| 摘要 |
<p>The invention concerns a blow-suction box or equivalent for a paper machine or board machine, which box (20) comprises at least a pressure chamber (22) and which box (20) is placed in the vicinity of a cylinder, roll, or equivalent, from which cylinder, roll or equivalent a web and/or a wire is/are fitted to run past the box (20). In connection with the pressure chamber (22), a nozzle slot (32) has been arranged, out of which a sealing blowing is fitted to be applied towards the cylinder, roll or equivalent and/or towards the web and/or wire running on its face in order to disintegrate the boundary-layer air flow carried along with the web and/or the wire. In connection with the nozzle slot (32), an air guide (35) made of a resilient material has been fitted in order to direct the sealing blowing and to enhance the sealing further.</p> |
