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. 08, 2025
Filed:
Jul. 19, 2019
Applicant:
Imerys Usa, Inc., Roswell, GA (US);
Inventor:
Robert C. Steele, Ponte Vedra Beach, FL (US);
Assignee:
Imerys USA, Inc., Roswell, GA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22C 5/18 (2006.01); B03B 7/00 (2006.01); B07B 11/02 (2006.01); B22C 1/18 (2006.01);
U.S. Cl.
CPC ...
B22C 5/185 (2013.01); B03B 7/00 (2013.01); B07B 11/02 (2013.01); B22C 1/181 (2013.01);
Abstract
Both a hydraulic (wet) separation process and a dry separation process are used in combination to recover sand, bentonite clay and organics from foundry waste created during operation of a green sand foundry. These recovered ingredients are then recycled for reuse in making additional green sand molds.