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US 12,698,548 B2Granted
Component for timepiece or piece of jewellery made of cermet
AssigneeThe Swatch Group Research and Development Ltd
InventorsBernard Bertheville, Yann Fallet
Life of this patent
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Abstract
A component suitable for a timepiece or a jewellery item may be made of a cermet material including a carbide phase and a metal binder phase selected from among gold, platinum, palladium rhodium, osmium, ruthenium, and one of the alloys thereof. The metal binder phase may be present in a range of from 3 and 25 wt. % and the carbide phase may be present in a range of from 75 and 97 wt. %.
Claims21
A non-ferromagnetic component, comprising:
- a cermet material having a carbide phase consisting of at least one carbide selected from the group consisting of titanium carbide, molybdenum carbide, silicon carbide and niobium carbide;
- Si2Ti or Si2Zr;
- and
- a metallic binder phase comprising platinum,
- wherein
- the metallic binder phase is present in a range of from 3 to 24 wt. %,
- the carbide phase is present in a range of from 75 to 96 wt. %,
- the Si2Ti or Si2Zr is present in a range of from 1 to 3 wt. %, and
- the non-ferromagnetic component does not comprise ruthenium, nickel and cobalt.
6 more elements
A non-ferromagnetic component comprising:
- a cermet material comprising a carbide phase;
- Si2Ti or Si2Zr;
- and a metallic binder phase of a metallic binder,
- wherein
- the Si2Ti or Si2Zr is present in a range of from 1 to 3 wt. %,
- the metallic binder consists of gold, platinum, palladium, rhodium, osmium, or an alloy thereof,
- the metallic binder phase is present in a range of from 6 to 24 wt. %,
- the carbide phase is molybdenum carbide and is present in a range of from 75 to 93 wt. %, and
- the non-ferromagnetic component is free from nickel and cobalt.
6 more elements
Dependencies are inferred from the claim text.