Pivot arbor of a regulating member
AssigneeNivarox-FAR S.A.
InventorChristian Charbon
Life of this patent
Estimating the term…
Abstract
A timepiece component for a timepiece movement and notably a pivot arbor of a regulating member of a mechanical timepiece movement, made of an alloy containing by weight: between 25% and 55% of palladium, between 25% and 55% of silver, between 10% and 30% of copper, between 0.5% and 5% of zinc, gold and platinum with a total percentage of these two elements comprised between 15% and 25%, between 0% and 1% of one or more elements chosen from among boron and nickel, between 0% and 3% of one or more elements chosen from among rhenium and ruthenium, no more than 0.1% of one or more elements chosen from among iridium, osmium and rhodium, and no more than 0.2% of other impurities, the respective quantities of the components being such that, added together, they do not exceed 100%.
Claims19
A timepiece component for a timepiece movement, made of an alloy comprising by weight:
- between 25% and 55% of palladium,
- between 25% and 55% of silver,
- between 10% and 30% of copper,
- between 0.5% and 5% of zinc,
- between 5% and 25% of one or more elements chosen from among gold and platinum,
- between 0% and 1% of one or more elements chosen from among boron and nickel,
- between 0% and 3% of one or more elements chosen from among rhenium and ruthenium,
- no more than 0.1% of one or more elements chosen from among iridium, osmium and rhodium, and
- no more than 0.2% of other impurities, the respective quantities of the components being such that, together, they add up to 100%.
A mechanical movement for a timepiece, wherein the movement includes a timepiece component for a timepiece movement, made of an alloy comprising by weight:
- between 25% and 55% of palladium,
- between 25% and 55% of silver,
- between 10% and 30% of copper,
- between 0.5% and 5% of zinc,
- between 5% and 25% of one or more elements chosen from among gold and platinum,
- between 0% and 1% of one or more elements chosen from among boron and nickel,
- between 0% and 3% of one or more elements chosen from among rhenium and ruthenium,
- no more than 0.1% of one or more elements chosen from among iridium, osmium and rhodium, and
- no more than 0.2% of other impurities, the respective quantities of the components being such that, together, they add up to 100%.
A method for manufacturing a timepiece component for a timepiece movement, comprising at least one part machined by chip removal, the method comprising the following steps:
- a) taking an element machinable by chip removal, said element being made of a non-magnetic alloy containing by weight:
- between 25% and 55% of palladium, between 25% and 55% of silver, between 10% and 30% of copper, between 0.5% and 5% of zinc, between 15% and 25% of one or more elements chosen from among gold and platinum, between 0% and 1% of one or more elements chosen from among boron and nickel, between 0% and 3% of one or more elements chosen from among rhenium and ruthenium, at most 0.1% of one or more elements chosen from among iridium, osmium and rhodium, and at most 0.2% of other impurities, the respective quantities of the components being such that, together, they add up to 100%
- b) chip removal machining said timepiece component.
Dependencies are inferred from the claim text.