EP0717118A3 - Process for manufacturing gold-titanium alloy castings - Google Patents

Process for manufacturing gold-titanium alloy castings Download PDF

Info

Publication number
EP0717118A3
EP0717118A3 EP95117228A EP95117228A EP0717118A3 EP 0717118 A3 EP0717118 A3 EP 0717118A3 EP 95117228 A EP95117228 A EP 95117228A EP 95117228 A EP95117228 A EP 95117228A EP 0717118 A3 EP0717118 A3 EP 0717118A3
Authority
EP
European Patent Office
Prior art keywords
titanium alloy
alloy castings
manufacturing gold
gold
manufacturing
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.)
Granted
Application number
EP95117228A
Other languages
German (de)
French (fr)
Other versions
EP0717118B8 (en
EP0717118A2 (en
EP0717118B1 (en
Inventor
Bernd Dr Kempf
Hans-Martin Ringelstein
Thomas Dr Baumgaertner
Lothar Dr Voelkl
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.)
Degudent GmbH
Original Assignee
Degussa GmbH
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 Degussa GmbH filed Critical Degussa GmbH
Publication of EP0717118A2 publication Critical patent/EP0717118A2/en
Publication of EP0717118A3 publication Critical patent/EP0717118A3/en
Application granted granted Critical
Publication of EP0717118B1 publication Critical patent/EP0717118B1/en
Publication of EP0717118B8 publication Critical patent/EP0717118B8/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A44HABERDASHERY; JEWELLERY
    • A44CPERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C27/00Making jewellery or other personal adornments
    • A44C27/001Materials for manufacturing jewellery
    • A44C27/002Metallic materials
    • A44C27/003Metallic alloys
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D25/00Special casting characterised by the nature of the product
    • B22D25/02Special casting characterised by the nature of the product by its peculiarity of shape; of works of art

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Dental Prosthetics (AREA)
  • Mold Materials And Core Materials (AREA)
  • Adornments (AREA)
  • Catalysts (AREA)

Abstract

Prodn. of cast moulded pieces made o Au-Ti alloy contg. 0.1-4 wt.% Ti comprises melting portion pieces of the allow in air, and subsequently casting. A melting crucible is used, whose surfaces in contact with the alloy melt are made of carbon.
EP95117228A 1994-11-08 1995-11-02 Process for manufacturing gold-titanium alloy castings Expired - Lifetime EP0717118B8 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4439793 1994-11-08
DE4439793A DE4439793C2 (en) 1994-11-08 1994-11-08 Process for the production of moldings from gold-titanium alloys

Publications (4)

Publication Number Publication Date
EP0717118A2 EP0717118A2 (en) 1996-06-19
EP0717118A3 true EP0717118A3 (en) 1997-01-29
EP0717118B1 EP0717118B1 (en) 2003-08-27
EP0717118B8 EP0717118B8 (en) 2004-01-02

Family

ID=6532729

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95117228A Expired - Lifetime EP0717118B8 (en) 1994-11-08 1995-11-02 Process for manufacturing gold-titanium alloy castings

Country Status (3)

Country Link
EP (1) EP0717118B8 (en)
AT (1) ATE248237T1 (en)
DE (2) DE4439793C2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7279054B2 (en) * 2004-05-14 2007-10-09 The Argen Corporation Dental prosthesis method and alloys

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2302837A1 (en) * 1973-01-20 1974-08-01 Th Wieland Scheideanstalt Dr Gold platinum palladium alloys - for dental surgery, contg. titanium for high hardness and stiffness
EP0153559A2 (en) * 1984-02-24 1985-09-04 Degussa Aktiengesellschaft Low gold content dental alloys
EP0190648A1 (en) * 1985-01-29 1986-08-13 International Gold Corporation Limited A gold alloy
EP0691123A1 (en) * 1994-07-05 1996-01-10 Cendres Et Metaux S.A. Dental alloy with a high gold content

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2302837A1 (en) * 1973-01-20 1974-08-01 Th Wieland Scheideanstalt Dr Gold platinum palladium alloys - for dental surgery, contg. titanium for high hardness and stiffness
EP0153559A2 (en) * 1984-02-24 1985-09-04 Degussa Aktiengesellschaft Low gold content dental alloys
EP0190648A1 (en) * 1985-01-29 1986-08-13 International Gold Corporation Limited A gold alloy
EP0691123A1 (en) * 1994-07-05 1996-01-10 Cendres Et Metaux S.A. Dental alloy with a high gold content

Also Published As

Publication number Publication date
EP0717118B8 (en) 2004-01-02
DE4439793C1 (en) 1995-10-26
EP0717118A2 (en) 1996-06-19
EP0717118B1 (en) 2003-08-27
DE4439793C2 (en) 2001-05-23
DE59510778D1 (en) 2003-10-02
ATE248237T1 (en) 2003-09-15

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