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:
Jul. 12, 2016
Filed:
Dec. 11, 2014
Applicant:
General Electric Company, Schenectady, NY (US);
Inventor:
John Thomas Leman, Schenectady, NY (US);
Assignee:
General Electric Company, Niskayuna, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B28B 7/36 (2006.01); B28B 7/34 (2006.01); B28B 7/38 (2006.01); B28B 7/28 (2006.01); B28B 1/24 (2006.01);
U.S. Cl.
CPC ...
B28B 7/36 (2013.01); B28B 1/24 (2013.01); B28B 7/28 (2013.01); B28B 7/348 (2013.01); B28B 7/386 (2013.01);
Abstract
A method of preparing a mold to form an article is provided. In one embodiment, the method includes preparing a quantity of fluid including lightweight oil, submerging the mold in the quantity of fluid such that the fluid at least partially enters internal cavities of the mold, and filling asperities defined in walls of the mold. The filling includes creating a negative pressure in the mold while submerged in the quantity of fluid, and removing substantially all air from the internal cavities.