GB1197778A - Improvements in Fine Grained Gold Alloy. - Google Patents

Improvements in Fine Grained Gold Alloy.

Info

Publication number
GB1197778A
GB1197778A GB5485767A GB5485767A GB1197778A GB 1197778 A GB1197778 A GB 1197778A GB 5485767 A GB5485767 A GB 5485767A GB 5485767 A GB5485767 A GB 5485767A GB 1197778 A GB1197778 A GB 1197778A
Authority
GB
United Kingdom
Prior art keywords
fine grained
gold alloy
alloy
grained gold
harman
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB5485767A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Handy and Harman
Original Assignee
Handy and Harman
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Handy and Harman filed Critical Handy and Harman
Publication of GB1197778A publication Critical patent/GB1197778A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C9/00—Alloys based on copper
    • C22C9/06—Alloys based on copper with nickel or cobalt as the next major constituent
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C5/00—Alloys based on noble metals
    • C22C5/02—Alloys based on gold
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C9/00—Alloys based on copper
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C9/00—Alloys based on copper
    • C22C9/04—Alloys based on copper with zinc as the next major constituent

Abstract

1,197,778. Alloys. HANDY & HARMAN. Dec.1 1967 [Feb. 16, 1967], No.54857/67. Headings C7A and C7D. An alloy having a fine grain structure in the as-cast condition consists, by weight, of:- Au 39À6-75% Ag 0-30% Zn 0-10% Ni and/or Pd 0À025-2% Ru 0À005-0À05% Cu balance (apart from impurities). The alloy is made by adding Ni-Ru or Pd-Ru master alloy to a melt of the remaining constituents.
GB5485767A 1967-02-16 1967-12-01 Improvements in Fine Grained Gold Alloy. Expired GB1197778A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US61647267A 1967-02-16 1967-02-16

Publications (1)

Publication Number Publication Date
GB1197778A true GB1197778A (en) 1970-07-08

Family

ID=24469610

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5485767A Expired GB1197778A (en) 1967-02-16 1967-12-01 Improvements in Fine Grained Gold Alloy.

Country Status (2)

Country Link
DE (1) DE1608166A1 (en)
GB (1) GB1197778A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3024387A1 (en) * 1980-02-08 1981-08-13 Usine Genevoise de Degrossissage d'Or, Genévé GOLD ALLOY
EP0665297A1 (en) * 1993-11-12 1995-08-02 Manfred Müller Gold alloy for jewellery
WO2015038636A1 (en) * 2013-09-10 2015-03-19 Apple Inc. Crystalline gold alloys with improved hardness

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2041974B (en) * 1979-01-18 1983-03-09 Murao Shoten Gold alloy

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3024387A1 (en) * 1980-02-08 1981-08-13 Usine Genevoise de Degrossissage d'Or, Genévé GOLD ALLOY
EP0665297A1 (en) * 1993-11-12 1995-08-02 Manfred Müller Gold alloy for jewellery
WO2015038636A1 (en) * 2013-09-10 2015-03-19 Apple Inc. Crystalline gold alloys with improved hardness
JP2016536470A (en) * 2013-09-10 2016-11-24 アップル インコーポレイテッド Crystalline gold alloy with improved hardness

Also Published As

Publication number Publication date
DE1608166A1 (en) 1970-11-05

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees