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:
Feb. 14, 2012

Filed:

Feb. 12, 2009
Applicants:

Richard J. Ernst, San Diego, CA (US);

John P. Grimm, Santee, CA (US);

Inventors:

Richard J. Ernst, San Diego, CA (US);

John P. Grimm, Santee, CA (US);

Assignee:

Illinois Tool Works Inc., Glenview, IL (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C21D 1/42 (2006.01);
U.S. Cl.
CPC ...
Abstract

A holder having a baseplate with a tang extending rearwardly therefrom, a plurality of openings for receiving fasteners and a plurality of legs extending from the baseplate, the tang being heat treated or work hardened to harden the tang and facilitate its detachment for non-friable substrate applications. Work hardening may be accomplished, for example, by heating and quenching the tang to increase both its hardness and its brittleness to a level that allows the tang to be broken off with an impact force but not when inserted into a friable substrate so that the holder retains greater functionality.


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