Part for a timepiece movement
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United States of America Patent
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Jul 12, 2016
Issued Date -
N/A
app pub date -
Sep 11, 2015
filing date -
Jan 17, 2013
priority date (Note) -
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Abstract
A metal pivot pin includes at least one pivot at at least one of its ends, and the metal is an austenitic steel, an austenitic cobalt alloy, or an austenitic nickel alloy in order to limit a sensitivity of the pin to magnetic fields. At least an outer surface of the at least one pivot is hardened to a predetermined depth relative to the rest of the pin in order to harden the at least one pivot.
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