公开(公告)号：US20210178479A1

公开(公告)日：2021-06-17

申请号：US17087828

申请日：2020-11-03

Applicant: ROLEX SA

Inventor： Tuomas Jalanti ,  Hossein Meidani

IPC: B22F10/20 ,  B29C64/153 ,  B22F12/10

Abstract: A surface treatment process for manufacturing a metal- and/or cermet-based timepiece component from a component having irregularities, such as pores and/or precipitates and/or striations, obtained by a powder metallurgy or additive manufacturing method, which process includes a step of improving the surface finish of the component by superficial remelting on a surface zone of the component.

公开(公告)号：US20250043397A1

公开(公告)日：2025-02-06

申请号：US18717499

申请日：2022-12-14

Applicant: ROLEX SA

Inventor： Hossein Meidani

IPC: C22C32/00 ,  A44C27/00 ,  C22C1/04 ,  C22C1/059

Abstract: The metal matrix composite material for a horological component comprises a metal alloy based on gold, with at least 75% by weight of gold, or based on platinum, with at least 95% by weight of platinum, or based on palladium, with at least 95% by weight of palladium, the composite material further including between 0.1% and 2% by weight, or even between 0.5% and 2% by weight, or even between 0.5% and 1.5% by weight, or even between 0.5% and 1.25% by weight, or even between 0.5% and 1% by weight, of at least one hardening element, and a reinforcing material, in a proportion by mass of between 1% and 10%, or even between 1% and 5%, the reinforcing material including ceramic particles.