Ultra high strength screw having a high yield ratio

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United States of America Patent

PATENT NO 9145910
APP PUB NO 20130129446A1
SERIAL NO

13678891

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Abstract

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A high strength screw (2), especially an ultra high strength screw (2) having a tensile strength Rm of at least 1400 N/mm2, having a bainite structure has a yield ratio of at least 0.95. The screw (2) belongs to the new strength classes 14.10, 15.10, 16.10 or 17.10. The high yield ratio is realized by heat treatment of the screw (2).

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Patent Owner(s)

Patent OwnerAddress
KAMAX HOLDING GMBH & CO KG35315 HOMBERG (OHM)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dieterle, Horst Weimar, DE 8 86
Merschrod, Uwe Schwalmtal-Storndorf, DE 1 4

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