公开(公告)号：US20160273077A1

公开(公告)日：2016-09-22

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 ,  G04B37/22 ,  A44C5/18 ,  A44C27/00 ,  A44C5/00

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%.

Abstract translation: 一种无镍，无钴，无铁，无银，无铜，无锆，无铌，无铬和无锰的灰金合金，其重量百分比含量为 Au的75.0〜76.5％，Pd的15〜23％，Rh的0.5〜5％，Pt的0〜7％，以及0〜5％的合金元素Ir，Ru，Ti ，In，Ga，B和Re，所有合金元素的百分比相加至100％。

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%.