B - Operations – Transporting – 02 – C
Patent
B - Operations, Transporting
02
C
241/142, 22/190
B02C 23/08 (2006.01) B22C 5/10 (2006.01) B22C 5/18 (2006.01)
Patent
CA 2030568
A method for regenerating foundry old sand is proposed, by which method combined impact and shearing stress of the sand grains occurs with simultaneous dust removal. The dust removed by suction contains nonburned bentonite and carbon parts which can be re-used in the same way as the regenerated material or core sand. Environmental pollution and quantities for dumping are drastically reduced.
Satmer Franz
Wilhelm Ludwig
Georg Fischer Ag
Robic
LandOfFree
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