Resistance welding fastener, apparatus and methods

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United States of America

PATENT NO 11984691
SERIAL NO

17519905

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Abstract

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An apparatus and method for fastening dissimilar materials like steel, plastic and aluminum. A resistance welding fastener having multiple layers may be used with or without a sealant. The fastener may be used to form an aluminum covered steel laminate via a hemming pattern of attachment. The fastener may have a solid shaft or have an extended reach and have features for interacting with the welding electrode. A variety of electrode tips may be employed to cooperate with the fastener.

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Patent Owner(s)

Patent OwnerAddress
HOWMET AEROSPACE INC201 ISABELLA STREET PITTSBURGH PA 15212-5858

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bergstrom, Daniel Sarver, US 24 265
Spinella, Donald J Greensburg, US 33 368

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