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.

Date of Patent:
Oct. 13, 1987

Filed:

Mar. 18, 1986
Applicant:
Inventor:

Walter D Finnegan, Walnut Creek, CA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22F / ;
U.S. Cl.
CPC ...
148127 ; 148437 ; 148438 ; 148439 ; 148440 ;
Abstract

Corrosion resistance in a brazed aluminum product is improved by subjecting the product to a heat treatment at a temperature of 300.degree. F. to 800.degree. F. for at least about one hour, preferably preceded by cooling the product to a temperaure below the temperature ultimately selected for the treatment, and in any event below about 550.degree. F. The useful life of brazed products such as automotive radiators is increased several times as a result of this treatment.


Find Patent Forward Citations

Finnegan, Walter. (1987). Thermal treatment of brazed products for improved corrosion resistance (U.S. Patent No. 4699674). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4699674

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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