| 摘要 |
<p>A dust extraction system for a web slitter incorporating one or more slitting blades; said system comprises an extractor conduit (6) which at its proximal extremity (3) is in an area adjacent the slitting operation and which at its distal extremity incorporates a head (4) which engages with an extraction manifold (5); and an extractor fan for causing the flow of extracted dust from said proximal to said distal extremity; characterised in that said manifold incorporates an elongate channel with means (24,25) for sealing said head to said extraction manifold; whereby said head may be positioned anywhere along said channel.</p> |
