| 摘要 |
<p>A notch cylinder unit for selectively activating a plurality of impaling pins (38) such as might be used for separating and removing a strip (10) from a paper web (12). The notch cylinder unit comprises a cylinder (16) having a longitudinally extending hole and hollow support shafts (50) integrally mounted to the cylinder (16), at least two rows of removable blades (20) extending radially outwardly from and longitudinally of the cylinder, and adapted to cut a strip in the web, and a plurality of slidably mounted impaling pins (38) generally equally spaced between the rows of blades and adapted to puncture, hook and remove the strip. The notch unit cylinder unit further includes an activating means for activating or deactivating the slidably mounted impaling pins.</p> |
