EP0529349A1 - Flan monétaire bimétallique et procédé pour sa fabrication - Google Patents

Flan monétaire bimétallique et procédé pour sa fabrication Download PDF

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Publication number
EP0529349A1
EP0529349A1 EP92113196A EP92113196A EP0529349A1 EP 0529349 A1 EP0529349 A1 EP 0529349A1 EP 92113196 A EP92113196 A EP 92113196A EP 92113196 A EP92113196 A EP 92113196A EP 0529349 A1 EP0529349 A1 EP 0529349A1
Authority
EP
European Patent Office
Prior art keywords
coin blank
groove
inner part
blank
annular
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
EP92113196A
Other languages
German (de)
English (en)
Other versions
EP0529349B1 (fr
Inventor
Ari Jukka Erik Vahteristo
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.)
Luvata Pori Oy
Original Assignee
Outokumpu Poricopper Oy
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8533052&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0529349(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Outokumpu Poricopper Oy filed Critical Outokumpu Poricopper Oy
Publication of EP0529349A1 publication Critical patent/EP0529349A1/fr
Application granted granted Critical
Publication of EP0529349B1 publication Critical patent/EP0529349B1/fr
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
    • B44B5/00—Machines or apparatus for embossing decorations or marks, e.g. embossing coins
    • B44B5/008—Machines or apparatus for embossing decorations or marks, e.g. embossing coins in layered material; connecting a plurality of layers by embossing
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C21/00—Coins; Emergency money; Beer or gambling coins or tokens, or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K25/00—Uniting components to form integral members, e.g. turbine wheels and shafts, caulks with inserts, with or without shaping of the components

Definitions

  • the present invention relates to a bimetallic coin blank and to a method for producing the same.
  • a bimetallic coin blank is composed of two parts: of an inner part, circular in cross-section, and of an outer annular part surrounding it. A tight juncture between the two parts of the blank is created by means of a continuous groove provided in the innermost part.
  • a bimetallic coin blank is formed of two parts made of two different metals, which are interconnected by means of mechanical joining carried out in the process of minting.
  • the coin blank is made of two separate metals, the inner of which is essentially circular in cross-section, and the outer is annular.
  • the innermost circumference of the outer annular part is tapered so that the thickness of the inner edge of the annular part is only about one third of the thickness of the rest of the annular part. From this narrow edge, there are extended small teeth towads the center of the ring.
  • the outer part is tightly compressed to around the inner part, so that the metal of the outer part is compactly pressed against the inner part.
  • the purpose of the dent-like protrusions is to prevent sliding and any other reciprocal movements of the two elements of the blank.
  • the inner part is provided with single openings extending from the periphery inwards.
  • the metal of the outer part is pressed into the openings of the inner part and thus creates a compact junction between the two parts.
  • the joining together of the parts of a piece composed of two different elements can be carried out in a remarkably simpler and more advantageous fashion than in the inventions described above.
  • the junction between the different parts of the bimetallic coin blank is created by means of a continuous groove formed on the outer periphery of the inner blank part, so that in the compression carried out in connection with the minting, the metal of the outer part flows into the groove of the inner part.
  • the annular part 1 is not provided with any taperings or protrusions deviating form the essentially vertical inner surface, i.e. it is principally smooth. This arrangement is remarkably advantageous from the point of view of toolmaking.
  • the edges of the groove are sufficiently sharp, and that the groove is sufficiently deep.
  • the depth of the groove is advantageously 0.3 - 1 times the height of the groove.
  • minimum tolerances must also be applied in order to achieve a sufficient strength for the juncture.
  • the use of several grooves was also experimented with, but the strength achieved with them remained poorer than with only one groove.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Adornments (AREA)
  • Graft Or Block Polymers (AREA)
  • Materials For Medical Uses (AREA)
  • Formation And Processing Of Food Products (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Ink Jet (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
EP92113196A 1991-08-30 1992-08-03 Flan monétaire bimétallique et procédé pour sa fabrication Revoked EP0529349B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI914101A FI88860C (fi) 1991-08-30 1991-08-30 Aemne till bimetallmynt och foerfarande foer dess framstaellning
FI914101 1991-08-30

Publications (2)

