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. 13, 2015
Filed:
Mar. 15, 2013
Applicant:
Attila P. Farkas, Milford, NH (US);
Inventor:
Attila P. Farkas, Milford, NH (US);
Assignee:
Metal Casting Technology, Inc., Milford, NH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22C 9/04 (2006.01); B22C 7/02 (2006.01);
U.S. Cl.
CPC ...
B22C 9/04 (2013.01); B22C 7/02 (2013.01); B22C 9/043 (2013.01);
Abstract
A method of making a bonded refractory mold is disclosed. The method includes forming a fugitive pattern including a thermally removable material. The method also includes forming a refractory mold including a mold wall, the mold wall including a refractory material and defining a sprue, a gate and a mold cavity, the gate having a gate inlet opening into the sprue and a gate outlet opening into the mold cavity, the mold defined by the fugitive pattern. The method further includes forming a gas vent that extends through the mold wall. The method also includes covering the gas vent with a gas permeable cover.