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:
Feb. 16, 2010
Filed:
Aug. 18, 2006
Applicants:
Todd Snyder, Logan, UT (US);
David Salee, Spokane, WA (US);
Steve Anderson, Farmington, WA (US);
Brett Thielman, Spokane, WA (US);
Inventors:
Todd Snyder, Logan, UT (US);
David Salee, Spokane, WA (US);
Steve Anderson, Farmington, WA (US);
Brett Thielman, Spokane, WA (US);
Assignee:
Wagstaff, Inc., Spokane, WA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22D 11/07 (2006.01);
U.S. Cl.
CPC ...
Abstract
A gas flow control system for molten metal molds with permeable perimeter walls, wherein an approximately constant gas mass flow is maintained in individual molds and approximately equal gas mass flows are maintained in molds on the same mold table. A PLC is utilized in combination with a gas mass flow controller to continually monitor and maintain the approximately desired mass flow of gas to the mold cavities.