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:
Jul. 23, 1996
Filed:
Jan. 09, 1995
Applicant:
Inventors:
Gino Palumbo, Etobicoke, CA;
Philip C Lichtenberger, Burlington, CA;
Francisco Gonzalez, Toronto, CA;
Alexander M Brennenstuhl, Compbellville, CA;
Assignee:
Ontario Hydro, Toronto, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C25D / ;
U.S. Cl.
CPC ...
205 50 ; 205 73 ; 205115 ; 205131 ; 205151 ;
Abstract
The invention is a metal tube such as a heat exchanger tube which has been treated by in situ electrodeposition to repair one or more degraded sections. The repaired metal tube section has an electroformed structural layer which has an ultrafine grain microstructure of sufficient thickness to restore the degraded section at least to its original mechanical specifications.