Method for producing concrete pipes

(10) WO 2017/063010 Al

(22) 13.10.2016

(43) 20.04.2017

(57) Es wird ein Verfahren zum Herstellen von Betonrohren in einer stehenden Gießform mit einem Formraum (4) zwischen einem Kern (2) und einem der Länge nach geteilten Mantel (3) und mit den Formraum (4) unten und oben abschließenden Formmuffen (5, 9) beschrieben, wobei fließfähiger Beton in den Formraum (4) eingefüllt und der Rohrkörper (7) nach einem Abbinden des Betons durch ein Öffnen des Mantels (3) entformt wird. Um Betonrohre hoher Qualität gießen zu können, wird vorgeschlagen, dass der fließfähige Beton bei abgenommener oberer...

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