EP2265737A4 - Method of producing precious metal alloy objects - Google Patents

Method of producing precious metal alloy objects

Info

Publication number
EP2265737A4
EP2265737A4 EP09731318.3A EP09731318A EP2265737A4 EP 2265737 A4 EP2265737 A4 EP 2265737A4 EP 09731318 A EP09731318 A EP 09731318A EP 2265737 A4 EP2265737 A4 EP 2265737A4
Authority
EP
European Patent Office
Prior art keywords
metal alloy
precious metal
alloy objects
producing precious
producing
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.)
Withdrawn
Application number
EP09731318.3A
Other languages
German (de)
French (fr)
Other versions
EP2265737A1 (en
Inventor
Bo Carlsson
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.)
THE CLEAN GOLD OF SCANDINAVIA AB
Original Assignee
CLEAN GOLD OF SCANDINAVIA AB
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 CLEAN GOLD OF SCANDINAVIA AB filed Critical CLEAN GOLD OF SCANDINAVIA AB
Publication of EP2265737A1 publication Critical patent/EP2265737A1/en
Publication of EP2265737A4 publication Critical patent/EP2265737A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C5/00Alloys based on noble metals
    • C22C5/02Alloys based on gold
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D27/00Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
    • B22D27/003Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting by using inert gases
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C1/00Making non-ferrous alloys
    • C22C1/02Making non-ferrous alloys by melting
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C5/00Alloys based on noble metals
    • C22C5/06Alloys based on silver
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/38Selection of media, e.g. special atmospheres for surrounding the working area
    • B23K35/383Selection of media, e.g. special atmospheres for surrounding the working area mainly containing noble gases or nitrogen
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22FCHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/14Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of noble metals or alloys based thereon

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Adornments (AREA)
  • Materials For Medical Uses (AREA)
EP09731318.3A 2008-04-09 2009-03-26 Method of producing precious metal alloy objects Withdrawn EP2265737A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE0800798 2008-04-09
SE0800797 2008-04-09
PCT/SE2009/050317 WO2009126095A1 (en) 2008-04-09 2009-03-26 Method of producing precious metal alloy objects

Publications (2)

Publication Number Publication Date
EP2265737A1 EP2265737A1 (en) 2010-12-29
EP2265737A4 true EP2265737A4 (en) 2013-09-25

Family

ID=41162093

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09731318.3A Withdrawn EP2265737A4 (en) 2008-04-09 2009-03-26 Method of producing precious metal alloy objects

Country Status (9)

Country Link
US (1) US20110030853A1 (en)
EP (1) EP2265737A4 (en)
JP (1) JP2011516734A (en)
CN (1) CN102057067A (en)
AU (1) AU2009234487A1 (en)
CA (1) CA2719536A1 (en)
MX (1) MX2010010972A (en)
RU (1) RU2010145401A (en)
WO (1) WO2009126095A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ302712B6 (en) * 2010-02-04 2011-09-14 Afe Cronite Cz S.R.O. Production technology of bimetallic and multilayer castings cast by gravity and centrifugal casting processes
JP5814564B2 (en) * 2011-02-25 2015-11-17 安井インターテック株式会社 Pressure casting method and apparatus
CN103418744B (en) * 2012-05-24 2017-04-12 安井贸易株式会社 Pressure casting method and device thereof
CN103658566A (en) * 2013-12-31 2014-03-26 河南豫光金铅股份有限公司 Method for producing silver ingot with low oxygen content
CN107209477B (en) * 2015-01-30 2019-08-09 安达满纳米奇精密宝石有限公司 Body wearing article, method for manufacturing the same, and wristwatch constructed using the same or the method for manufacturing the same
CN105170948A (en) * 2015-10-09 2015-12-23 西安航空动力股份有限公司 Method for protecting ZG1Cr112Ni3Mo2Co2VN stainless steel casting against oxide spots
CN108673037A (en) * 2018-06-21 2018-10-19 东莞市松研智达工业设计有限公司 Press heap formula wax planting mechanism
CN108673036A (en) * 2018-06-21 2018-10-19 东莞市松研智达工业设计有限公司 Press heap formula kind wax complete machine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4580617A (en) * 1982-05-07 1986-04-08 Charles Blechner Induction casting machine and method of casting
EP0124574B1 (en) * 1982-10-29 1991-06-26 WAHLBECK, Hans G.E. Method and apparatus for the manufacture of non-allergy creating precious metal objects
DE29710863U1 (en) * 1997-06-21 1997-08-14 Schultheiss, Georg, 71292 Friolzheim Casting device, in particular for high-melting materials

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US698769A (en) * 1899-07-17 1902-04-29 Elias H Bottum Process of preventing oxidation of molten metals.
JPH01288253A (en) * 1988-03-11 1989-11-20 Okuda Reiichi Precision casting machine
US5226946A (en) * 1992-05-29 1993-07-13 Howmet Corporation Vacuum melting/casting method to reduce inclusions
US6071326A (en) * 1998-07-16 2000-06-06 Ecogas Corporation Process for the production of naphtha gas from landfill gas
JP2002053918A (en) * 2000-08-07 2002-02-19 Tanaka Kikinzoku Kogyo Kk Noble metal based amorphous alloy
DE10202445C1 (en) * 2002-01-22 2003-04-10 Heraeus Gmbh W C Production of silver blanks, for use as tube targets, involves melting silver in an inert or reduction atmosphere together with calcium or aluminum, pouring molten silver in mold and cooling under atmospheric conditions
JP2004337908A (en) * 2003-05-15 2004-12-02 National Institute For Materials Science Surface modification of noble metal-based non-equilibrium alloys
EP1790744A1 (en) * 2005-11-28 2007-05-30 Siemens Aktiengesellschaft Method for repairing cracks in components and brazing alloy for brazing of components
JP2007215844A (en) * 2006-02-17 2007-08-30 Shiyoufuu:Kk Noble metal alloy for dental casting, having property of bonding to ceramic material by baking

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4580617A (en) * 1982-05-07 1986-04-08 Charles Blechner Induction casting machine and method of casting
EP0124574B1 (en) * 1982-10-29 1991-06-26 WAHLBECK, Hans G.E. Method and apparatus for the manufacture of non-allergy creating precious metal objects
DE29710863U1 (en) * 1997-06-21 1997-08-14 Schultheiss, Georg, 71292 Friolzheim Casting device, in particular for high-melting materials

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2009126095A1 *

Also Published As

Publication number Publication date
RU2010145401A (en) 2012-05-20
JP2011516734A (en) 2011-05-26
MX2010010972A (en) 2010-12-21
US20110030853A1 (en) 2011-02-10
AU2009234487A1 (en) 2009-10-15
CA2719536A1 (en) 2009-10-15
CN102057067A (en) 2011-05-11
EP2265737A1 (en) 2010-12-29
WO2009126095A1 (en) 2009-10-15

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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DAX Request for extension of the european patent (deleted)
RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: THE CLEAN GOLD OF SWEDEN AB (PUBL)

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: THE CLEAN GOLD OF SCANDINAVIA AB

A4 Supplementary search report drawn up and despatched

Effective date: 20130822

RIC1 Information provided on ipc code assigned before grant

Ipc: C22C 5/02 20060101AFI20130816BHEP

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