Sintered gear element featuring locally selective surface compression

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8402659
APP PUB NO 20080166579A1
SERIAL NO

11953137

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Abstract

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A method for producing an at least partially surface-densified metallic toothed element comprising a densified sintering material, in order to improve a strength profile, a preform of the toothed element being produced with a locally selective oversize profile relative to a final size of the toothed element and being rolled to the final size by means of at least one rolling die, the toothed element being densified in locally varied manner at least in the region of at least one flank and/or one root of a tooth of the toothed element to produce a densified outer layer.

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Patent Owner(s)

Patent OwnerAddress
GKN SINTER METALS HOLDING GMBH42477 RADEVORMWALD

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kotthoff, Gerhard Remscheid, DE 9 52

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