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:
Jan. 16, 2007
Filed:
Aug. 19, 2003
Applicants:
Richard M. Herreid, Austin, MN (US);
Yuliy M. Yunovich, Austin, MN (US);
Jeremy D. Eastman, Austin, MN (US);
Inventors:
Richard M. Herreid, Austin, MN (US);
Yuliy M. Yunovich, Austin, MN (US);
Jeremy D. Eastman, Austin, MN (US);
Assignee:
Hormel Foods, LLC, Austin, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22C 7/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to A method and apparatus for making a sand core () utilizing purge air through a core box (and') to harden the binder in the sand core () proximate the ejection pins (and′). The sand core () may be removed from the core box (and′) prior to drying the binder completely thereby resulting in an improved production rate of the sand core ().