Patent Number: 6,253,830

Title: Apparatus and method for sand core debonding and heat treating metal castings

Abstract: A process for removing sand cores from metal castings in a continuous or semi-continuous procedure utilizes a fluid bed furnace. The thermally decomposed sand cores are carried away with the fluidized solids of the furnace bed.

Inventors: Bickford; Karin Staffin (Princeton, NJ), Staffin; Herbert Kenneth (Colonia, NJ), Roaper, II; Robert Bernard (Martinsville, NJ)

Assignee: Procedyne Corp.

International Classification: B22D 29/00 (20060101); C21D 1/34 (20060101); C22F 1/04 (20060101); C21D 9/00 (20060101); C21D 1/53 (20060101); B22D 029/00 ()

Expiration Date: 07/03/2018