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:
Oct. 26, 2010
Filed:
May. 21, 2008
Applicants:
Anthony P. Parker, Ringmer, GB;
Edward Troiano, Schenectady, NY (US);
John H. Underwood, Salem, NY (US);
Inventors:
Anthony P. Parker, Ringmer, GB;
Edward Troiano, Schenectady, NY (US);
John H. Underwood, Salem, NY (US);
Assignee:
The United States of America as represented by the Secretary of the Army, Washington, DC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 26/02 (2006.01); B23P 11/02 (2006.01); B21D 39/20 (2006.01); B21D 22/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A manufacturing method includes a first step of performing swage autofrettage on an object; a second step of heat soaking the object; and a third step of performing hydraulic autofrettage on the object. The second and third steps may be repeated one or more times. A final step may be heat soaking the object. The object may be, for example, a pressure vessel or gun barrel.