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:
Nov. 15, 2011
Filed:
Sep. 29, 2010
Applicants:
Robert Hansbrough Carter, Jarrettsville, MD (US);
William Steinle Derosset, Aberdeen, MD (US);
Inventors:
Robert Hansbrough Carter, Jarrettsville, MD (US);
William Steinle DeRosset, Aberdeen, MD (US);
Assignee:
The United States of America as represented by the Secretary of the Army, Washington, DC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F41C 27/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An inventive process is provided for creating residual compressive stress at a surface of a structure without resort to custom mandrels and dangerous high-pressure fluids. The inventive process yields autofrettage of a structure such as a tube, gun barrel and the like, the structure having an outer surface and an inner surface.