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:
Aug. 19, 2014
Filed:
Jul. 30, 2009
Applicants:
Daniel P. Guinan, Hobe Sound, FL (US);
James B. Philpott, Lake Worth, FL (US);
Henry K. Webster, Jupiter, FL (US);
Christopher Gettinger, Palm Beach Gardens, FL (US);
Inventors:
Daniel P. Guinan, Hobe Sound, FL (US);
James B. Philpott, Lake Worth, FL (US);
Henry K. Webster, Jupiter, FL (US);
Christopher Gettinger, Palm Beach Gardens, FL (US);
Assignee:
Alliant Techsystems Inc., Minneapolis, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 53/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Methods and apparatus of an improved cooling structure having cooling passages are provided. A method includes forming pilot holes with an electrical discharge machine (EDM) drill near a heated flow surface. The pilot holes are then shaped with a wire EDM into cooling passages having a desired shape.