EP0312436A1 - Verfahren zum Herstellen von bimetallischen Münzen und Medaillen - Google Patents

Verfahren zum Herstellen von bimetallischen Münzen und Medaillen Download PDF

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Publication number
EP0312436A1
EP0312436A1 EP88402555A EP88402555A EP0312436A1 EP 0312436 A1 EP0312436 A1 EP 0312436A1 EP 88402555 A EP88402555 A EP 88402555A EP 88402555 A EP88402555 A EP 88402555A EP 0312436 A1 EP0312436 A1 EP 0312436A1
Authority
EP
European Patent Office
Prior art keywords
blank
crown
medals
periphery
ring
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
EP88402555A
Other languages
English (en)
French (fr)
Other versions
EP0312436B1 (de
Inventor
Michel Lasset
Maurice Mano
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.)
Administration des Monnaies et Medailles
Original Assignee
Administration des Monnaies et Medailles
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 Administration des Monnaies et Medailles filed Critical Administration des Monnaies et Medailles
Priority to AT88402555T priority Critical patent/ATE84403T1/de
Publication of EP0312436A1 publication Critical patent/EP0312436A1/de
Application granted granted Critical
Publication of EP0312436B1 publication Critical patent/EP0312436B1/de
Priority to UY23733A priority patent/UY23733A1/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • 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
    • 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

Definitions

  • the present invention relates to a process for the production of monetary coins and bimetallic medals.
  • connection means described in this patent consists in providing on the inner face of the crown a certain number of teeth, in positioning the inner blank so that its periphery is tangent to the inner face of said teeth and, by pressure, causing the creep of the metal of the blank so that this metal traps said teeth.
  • This technique has a certain number of drawbacks, in particular because of the necessity of producing a crown comprising said teeth and of the fact that the metal has to creep on the surface of the part, which can often lead to visible irregularities on the final parts obtained.
  • the present invention relates to a process for manufacturing bimetallic coins or medals, by securing a crown with a blank, which aims to overcome the difficulties encountered in the implementation of the process described in European patent 0 080 437.
  • the method according to the invention is characterized in that a blank is used comprising, on its periphery, a discontinuous groove and that, after placing said blank inside the crown, it is carried out in a single operation, d on the one hand, the joining, by creep of the metal of the crown in the groove of the blank, of said crown and of said blank and the stamping of the whole flank so as to directly obtain a finished coin or medal.
  • the metal any of the metals or alloys which can be used in the monetary field or for making medals can be used, but the metal (or alloy) constituting the crown must be more ductile than that used for the blank; it is indeed the metal (or alloy) constituting the crown which, under the influence of the exerted pressure, must creep to fill at least partially the groove formed in the blank whereas the deformation of the blank must be limited to the deformation superficial corresponding to the formation of the reliefs and / or figures chosen for the coin or medal.
  • the clearance distance between the outer part of the blank and the inner part of the crown
  • the crown will have a thickness of 0.5 to 3 tenths of a millimeter greater than that of the blank.
  • Figure 1a shows in partial section the "crown"; as can be seen, this crown has a rectangular cross section; it can have, for example, an outside diameter of 23 mm, an inside diameter of 16.5 mm and a thickness of 2.5 mm.
  • This crown is obtained by cutting the strip. It then undergoes pickling annealing and brightening operations specific to the alloy used.
  • Figure 1b shows the blank. It is a circular disc with a diameter of 16.3 mm and a thickness of 2.4 mm. This disc is also obtained by cutting. This blank undergoes a cordage operation of the "incuse edge" type which makes it possible to obtain a series of grooves; each groove has a maximum depth of the order of 0.2 mm. For example, 6 or 8 grooves will be made around the edge of the blank. This blank can also undergo pickling annealing and brightening operations specific to the alloy used.
  • Figure 3 there is shown a finished part; that is to say that the two elements positioned as in FIG. 3 have been conveyed towards the striking dies (or corners); this striking ensures in a single operation the crimping, obtained by creeping of the metal (or alloy) from the crown towards the blank and in particular the grooves thereof, and the coinage.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Adornments (AREA)
  • Noodles (AREA)
  • Testing Of Coins (AREA)
  • Formation And Processing Of Food Products (AREA)
  • Confectionery (AREA)
EP88402555A 1987-10-12 1988-10-11 Verfahren zum Herstellen von bimetallischen Münzen und Medaillen Expired - Lifetime EP0312436B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AT88402555T ATE84403T1 (de) 1987-10-12 1988-10-11 Verfahren zum herstellen von bimetallischen muenzen und medaillen.
UY23733A UY23733A1 (es) 1987-10-12 1994-02-25 Procedimiento de fabricacion de piezas monetarias o de medallas bimetalicas

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8714065 1987-10-12
FR8714065A FR2621506B1 (fr) 1987-10-12 1987-10-12 Procede pour la fabrication de pieces monetaires bimetalliques

Publications (2)

Publication Number Publication Date
EP0312436A1 true EP0312436A1 (de) 1989-04-19
EP0312436B1 EP0312436B1 (de) 1993-01-13

Family

ID=9355734

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88402555A Expired - Lifetime EP0312436B1 (de) 1987-10-12 1988-10-11 Verfahren zum Herstellen von bimetallischen Münzen und Medaillen

Country Status (9)

