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:
Apr. 27, 2004
Filed:
Oct. 23, 2001
Applicant:
Inventor:
Doug Brenneke, Yoder, IN (US);
Assignee:
L.H. Carbide Corporation, Fort Wayne, IN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B26F 1/14 ;
U.S. Cl.
CPC ...
B26F 1/14 ;
Abstract
An apparatus for providing an improved two-piece punch construction. The two-piece punch construction includes a supporting member and a punch body. The supporting member includes an aperture in which the punch body is accurately located. The supporting member further includes a supporting surface for supporting the punch body during a punching operation. The punch is constructed by providing at least one through-hole in the supporting member which receives a WEDM wire. The aperture for locating the punch body in the supporting member is made with a WEDM process. The supporting member and punch body are secured together by brazing material.