CA2019568A1 - Pieces de monnaie avec revetement nickel-cuivre-nickel, et nethode de fabrication desdites pieces - Google Patents

Pieces de monnaie avec revetement nickel-cuivre-nickel, et nethode de fabrication desdites pieces

Info

Publication number
CA2019568A1
CA2019568A1 CA2019568A CA2019568A CA2019568A1 CA 2019568 A1 CA2019568 A1 CA 2019568A1 CA 2019568 A CA2019568 A CA 2019568A CA 2019568 A CA2019568 A CA 2019568A CA 2019568 A1 CA2019568 A1 CA 2019568A1
Authority
CA
Canada
Prior art keywords
nickel
coins
current density
copper
making
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
CA2019568A
Other languages
English (en)
Other versions
CA2019568C (fr
Inventor
Hieu C. Truong
Maria Dilay
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.)
Royal Canadian Mint
Original Assignee
Royal Canadian Mint
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 Royal Canadian Mint filed Critical Royal Canadian Mint
Priority to CA002019568A priority Critical patent/CA2019568C/fr
Priority to ZA913677A priority patent/ZA913677B/xx
Priority to GB9111184A priority patent/GB2245283B/en
Priority to DE4120291A priority patent/DE4120291C2/de
Priority to CN91104008A priority patent/CN1022699C/zh
Priority to US07/723,325 priority patent/US5139886A/en
Priority to US07/801,636 priority patent/US5151167A/en
Publication of CA2019568A1 publication Critical patent/CA2019568A1/fr
Application granted granted Critical
Publication of CA2019568C publication Critical patent/CA2019568C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/60—Electroplating characterised by the structure or texture of the layers
    • C25D5/615—Microstructure of the layers, e.g. mixed structure
    • C25D5/617—Crystalline layers
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/10—Electroplating with more than one layer of the same or of different metals
    • C25D5/12—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/48—After-treatment of electroplated surfaces
    • C25D5/50—After-treatment of electroplated surfaces by heat-treatment
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/60—Electroplating characterised by the structure or texture of the layers
    • C25D5/605—Surface topography of the layers, e.g. rough, dendritic or nodular layers
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/60—Electroplating characterised by the structure or texture of the layers
    • C25D5/605—Surface topography of the layers, e.g. rough, dendritic or nodular layers
    • C25D5/611—Smooth layers
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/60—Electroplating characterised by the structure or texture of the layers
    • C25D5/623—Porosity of the layers
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/627—Electroplating characterised by the visual appearance of the layers, e.g. colour, brightness or mat appearance
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D7/00—Electroplating characterised by the article coated
    • C25D7/005—Jewels; Clockworks; Coins

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Electroplating And Plating Baths Therefor (AREA)
CA002019568A 1990-06-21 1990-06-21 Pieces de monnaie avec revetement nickel-cuivre-nickel, et nethode de fabrication desdites pieces Expired - Lifetime CA2019568C (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
CA002019568A CA2019568C (fr) 1990-06-21 1990-06-21 Pieces de monnaie avec revetement nickel-cuivre-nickel, et nethode de fabrication desdites pieces
ZA913677A ZA913677B (en) 1990-06-21 1991-05-15 Coins coated with nickel,copper and nickel and process for making such coins
GB9111184A GB2245283B (en) 1990-06-21 1991-05-23 Coins coated with nickel, copper and nickel and process for making such coins
DE4120291A DE4120291C2 (de) 1990-06-21 1991-06-19 Rohling für eine Münze und dergleichen und Verfahren zu seiner Herstellung
CN91104008A CN1022699C (zh) 1990-06-21 1991-06-21 硬币坯件、硬币和类似制品及其制造方法
US07/723,325 US5139886A (en) 1990-06-21 1991-06-28 Coins coated with nickel, copper and nickel
US07/801,636 US5151167A (en) 1990-06-21 1991-12-04 Coins coated with nickel, copper and nickel and process for making such coins

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002019568A CA2019568C (fr) 1990-06-21 1990-06-21 Pieces de monnaie avec revetement nickel-cuivre-nickel, et nethode de fabrication desdites pieces

Publications (2)

Publication Number Publication Date
CA2019568A1 true CA2019568A1 (fr) 1991-12-21
CA2019568C CA2019568C (fr) 1998-11-24

Family

ID=4145302

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002019568A Expired - Lifetime CA2019568C (fr) 1990-06-21 1990-06-21 Pieces de monnaie avec revetement nickel-cuivre-nickel, et nethode de fabrication desdites pieces

Country Status (5)

Country Link
CN (1) CN1022699C (fr)
CA (1) CA2019568C (fr)
DE (1) DE4120291C2 (fr)
GB (1) GB2245283B (fr)
ZA (1) ZA913677B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2143829A2 (fr) 2008-06-13 2010-01-13 Monnaie Royale Canadienne/Royal Contrôle des signaux électromagnétiques de pièces par une technologie de plaquage à plusieurs épaisseurs
US9540735B2 (en) 2011-09-13 2017-01-10 Royal Canadian Mint Zincating aluminum

