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:
Sep. 15, 1992
Filed:
Dec. 18, 1990
Applicant:
Inventors:
Robert G Aspden, Franklin Township, Westmoreland County, PA (US);
Thomas G Bengel, Plum Borough, PA (US);
Assignee:
Westinghouse Electric Corp., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ;
U.S. Cl.
CPC ...
436-6 ; 422 53 ; 73 5301 ; 73104 ;
Abstract
A test specimen for evaluating crack propagation and associated wear and corrosion on cladded piping is provided. The test specimen simulates the hairline crack conditions found on the inner cladding layer of a piping system. The test specimen is useful in analyzing the effects that a certain process fluid has on an exposed cracked cladding layer surface.