B - Operations – Transporting – 22 – C
Patent
B - Operations, Transporting
22
C
22/10, 22/158
B22C 13/00 (2006.01) B22C 15/30 (2006.01) B22C 19/00 (2006.01)
Patent
CA 1054775
ABSTRACT OF THE DISCLOSURE In the production of a foundry mold utilizing mold forming apparatus which includes a pattern device, a molding box arranged on the pattern device and a frame attached to the molding box, a surplus amount of molding sand is initially filled in over the pattern device in excess of the amount required for the production of the mold and during the production operation the excess sand is stripped off by profile stripping means which are moved relative to the molding box to strip the excess sand along a profile which is dependent upon the configuration of the pattern device. In one aspect of the invention a single profile stripper may be used and in another aspect a plurality of strippers having differring profiles may be employed. In other aspects of the invention different mechanisms are applied to move the stripping means relative to the molding sand by movement of the pattern device either along a linear path or through a circular path. The stripping means may be formed as stripper plates having an arcuate configuration or they may comprise flat planar profile strippers.
240564
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