FR2155824A1 - Casting filigree type jewellry by addition of film forming - elements to noble metals for stripping mould material from casting - Google Patents

Casting filigree type jewellry by addition of film forming - elements to noble metals for stripping mould material from casting

Info

Publication number
FR2155824A1
FR2155824A1 FR7136218A FR7136218A FR2155824A1 FR 2155824 A1 FR2155824 A1 FR 2155824A1 FR 7136218 A FR7136218 A FR 7136218A FR 7136218 A FR7136218 A FR 7136218A FR 2155824 A1 FR2155824 A1 FR 2155824A1
Authority
FR
France
Prior art keywords
casting
film forming
noble metals
mould material
jewellry
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Withdrawn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
FR7136218A
Other languages
French (fr)
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.)
Doduco Solutions GmbH
Original Assignee
Doduco GmbH and Co KG Dr Eugen Duerrwaechter
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 Doduco GmbH and Co KG Dr Eugen Duerrwaechter filed Critical Doduco GmbH and Co KG Dr Eugen Duerrwaechter
Priority to FR7136218A priority Critical patent/FR2155824A1/en
Publication of FR2155824A1 publication Critical patent/FR2155824A1/en
Withdrawn legal-status Critical Current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
    • C22C5/00—Alloys based on noble metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D13/00—Centrifugal casting; Casting by using centrifugal force
    • B22D13/06—Centrifugal casting; Casting by using centrifugal force of solid or hollow bodies in moulds rotating around an axis arranged outside the mould
    • B22D13/063—Centrifugal casting; Casting by using centrifugal force of solid or hollow bodies in moulds rotating around an axis arranged outside the mould for dentistry or jewellery

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Adornments (AREA)

Abstract

Small amounts of oxide-film forming elements are added to noble metals and alloys, which are centrifugally cast to form filigree-type jewellery and decorative or intricately shaped articles, for ease of stripping the mould material from the casting.
FR7136218A 1971-10-08 1971-10-08 Casting filigree type jewellry by addition of film forming - elements to noble metals for stripping mould material from casting Withdrawn FR2155824A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7136218A FR2155824A1 (en) 1971-10-08 1971-10-08 Casting filigree type jewellry by addition of film forming - elements to noble metals for stripping mould material from casting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7136218A FR2155824A1 (en) 1971-10-08 1971-10-08 Casting filigree type jewellry by addition of film forming - elements to noble metals for stripping mould material from casting

Publications (1)

Publication Number Publication Date
FR2155824A1 true FR2155824A1 (en) 1973-05-25

Family

ID=9084086

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7136218A Withdrawn FR2155824A1 (en) 1971-10-08 1971-10-08 Casting filigree type jewellry by addition of film forming - elements to noble metals for stripping mould material from casting

Country Status (1)

Country Link
FR (1) FR2155824A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0381994A1 (en) * 1989-02-09 1990-08-16 C. HAFNER GmbH & Co. Alloy with a high gold content for ornamental uses

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0381994A1 (en) * 1989-02-09 1990-08-16 C. HAFNER GmbH & Co. Alloy with a high gold content for ornamental uses

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Legal Events

Date Code Title Description
ST Notification of lapse