公开(公告)号：US20230250517A1

公开(公告)日：2023-08-10

申请号：US18004691

申请日：2021-06-17

Applicant: The Swatch Group Research and Development Ltd

Inventor： Bernard BERTHEVILLE ,  Yann FALLET

IPC: C22C29/06 ,  C22C29/08 ,  C22C29/10 ,  B22F7/06 ,  A44C27/00

CPC classification number: C22C29/067 ,  C22C29/08 ,  C22C29/10 ,  B22F7/06 ,  A44C27/003

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. %.

公开(公告)号：US20230304133A1

公开(公告)日：2023-09-28

申请号：US18041707

申请日：2021-07-07

Applicant: The Swatch Group Research and Development Ltd

Inventor： Bernard BERTHEVILLE ,  Yann FALLET

IPC: C22C29/16 ,  G04B37/22 ,  C22C29/12 ,  C22C29/00 ,  C22C1/053

CPC classification number: C22C29/16 ,  G04B37/22 ,  C22C29/12 ,  C22C29/005 ,  C22C1/053

Abstract: The invention relates to a decorative item made of a cermet material including by weight between 70 and 97% of a ceramic phase and between 3 and 30% of a metal binder phase, the metal binder comprising at least one element or its alloy selected from the list consisting of ruthenium, rhodium, palladium, osmium, iridium, platinum, gold and silver, the ceramic phase including a nitride phase and optionally an oxide and/or oxynitride phase, said nitride phase being present in relation to the total weight of the cermet material in a percentage between 70 and 97% and said oxide and/or oxynitride phase in a percentage between 0 and 15%.
The present invention also relates to the method implemented to produce this item.

公开(公告)号：US20230295053A1

公开(公告)日：2023-09-21

申请号：US18017567

申请日：2021-07-28

Applicant: The Swatch Group Research and Development Ltd.

Inventor： Bernard BERTHEVILLE ,  Yann FALLET

IPC: C04B35/58 ,  C04B35/64

CPC classification number: C04B35/58021 ,  C04B35/64 ,  C04B2235/3856 ,  C04B2235/3847 ,  C04B2235/3244 ,  C04B2235/9661 ,  C04B2235/3891 ,  C04B2235/6567 ,  C04B2235/3217 ,  C04B2235/3886

Abstract: The invention relates to an item made of a material consisting of a plurality of ceramic phases, said material including:



a majority ceramic phase comprising nitrides and/or carbonitrides of one or more element(s) selected from among Ti, Zr, Hf, V, Nb, and Ta, said majority ceramic phase being present in a percentage by weight comprised between 60 and 98%,
at least one minority ceramic phase, with either one single minority ceramic phase formed of zirconium and/or aluminium silicide, or several minority ceramic phases formed respectively of carbides of one or more element(s) selected from among Ti, Zr, Hf, V, Nb, Ta, Cr, Mo and W and of zirconium oxides and/or aluminium oxides, said at least one minority ceramic phase being present in its entirety in a percentage by weight comprised between 2 and 40%.




The present invention also relates to the method for manufacturing this item.

公开(公告)号：US20220033312A1

公开(公告)日：2022-02-03

申请号：US17298860

申请日：2019-11-11

Applicant: The Swatch Group Research and Development Ltd

Inventor： Bernard BERTHEVILLE ,  Yann FALLET

IPC: C04B35/56 ,  G04B45/00

Abstract: A decorative item is made of a ceramic material, where ceramic material includes a carbide phase and an oxide phase, the carbide phase being present in a percentage by volume comprised between 50 and 95% and the oxide phase being present in a percentage by volume comprised between 5 and 50%. The decorative item is manufactured by a method of powder metallurgy.

公开(公告)号：US20190136352A1

公开(公告)日：2019-05-09

申请号：US16140868

申请日：2018-09-25

Applicant: The Swatch Group Research and Development Ltd

Inventor： Bernard BERTHEVILLE ,  Yann FALLET ,  Jakob KUBARSEPP ,  Mart KOLNES ,  Lauri KOLLO

IPC: C22C29/02 ,  B22F5/00 ,  B22F1/00 ,  B44F9/10

Abstract: A powder metallurgy moulding composition intended for manufacturing decorative or covering articles in sintered massive cermet, including an inorganic powder to form the cermet and an organic binder. The inorganic powder includes by weight of 35% to 95% of at least one ceramic phase based on ceramic selected from the group consisting of TiC, TiCN, TiN and mixtures thereof, and from 5% to 65% of a metallic phase, the metallic phase consisting by weight of at least 40% of iron, from 15% to 45% of chromium, from 0.1% to 25% of molybdenum, from 0.1% to 10% of silicon, from 0 to 10% of boron, and from 0 to 10% of niobium, the respective amounts of the elements of the metallic phase being such that their sum is equal to 100 wt % of the metallic phase.