Process and device for manufacturing hollow, internally cooled valves

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11850655
APP PUB NO 20210053105A1
SERIAL NO

16957519

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Abstract

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A matrix for shaping a valve preform has a circular through opening and a reduced conical section. The reduced conical section tapers from an outer diameter to a reduced cone inner diameter, the outer diameter being greater than or equal to the initial outer diameter of the valve preform, and the matrix inner diameter being smaller than the initial outer diameter.

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Patent Owner(s)

Patent OwnerAddress
FEDERAL-MOGUL VALVETRAIN GMBH30890 BARSINGHAUSEN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bayard, Guido Dortmund, DE 17 13
Matthias, Thorsten Garbsen, DE 13 10
Wolking, Antonius Barsinghausen, DE 17 13

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