DYSA FOER SVAEVTORK

Nozzle apparatus for airborne paper web dryers of the non-impingement or underpressure type including a blow box member defined by top web supporting and bottom wall portions and back and front wall portions. The front and top supporting wall portions are interconnected by a curved guide surface and...

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Bibliographische Detailangaben
1. Verfasser:	LINDSTROEM YNGVE
Format:	Patent
Sprache:	fin
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ATOMISING APPARATUS BLASTING BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS ORWINDOWS DRYING DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM FIXED CONSTRUCTIONS HEATING KEYS LIGHTING LOCKS MECHANICAL ENGINEERING METHODS OF PRODUCING PAPER THEREON NOZZLES PAPER-MAKING PAPER-MAKING MACHINES PERFORMING OPERATIONS PRODUCTION OF CELLULOSE SAFES SPRAYING APPARATUS SPRAYING OR ATOMISING IN GENERAL TEXTILES TRANSPORTING WEAPONS WINDOW OR DOOR FITTINGS
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Beschreibung
Zusammenfassung:	Nozzle apparatus for airborne paper web dryers of the non-impingement or underpressure type including a blow box member defined by top web supporting and bottom wall portions and back and front wall portions. The front and top supporting wall portions are interconnected by a curved guide surface and an upwardly directed nozzle is provided on the front wall portion spaced below the entry edge plane of the guide surface. The relative values of the width of the nozzle gap and the radius of curvature of the curved guide surface are such that the gas flow exiting from the nozzle follows a portion of the guide surface and departs therefrom prior to the exit edge plane of the guide surface. The upper surface of the top supporting wall of the blow box defines a small angle with the running plane of the web.