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:
Apr. 30, 1985
Filed:
Nov. 18, 1982
Applicant:
Inventors:
Joel G Feldstein, North Canton, OH (US);
James E Gutzwiller, Jr, VA, US;
Assignee:
The Babcock & Wilcox Company, New Orleans, LA (US);
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
228107 ; 228119 ; 228-25 ;
Abstract
A method of sealing leaking steam generator tubes without substantially restricting the fluid flow area by explosively welding a cylindrical sleeve over the degraded area of the tube. The sleeve has a wall thickness of approximately 0.010 to 0.040 inches and a length of about 1.5 to 4.0 inches, the weld occurs over the entire length of the sleeve.