Dual sand reclaimer

Abstract From the Canadian patent

A dual sand reclaimer comprising a drum formed of an inner and outer cylinder, substantially along its length the, drum being formed into three segments an entrance segment, wherein the castings are initially deposited for removal of its green mold sand, the inner cylinder thereat being perforated to provide for separation of the sand from its castings a middle, segment wherein the castings and internally arranged mold sand are subjected to abrasive members that remove any core sand and a third or discharge segment from which the castings exit and having an inner cylinder thereat perforated to provide for the passage of the core sand and abrasive members therethrough with the sand being …