Friction welded shaft
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United States of America Patent
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-
Mar 14, 2000
Grant Date -
N/A
app pub date -
Feb 23, 1998
filing date -
Sep 7, 1995
priority date (Note) -
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status (Latency Note)
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Abstract
Shaft, for the transmission of torque, comprising first and second engagement elements. The shaft is divided in its longitudinal direction into a first and second section, wherein the first and second sections are concentrically joined to each other by a friction-welded joint. The first section is case-hardened and comprises the first engagement element, and the second section is tough-hardened and comprises the second engagement element which is induction-hardened and placed on or in a peripheral surface on the second section which lies at an end facing away from the first section.
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