公开(公告)号：US10455908B2

公开(公告)日：2019-10-29

申请号：US14357053

申请日：2012-11-07

Applicant: The Swatch Group Research and Development Ltd.

Inventor： Stephane Lauper ,  Alban Dubach ,  Denis Vincent ,  Edwina Klay ,  Bruno Neveu

IPC: C22C5/02 ,  A44C27/00 ,  G04B37/22

Abstract: A timepiece or piece of jewellery made of a nickel free and cobalt free gold alloy, the composition of which includes by weight between 75% and 77.5% gold, between 1.2 and 1.6% palladium, and between 20.1 and 23.8% copper.

公开(公告)号：US20140305164A1

公开(公告)日：2014-10-16

申请号：US14357053

申请日：2012-11-07

Applicant: The Swatch Group Research and Development Ltd.

Inventor： Stéphane Lauper ,  Alban Dubach ,  Denis Vincent ,  Edwina Klay ,  Bruno Neveu

IPC: A44C27/00 ,  C22C5/02

CPC classification number: A44C27/003 ,  C22C5/02 ,  G04B37/22

Abstract: A timepiece or piece of jewellery made of a nickel free and cobalt free gold alloy, the composition of which includes by weight between 75% and 77.5% gold, between 1.2 and 1.6% palladium, and between 20.1 and 23.8% copper.

Abstract translation: 一种由无镍和无钴金合金制成的钟表或首饰，其组成包括重量为75％至77.5％之间的金，1.2至1.6％的钯和20.1至23.8％的铜。

公开(公告)号：US11591672B2

公开(公告)日：2023-02-28

申请号：US15052011

申请日：2016-02-24

Applicant: The Swatch Group Research and Development Ltd

Inventor： Denis Vincent ,  Polychronis Nakis Karapatis ,  Gregory Kissling ,  Stephane Lauper ,  Gaetan Villard ,  Alban Dubach

IPC: C22C5/02 ,  C22C1/02 ,  A44C5/00 ,  A44C5/18 ,  A44C27/00 ,  G04B37/22

Abstract: A grey gold alloy which is nickel-free, cobalt-free, iron-free, silver-free, copper-free, zirconium-free, niobium-free, chromium-free and manganese-free, including, expressed in weight percent, from 75.0 to 76.5% of Au, from 15 to 23% of Pd, from 0.5 to 5% of Rh, from 0 to 7% of Pt, and from 0 to 5% of at least one of the alloying elements Ir, Ru, Ti, In, Ga, B and Re, the respective percentages of all the alloying elements adding up to 100%.