the attachment. The spray bar is preferably mounted above the blade, the blade preferably having a rounded upper edge 19.</p> |
