Stamping apparatus for forming rod with configured ends

Details Stamping apparatus for forming rod with configured ends Stamping apparatus for forming rod with configured ends

2007-05-08

2007-05-08

Larson, Lowell A. (Department: 3725)

Metal deforming

Process

With attenuation, thickening, elongating or shortening of...

C072S356000, C029S898052

Reexamination Certificate

active

11132696

ABSTRACT:
A method comprises steps of providing bar stock, cutting the stock to form a rod-shaped blank, and stamp-forming a ball section on a first end of the blank in a transfer die. The method further includes stamp-forming an apertured flattened section on a second end of the blank to form a final product in the transfer die, and axially striking opposing ends to accurately form a length of the blank. A related transfer die apparatus includes stations for cutting and then stamp-forming a ball section on a first end of the blank, and stamp-forming an apertured flattened section on a second end of the blank to form a final product.

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