Publication Number Publication Date
EP0529349A1 true EP0529349A1 (fr) 1993-03-03
EP0529349B1 EP0529349B1 (fr) 1997-11-05

Family

ID=8533052

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92113196A Revoked EP0529349B1 (fr) 1991-08-30 1992-08-03 Flan monétaire bimétallique et procédé pour sa fabrication

Country Status (9)

Country Link
EP (1) EP0529349B1 (fr)
AT (1) ATE159899T1 (fr)
DE (1) DE69223000T2 (fr)
DK (1) DK0529349T3 (fr)
ES (1) ES2109963T3 (fr)
FI (1) FI88860C (fr)
GR (1) GR3025548T3 (fr)
NO (1) NO305493B1 (fr)
SE (1) SE508784C2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2715807A1 (fr) * 1994-02-04 1995-08-11 Admin Monnaies Medailles Procédé de fabrication de pièces monétaires, de médailles ou de jetons notamment bimétalliques, pièces, médailles ou jetons obtenus et couronne et insert pour leur fabrication.
US5996262A (en) * 1994-04-18 1999-12-07 Poongsan Corporation Bimetallic coin and method for producing the same
WO2011071234A3 (fr) * 2009-12-07 2011-10-27 주식회사 풍산 Ensemble pièce de monnaie, ensemble médaille et procédé de fabrication d'ensemble pièce de monnaie et d'ensemble médaille

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101856166B (zh) * 2009-04-07 2013-08-21 上海造币有限公司 电镀镶嵌双色币(章)及其套裁制作工艺
CN101999783B (zh) * 2009-09-03 2012-11-14 上海造币有限公司 电镀镶嵌三色币(章)及其套裁制作工艺

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1334051A (en) * 1919-02-17 1920-03-16 Orton L Prime Method of forming composite metal plugs
EP0312436A1 (fr) * 1987-10-12 1989-04-19 Administration Des Monnaies Et Medailles Procédé pour la fabrication de pièces monétaires et de médailles bimétalliques

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1334051A (en) * 1919-02-17 1920-03-16 Orton L Prime Method of forming composite metal plugs
EP0312436A1 (fr) * 1987-10-12 1989-04-19 Administration Des Monnaies Et Medailles Procédé pour la fabrication de pièces monétaires et de médailles bimétalliques

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
The Official Gazettte of the United States Patent Office, Vol. 88, No. 11, 12 September 1899, Washington, DC, USA *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2715807A1 (fr) * 1994-02-04 1995-08-11 Admin Monnaies Medailles Procédé de fabrication de pièces monétaires, de médailles ou de jetons notamment bimétalliques, pièces, médailles ou jetons obtenus et couronne et insert pour leur fabrication.
US5630288A (en) * 1994-02-04 1997-05-20 Administration Des Monnaies Et Medailles Process for manufacturing bimetallic coins or medals and coins or medals thus obtained
US5996262A (en) * 1994-04-18 1999-12-07 Poongsan Corporation Bimetallic coin and method for producing the same
US6189197B1 (en) * 1994-04-18 2001-02-20 Poongsan Corporation Method for producing a bimetallic coin
WO2011071234A3 (fr) * 2009-12-07 2011-10-27 주식회사 풍산 Ensemble pièce de monnaie, ensemble médaille et procédé de fabrication d'ensemble pièce de monnaie et d'ensemble médaille
US8533929B2 (en) 2009-12-07 2013-09-17 Poongsan Corporation Coin assembly and medal assembly, and method for fabricating the same

Also Published As

Publication number Publication date
ATE159899T1 (de) 1997-11-15
NO922825L (no) 1993-03-01
ES2109963T3 (es) 1998-02-01
DK0529349T3 (da) 1998-04-20
NO922825D0 (no) 1992-07-16
EP0529349B1 (fr) 1997-11-05
NO305493B1 (no) 1999-06-07
GR3025548T3 (en) 1998-03-31
SE508784C2 (sv) 1998-11-02
DE69223000T2 (de) 1998-03-05
FI88860B (fi) 1993-04-15
SE9202290D0 (sv) 1992-08-05
SE9202290L (sv) 1993-03-01
FI914101A0 (fi) 1991-08-30
FI88860C (fi) 1993-07-26
DE69223000D1 (de) 1997-12-11

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