MACHINE FOR PRODUCING BUILDING-PANELS

A method and machine for fabricating building boards or the like, especially asbestos cement plates, contains a turbulence device having at least one channel with a step-shaped widened portion. The channel either has the form of a slot extending over the entire width of the machine or there are prov...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: B. ROSENBERG, O. KUMMER
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A method and machine for fabricating building boards or the like, especially asbestos cement plates, contains a turbulence device having at least one channel with a step-shaped widened portion. The channel either has the form of a slot extending over the entire width of the machine or there are provided a series of cylindrical bores forming essentially parallel channels. An intermediate chamber or compartment merges with the channel or channels. Leading from the intermediate chamber is an outlet gap to the upper surface of a felt band.