High-strength erosion electrode

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United States of America Patent

PATENT NO 6448527
SERIAL NO

09202221

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Abstract

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The invention concerns a high-strength erosion electrode having good electrical conductivity. The erosion electrode is made up of a steel core, an intermediate layer of copper or a copper-containing alloy, and an outer layer containing at least 40 % zinc. The steel core has a patented structure which contains between 0.6 and 1 wt. % carbon and occupies an area corresponding to between 50 and 75 % of the erosion electrode diameter, the intermediate layer occupying an area of between 5 and 40 % of the total diameter, the outer layer occupying an area of between 10 and 30 %, and the zinc content of the outer layer being between 40 and 60 wt. %.

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Patent Owner(s)

Patent OwnerAddress
BERKENHOFF GMBH35452 HEUCHELHEIM

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Barthel, Bernd Herborn, DE 15 59
Groos, Heinrich Herborn, DE 15 104
Hermanni, Hans Sinn-Fleisbach, DE 10 69
Tauber, Klaus Biebertal, DE 10 7

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