Verfahren und Vorrichtung zur Herstellung von mehrschichtigen Gipsplatten

The apparatus includes a two-stage mixer comprising a first high shear mixer 12 and a record low shear mixer 14. Plaster slurry is formed in the first mixer; a portion 38 is laid on a first facing sheet 32, a portion 40 B is laid on a second facing sheet 36, and the remainder goes to the second mixe...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: AINSLEY,JOHN, WARD,ARTHUR GEORGE TERRY, BRADSHAW,JOHN JAMES
Format: Patent
Sprache:ger
Schlagworte:
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Beschreibung
Zusammenfassung:The apparatus includes a two-stage mixer comprising a first high shear mixer 12 and a record low shear mixer 14. Plaster slurry is formed in the first mixer; a portion 38 is laid on a first facing sheet 32, a portion 40 B is laid on a second facing sheet 36, and the remainder goes to the second mixer. In the second mixer, foam is added and the formed slurry is laid on the unfoamed slurry on the first facing sheet. The unfoamed slurry on the second facing sheet is brought onto the foamed slurry to form the product.