Country Link
EP (1) EP0312436B1 (de)
AT (1) ATE84403T1 (de)
CA (1) CA1317746C (de)
DE (1) DE3877502T2 (de)
ES (1) ES2037861T3 (de)
FR (1) FR2621506B1 (de)
GR (1) GR3007496T3 (de)
PT (1) PT89212B (de)
UY (1) UY23733A1 (de)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0415892A1 (de) * 1989-09-01 1991-03-06 Istituto Poligrafico E Zecca Dello Stato Bimetallischer Münzrohling, insbesondere für Münzen und dergleichen
DE4117618A1 (de) * 1991-05-29 1992-12-03 Deutsche Nickel Ag Zweiteiliger muenzrohling und verfahren zu dessen herstellung
EP0529349A1 (de) * 1991-08-30 1993-03-03 Outokumpu Poricopper Oy Bimetallischer Münzrohling und Verfahren zu seiner Herstellung
EP0564667A1 (de) * 1992-04-02 1993-10-13 Krupp VDM GmbH Bimetallischer Münzrohling
FR2708836A1 (fr) * 1993-08-12 1995-02-17 Louyot Comptoir Lyon Alemand Procédé pour la fabrication de pièces métalliques multicolores, comme en particulier des pièces de monnaie, des médailles ou des jetons.
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.
EP1190638A2 (de) * 2000-09-09 2002-03-27 Schuler Held Lasertechnik GmbH & Co. KG Verfahren zur Herstellung mehrteiliger Münzen
ES2294882A1 (es) * 2005-02-01 2008-04-01 Compañia Europea De Cospeles, S.A. Procedimiento de fabricacion de cospeles y cospel obtenido.
CN103990739A (zh) * 2014-05-20 2014-08-20 郭婷月 一种工艺品一次成型冲床及加工方法
RU2664141C1 (ru) * 2018-01-24 2018-08-15 Акционерное общество "Гознак" (АО "Гознак") Устройство для изготовления композиционного изделия (варианты) и изделие, полученное при помощи этого устройства

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2744724C2 (ru) * 2017-11-09 2021-03-15 Закрытое акционерное общество "Завод "Композит" (ЗАО "Завод "Композит") Способ изготовления сувенирных биметаллических изделий

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0009029A1 (de) * 1978-02-20 1980-03-19 Hitachi, Ltd. Verfahren zum verbinden zweier teile
JPS583743A (ja) * 1981-07-01 1983-01-10 Hitachi Ltd 硬貨及びメダルの製造方法
EP0080437A1 (de) * 1981-08-27 1983-06-01 Istituto Poligrafico E Zecca Dello Stato Aus zwei zusammengesetzten Metallen bestehender Münzrohling zur Herstellung von Geldmünzen, Medaillen und ähnlichen Gegenständen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0009029A1 (de) * 1978-02-20 1980-03-19 Hitachi, Ltd. Verfahren zum verbinden zweier teile
JPS583743A (ja) * 1981-07-01 1983-01-10 Hitachi Ltd 硬貨及びメダルの製造方法
EP0080437A1 (de) * 1981-08-27 1983-06-01 Istituto Poligrafico E Zecca Dello Stato Aus zwei zusammengesetzten Metallen bestehender Münzrohling zur Herstellung von Geldmünzen, Medaillen und ähnlichen Gegenständen

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0415892A1 (de) * 1989-09-01 1991-03-06 Istituto Poligrafico E Zecca Dello Stato Bimetallischer Münzrohling, insbesondere für Münzen und dergleichen
DE4117618A1 (de) * 1991-05-29 1992-12-03 Deutsche Nickel Ag Zweiteiliger muenzrohling und verfahren zu dessen herstellung
EP0529349A1 (de) * 1991-08-30 1993-03-03 Outokumpu Poricopper Oy Bimetallischer Münzrohling und Verfahren zu seiner Herstellung
KR100226243B1 (ko) * 1992-04-02 1999-10-15 헤르다 빌프레트, 호이브너 울리히 코인블랭크
EP0564667A1 (de) * 1992-04-02 1993-10-13 Krupp VDM GmbH Bimetallischer Münzrohling
FR2708836A1 (fr) * 1993-08-12 1995-02-17 Louyot Comptoir Lyon Alemand Procédé pour la fabrication de pièces métalliques multicolores, comme en particulier des pièces de monnaie, des médailles ou des jetons.
WO1995005100A1 (fr) * 1993-08-12 1995-02-23 Comptoir Lyon-Alemand-Louyot Procede pour la fabrication de pieces metalliques multicolores, comme en particulier des pieces de monnaie, des medailles ou des jetons
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
EP1190638A2 (de) * 2000-09-09 2002-03-27 Schuler Held Lasertechnik GmbH & Co. KG Verfahren zur Herstellung mehrteiliger Münzen
EP1190638A3 (de) * 2000-09-09 2004-09-08 Schuler Held Lasertechnik GmbH & Co. KG Verfahren zur Herstellung mehrteiliger Münzen
ES2294882A1 (es) * 2005-02-01 2008-04-01 Compañia Europea De Cospeles, S.A. Procedimiento de fabricacion de cospeles y cospel obtenido.
CN103990739A (zh) * 2014-05-20 2014-08-20 郭婷月 一种工艺品一次成型冲床及加工方法
RU2664141C1 (ru) * 2018-01-24 2018-08-15 Акционерное общество "Гознак" (АО "Гознак") Устройство для изготовления композиционного изделия (варианты) и изделие, полученное при помощи этого устройства

Also Published As

Publication number Publication date
CA1317746C (en) 1993-05-18
PT89212B (pt) 1995-05-04
PT89212A (pt) 1990-06-29
DE3877502T2 (de) 1993-05-13
ES2037861T3 (es) 1993-07-01
UY23733A1 (es) 1994-03-09
EP0312436B1 (de) 1993-01-13
ATE84403T1 (de) 1993-01-15
GR3007496T3 (de) 1993-07-30
FR2621506A1 (fr) 1989-04-14
FR2621506B1 (fr) 1992-07-17
DE3877502D1 (de) 1993-02-25

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