The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 03, 2001
Filed:
Sep. 30, 1996
Applicant:
Inventors:
Karin Staffin Bickford, Princeton, NJ (US);
Herbert Kenneth Staffin, Colonia, NJ (US);
Robert Bernard Roaper, II, Martinsville, NJ (US);
Assignee:
Procedyne Corp., New Brunswick, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22D 2/900 ;
U.S. Cl.
CPC ...
B22D 2/900 ;
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.