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:
Dec. 16, 2003

Filed:

Apr. 23, 2002
Applicant:
Inventor:

Terry Joseph Hunt, Williamsville, NY (US);

Assignee:

Delphi Technologies, Inc., Troy, MI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 5/304 ;
U.S. Cl.
CPC ...
B21D 5/304 ;
Abstract

An improved air center form roll for use in combination with a like form roll to produce an accordion-like folded fin for a heat exchanger core, the form roll being of the type comprising a plurality of form discs abutted one to the other and having a plurality of star-like teeth thereabout. Points of the star-like teeth define a major diameter of the form roll and valleys between adjacent ones of the star-like teeth define a minor diameter of the form roll. The form roll further includes at least one stripper disc having no teeth therearound and interposed between at least two of the plurality of form discs wherein the stripper disc has a diameter less than the minor diameter of the form roll. The improvement to the form roll comprises a modified disc having a plurality of modified star-like teeth thereabout. The modified disc is interposed at each abutment between the stripper disc and one of the abutting form discs. The modified disc further having a major diameter defined by points of the modified star-like teeth, the major diameter of the modified disc being smaller than the major diameter of the plurality of form discs.


Find Patent Forward Citations

Loading…