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:
Jun. 15, 2004
Filed:
Mar. 28, 2002
Applicant:
Inventor:
Lu Zhang, Carmel, IN (US);
Assignee:
Delphi Technologies, Inc., Troy, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/16 ; H01M 4/74 ;
U.S. Cl.
CPC ...
H01M 4/16 ; H01M 4/74 ;
Abstract
Provided for herein is a method of making an expanded metal grid, comprising: compression rolling a metal strip at a reduction ratio from about 1.25 to 1, to about 25 to 1 to produce a rolled strip, heating the rolled strip at a temperature of at least about 125° C., and at most about 325° C. for at least about 30 seconds, to produce a heat treated metal strip having an equiaxial grain structure within; and expanding the heat treated metal strip to produce the expanded metal grid.
Zhang, Lu. (2004). Expanded grid (U.S. Patent No. 6749950). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6749950
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