AUTOMOBILE WHEEL
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United States of America Patent
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N/A
Issued Date -
Dec 16, 2010
app pub date -
Nov 22, 2006
filing date -
Nov 22, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
In a disc of an automobile wheel, a plurality of hub surface rounded portions are formed at intervals on an imaginary circle provided around a hub hole and centered on an imaginary center corresponding to the center of the hub hole. The hub surface rounded portions are provided with a compressive residual stress by a compression process for work hardening. The strength of the hub surface rounded portions can thus be improved.
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