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:
Mar. 11, 1986
Filed:
May. 21, 1984
Applicant:
Inventors:
Andrew J Anthony, Tariffville, CT (US);
Richard H Young, Canton, CT (US);
Assignee:
Combustion Engineering, Inc., Windsor, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01M / ;
U.S. Cl.
CPC ...
73 4 / ; 73 46 ; 73 495 ;
Abstract
Repaired fluid conveying tubes are tested for leaks by isolating the repaired region from the remainder of the tube and then pressurizing the isolated region with a suitable gas. The isolation is accomplished by axial compression of one or a pair of seals which expand radially when subjected to axial force.