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. 10, 2009
Filed:
Dec. 11, 2006
Hsin-pang Wang, Rexford, NY (US);
Marc Thomas Edgar, Glenmont, NY (US);
John Thomas Leman, Niskayuna, NY (US);
Ching-pang Lee, Cincinnati, OH (US);
Eric Alan Estill, Morrow, OH (US);
Hsin-Pang Wang, Rexford, NY (US);
Marc Thomas Edgar, Glenmont, NY (US);
John Thomas Leman, Niskayuna, NY (US);
Ching-Pang Lee, Cincinnati, OH (US);
Eric Alan Estill, Morrow, OH (US);
General Electric Company, Niskayuna, NY (US);
Abstract
Disclosed herein is a method comprising injecting into a thin wall disposable core die a slurry having a viscosity of about 1 to about 1,000 Pascal-seconds at room temperature when tested at a shear rate of up to 70 secondsand a flow index of less than 0.6 at a pressure of up to about 7 kilograms-force per square centimeter; wherein the thin wall disposable core die has an average wall thickness of about 1.5 to about 10 millimeters; curing the slurry to form a cured ceramic core; removing the thin wall disposable core die from the cured ceramic core; and firing the cured ceramic core to form a solidified ceramic core.