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:
Dec. 31, 1996
Filed:
Nov. 07, 1995
Applicant:
Inventors:
Sabatino A Bianchi, Bloomfield Hills, MI (US);
Richard P Stoynoff, Woodhaven, MI (US);
Assignee:
Livernois Research & Development Company, Dearborn, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D / ; B21D / ;
U.S. Cl.
CPC ...
72186 ; 72462 ; 76DI / ;
Abstract
A method and apparatus for forming a strip of fins with louvers comprising providing fin forming rolls comprising stacked carbide plates having rolling and cutting edges forming fins with louvers, and directing a strip of clad aluminum between an opposed pair of fin forming rolls. The carbide plates are preferably made of carbide containing tungsten, cobalt and carbon, wherein the major constituent is tungsten.