| 摘要 |
An apparatus for guiding a length of web material in a floating manner which comprises a nozzle frame means with slit nozzles extending laterally transversely to the direction of motion of the length of material and having annular nozzles disposed between the slit nozzles for directing a blown medium against the web material. A guide vane grille is arranged along the axis of the nozzle frame means for the supplied blowing medium and a diffuser joins the guide-vane grill to create an exhaust impedence to delay the blowing medium.
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