Die with profiled base wall and its associated punch

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9393607
APP PUB NO 20140318344A1
SERIAL NO

13874022

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An assembly includes a die and a punch which cut a hole in a workpiece. The die has a base wall having outer and inner surfaces and a passageway extending therethrough, and a wall extending from the base wall. The inner surface of the base wall has at least one portion which is angled relative to a central axis of the die. The punch includes a body having a bore therethrough, a leading edge on the body which is capable of piercing and cutting a workpiece, and cutting edges on the body for cutting a hole in the workpiece. The leading edge has inclined surfaces between the bore and the piercing points which engage with the portion of the inner surface of the die.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
GREENLEE TOOLS INC4455 BOEING DRIVE ROCKFORD IL 61109

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nordlin, William F Poplar Grove, US 24 381

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