Device for winding a timepiece movement

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United States of America Patent

PATENT NO 11144011
APP PUB NO 20180046141A1
SERIAL NO

15667718

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Abstract

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A component of a winding device, in particular an automatic winding device, of a timepiece movement, wherein it is made of austenitic stainless steel and wherein it comprises at least one friction surface hardened by carbon or nitrogen type atoms introduced into the austenitic stainless steel over a predetermined depth.

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Patent Owner(s)

Patent OwnerAddress
ROLEX SA3-5-7 RUE FRANCOIS DUSSAUD GENEVA 26 CH-1211

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
de, Almeida Graça Sergio Bienne, CH 1 0
Linck, Vannina Saint-Julien-en-Genevois, FR 5 3

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