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:
May. 04, 2021
Filed:
Mar. 22, 2017
Applicant:
Imerys Minerals Usa, Inc., Roswell, GA (US);
Inventors:
Victor Lafay, Cincinnati, OH (US);
Jeremy Tibbs, Morrow, OH (US);
Assignee:
Imerys USA, Inc., Roswell, GA (US);
Primary Examiner:
Int. Cl.
CPC ...
B22C 1/18 (2006.01); B22C 9/02 (2006.01); C04B 33/04 (2006.01); C04B 35/14 (2006.01); C04B 35/63 (2006.01); B22C 9/04 (2006.01);
U.S. Cl.
CPC ...
B22C 1/181 (2013.01); B22C 9/043 (2013.01); C04B 33/04 (2013.01); C04B 35/14 (2013.01); C04B 35/6303 (2013.01); C04B 2235/3201 (2013.01); C04B 2235/3206 (2013.01); C04B 2235/3208 (2013.01); C04B 2235/3232 (2013.01); C04B 2235/3272 (2013.01); C04B 2235/349 (2013.01); C04B 2235/3418 (2013.01); C04B 2235/72 (2013.01);
Abstract
Compositions useful for foundry processes such as green sandcasting are discussed. The compositions may include ball clay, bentonite, and a carbonaceous material. The ball clay may include leonardite and/or causticized lignite, e.g., as a portion of the natural ball clay deposit. The composition may further include sand, such that the resulting mixture may be formed into a green sand mold for use in casting molded articles. Incorporation of ball clay materials in the compositions may help to improve the quality of the casted article.