ZA913677B - Coins coated with nickel,copper and nickel and process for making such coins - Google Patents

Coins coated with nickel,copper and nickel and process for making such coins

Info

Publication number
ZA913677B
ZA913677B ZA913677A ZA913677A ZA913677B ZA 913677 B ZA913677 B ZA 913677B ZA 913677 A ZA913677 A ZA 913677A ZA 913677 A ZA913677 A ZA 913677A ZA 913677 B ZA913677 B ZA 913677B
Authority
ZA
South Africa
Prior art keywords
nickel
coins
copper
making
coated
Prior art date
Application number
ZA913677A
Other languages
English (en)
Inventor
Hieu C Truong
C Truong Hieu
Maria Dillay
Dillay Maria
Original Assignee
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 Canadian Mint filed Critical Canadian Mint
Publication of ZA913677B publication Critical patent/ZA913677B/xx

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)
ZA913677A 1990-06-21 1991-05-15 Coins coated with nickel,copper and nickel and process for making such coins ZA913677B (en)

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 (1)

Publication Number Publication Date
ZA913677B true ZA913677B (en) 1992-02-26

Family

ID=4145302

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA913677A ZA913677B (en) 1990-06-21 1991-05-15 Coins coated with nickel,copper and nickel and process for making such coins

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)

Families Citing this family (19)

* 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
JP3253945B2 (ja) * 1999-01-25 2002-02-04 三桜工業株式会社 被覆鋼材
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
CL2009001397A1 (es) 2008-06-13 2010-11-12 Monnaie Royale Canadienne/Royal Canadian Mint Moneda de compuestos metalicos con una firma magnetica modulada que comprende una capa nucleo y al menos dos capas galvanizadas sobre la capa nucleo, de metales magneticos o no magneticos o aleaciones, las al menos dos capas teniendo un grosor seleccionado segun sus propiedades electromagneticas.
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
CA2831624C (fr) 2011-03-28 2018-10-02 Monnaie Royale Canadienne/Royal Canadian Mint Systeme et procede pour reduire le materiau excedentaire 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
EP2756116B1 (fr) * 2011-09-13 2016-05-18 Monnaie Royale Canadienne/Royal Canadian Mint Zingage d'aluminium
DE102011121952A1 (de) 2011-12-22 2013-06-27 Saxonia Eurocoin Gmbh Galvanisch beschichtete Münzronde
WO2013127405A1 (fr) 2012-02-27 2013-09-06 Saxonia Eurocoin Gmbh Flan (coin blank) et procédé pour sa production
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
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
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
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
DE3065335D1 (en) * 1980-01-23 1983-11-24 Dow Chemical Co Method of electroplating a porous body
CA1198073A (fr) * 1981-07-28 1985-12-17 Michael J.H. Ruscoe Methode de production d'ebauches de pieces de monnaie
GB2102708B (en) * 1981-07-28 1984-11-21 Sherritt Gordon Mines Ltd Process for producing coin blanks
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

Also Published As

Publication number Publication date
DE4120291C2 (de) 1996-08-01
DE4120291A1 (de) 1992-01-09
CN1022699C (zh) 1993-11-10
GB2245283A (en) 1992-01-02
GB2245283B (en) 1994-12-14
CN1057496A (zh) 1992-01-01
CA2019568C (fr) 1998-11-24
CA2019568A1 (fr) 1991-12-21
GB9111184D0 (en) 1991-07-17

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