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19646657C1 (de) * 1996-11-12 1998-01-08 Krupp Vdm Gmbh Schichtverbundwerkstoff und seine Verwendung für Münzen
US6291083B1 (en) * 1999-01-25 2001-09-18 Sanoh Kogyo Kabushiki Kaisha Steel product with plating layers
DE10303835A1 (de) * 2003-01-30 2004-08-12 Saxonia Eurocoin Gmbh Galvanik Und Ronden Münzrohling aus einer CuAlZnSn-Legierung für eine Spiegelglanzprägung und Verfahren zu seiner Herstellung
FI121815B (fi) * 2007-06-20 2011-04-29 Outotec Oyj Menetelmä rakennemateriaalin pinnoittamiseksi funktionaalisella metallilla ja menetelmällä valmistettu tuote
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
DE102009041250B4 (de) * 2009-09-11 2011-09-01 Umicore Galvanotechnik Gmbh Verfahren zur elektrolytischen Verkupferung von Zinkdruckguss mit verringerter Neigung zur Blasenbildung
DE102010044741A1 (de) 2010-09-08 2012-03-08 Saxonia Eurocoin Gmbh Münzrohling
WO2012129691A1 (fr) 2011-03-28 2012-10-04 Monnaie Royale Canadienne / Royal Canadian Mint Système et procédé pour réduire le matériau excédentaire sur les produits de monnaie
KR101395679B1 (ko) * 2011-05-27 2014-05-15 롬 앤드 하스 일렉트로닉 머트어리얼즈, 엘.엘.씨. 폴리머 조성물 및 폴리머를 포함하는 포토레지스트
DE102011121952A1 (de) 2011-12-22 2013-06-27 Saxonia Eurocoin Gmbh Galvanisch beschichtete Münzronde
RU2014134922A (ru) 2012-02-27 2016-04-20 Саксония Еврокоин Гмбх Заготовка монеты и способ ее изготовления
CN103290447A (zh) * 2013-05-30 2013-09-11 延康汽车零部件如皋有限公司 预镀铜二阶升流工艺
CN107299369B (zh) * 2016-04-15 2019-08-20 南京造币有限公司 一种表面包覆铜镍合金硬币类产品及其制造方法
CN107825086A (zh) * 2016-04-29 2018-03-23 成都九十度工业产品设计有限公司 一种贵金属物品的加工方法
CN106191976B (zh) * 2016-08-30 2018-07-06 南京中钞长城金融设备有限公司 一种贵金属镀膜线系统
CN106191972B (zh) * 2016-08-30 2018-07-06 南京中钞长城金融设备有限公司 一种贵金属镀膜线夹具
CN107117690B (zh) * 2017-06-22 2021-01-22 天津碧水源膜材料有限公司 电催化氧化处理难降解污染物的装置及方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB523322A (en) * 1937-12-30 1940-07-11 Revere Copper & Brass Inc Improvements in and relating to methods of and apparatus for coating stainless steelsurfaces
GB897279A (en) * 1960-02-29 1962-05-23 Harshaw Chem Corp Corrosion resistant metal coatings
US3616286A (en) * 1969-09-15 1971-10-26 United Aircraft Corp Automatic process and apparatus for uniform electroplating within porous structures
CA1015905A (en) * 1974-09-16 1977-08-23 Sherritt Gordon Mines Limited Nickel clad steel coinage blank
US4279968A (en) * 1979-04-20 1981-07-21 Sherritt Gordon Mines Limited Coins and similarly disc-shaped articles
EP0032960B1 (fr) * 1980-01-23 1983-10-19 The Dow Chemical Company Procédé de placage électrolytique d'un corps poreux
GB2102708B (en) * 1981-07-28 1984-11-21 Sherritt Gordon Mines Ltd Process for producing coin blanks
CA1198073A (fr) * 1981-07-28 1985-12-17 Michael J.H. Ruscoe Methode de production d'ebauches de pieces de monnaie
US4418125A (en) * 1982-12-06 1983-11-29 Henricks John A Multi-layer multi-metal electroplated protective coating
US4551184A (en) * 1983-06-13 1985-11-05 Inco Limited Process for obtaining a composite material and composite material obtained by said process
CA1219708A (fr) * 1984-05-01 1987-03-31 Michael J.H. Ruscoe Monnaies, medaillons et jetons ayant l'apparence de l'or
CA2013639C (fr) * 1990-04-02 1998-06-23 Mitsuhiro Yasuda Flan electroplaque pour monnaie, medaillon et jeton

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2143829A2 (fr) 2008-06-13 2010-01-13 Monnaie Royale Canadienne/Royal Contrôle des signaux électromagnétiques de pièces par une technologie de plaquage à plusieurs épaisseurs
US9447515B2 (en) 2008-06-13 2016-09-20 Royal Canadian Mint Control of electromagnetic signals of coins through multi-ply plating technology
US9540735B2 (en) 2011-09-13 2017-01-10 Royal Canadian Mint Zincating aluminum

Also Published As

Publication number Publication date
CN1022699C (zh) 1993-11-10
CN1057496A (zh) 1992-01-01
GB2245283A (en) 1992-01-02
ZA913677B (en) 1992-02-26
DE4120291C2 (de) 1996-08-01
CA2019568C (fr) 1998-11-24
GB2245283B (en) 1994-12-14
DE4120291A1 (de) 1992-01-09
GB9111184D0 (en) 1991-07-17

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Legal Events

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