PROCESS FOR MANUFACTURING A LIGHT ALLOY WHEEL RIM AND WHEEL RIM RESULTING THEREFROM
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United States of America Patent
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app pub date -
Oct 27, 2011
filing date -
Apr 23, 2004
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Abandoned
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Abstract
Process for manufacturing a wheel rim in light alloy including the following operations: providing a rough wheel rim in light alloy, comprising a wheel disc and an annular portion, the annular portion including a first and a second bead defining a drop well having a first profile; processing the rough wheel rim, modifying the first profile in order to obtain a second profile being of a lower thickness than the first profile, at least at an intermediate portion of the drop well, characterised by including a finishing operation of a surface of the second profile intermediate portion by means of a compression action of said surface, the finishing operation leaving the low thickness substantially unchanged.
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