Self-attaching fastener and panel assembly, method of installation and die member

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8230571
APP PUB NO 20080124185A1
SERIAL NO

12027789

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A self-attaching fastener and panel assembly wherein the free open end of the tubular barrel portion is coined, collapsed axially, flattened and deformed radially inwardly and outwardly and axially against a panel surrounding the panel opening. The method of installation includes driving the free end of the tubular barrel portion against a substantially planar die surface, deforming an end portion radially, then collapsing an intermediate portion over the radially deformed end portion, flattening the end portion, substantially thickening the tubular barrel portion and forming an annular surface engaging and supporting the panel surrounding the opening. The die member includes an annular moat surrounding a central die post and a planar die surface extending generally perpendicular to the axis of the die button.

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Patent Owner(s)

Patent OwnerAddress
PENN AUTOMOTIVE INC5331 DIXIE HWY WATERFORD MI 48329

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kovac, Zdravko Chesterfield, US 17 364

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