Watch-making or clock-making component comprising an amorphous metal alloy

US9315884B2 · kind B2 · utility

Assignee

• ROLEX SA · CH

Inventors

• Moustafa Aljerf · Saint-Martin-d'Hères, FR
• Konstantinos Georgarakis · Grenoble, FR
• Thomas Gyger · Le Fuet, CH
• Alain Le Moulec · Gières, FR
• Vincent Von Niederhäusern · Delémont, CH
• Alain Yavari · Grenoble, FR

Key dates

• Filing date: Jan 22, 2013
• Grant date: Apr 19, 2016
• Expiry date: Jan 17, 2034

Classification

• Technology area (CPC G): Physics
• CPC primary: G04B1/145
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

The invention relates to a watch-making or clock-making component comprising an amorphous metal alloy corresponding to the formula: FeaCobNicNbdVeBfTag, in which: 0<a<70; 0<b<70; 8<c<60; 1<d<19; 1<e<10; 12<f<25; 0<g<5; with 20<a+b<70; 50<a+b+c<90; 5<d+e<20; and a+b+c+d+e+f+g=100. This watch-making or clock-making component may be a spring, such as a barrel spring.