Patent ID: 6754941
Filing Date: 2004-06-29
Classification: B28B,Y10T

Abstract:
An apparatus for pulling a molding ring off a neck of a concrete tubular workpiece formed by the molding ring, which comprises(a) two clamping jaws positioned diametrically opposite each other with respect to a vertical axis of the tubular workpiece, the clamping jaws overlapping the molding ring from above and engaging the workpiece from the outside below the molding ring, (b) a supporting structure displaceably supporting the clamping jaws, (c) a lifting device arranged on the supporting structure for two pull off catches arranged diametrically opposite each other with respect to the molding ring, the pull-off catches subtending an undercut of the molding ring, and (d) carriages for the clamping jaws and pull-off catches, the carriages being adjustable in opposite directions along coaxial guides.