GB2245283B - 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
GB2245283B
GB2245283B GB9111184A GB9111184A GB2245283B GB 2245283 B GB2245283 B GB 2245283B GB 9111184 A GB9111184 A GB 9111184A GB 9111184 A GB9111184 A GB 9111184A GB 2245283 B GB2245283 B GB 2245283B
Authority
GB
United Kingdom
Prior art keywords
nickel
coins
copper
making
coated
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.)
Expired - Lifetime
Application number
GB9111184A
Other languages
English (en)
Other versions
GB2245283A (en
GB9111184D0 (en
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
Publication of GB9111184D0 publication Critical patent/GB9111184D0/en
Publication of GB2245283A publication Critical patent/GB2245283A/en
Application granted granted Critical
Publication of GB2245283B publication Critical patent/GB2245283B/en
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)
GB9111184A 1990-06-21 1991-05-23 Coins coated with nickel, copper and nickel and process for making such coins Expired - Lifetime GB2245283B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002019568A CA2019568C (en) 1990-06-21 1990-06-21 Coins coated with nickel, copper and nickel and process for making such coins

Publications (3)

Publication Number Publication Date
GB9111184D0 GB9111184D0 (en) 1991-07-17
GB2245283A GB2245283A (en) 1992-01-02
GB2245283B true GB2245283B (en) 1994-12-14

Family

ID=4145302

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9111184A Expired - Lifetime GB2245283B (en) 1990-06-21 1991-05-23 Coins coated with nickel, copper and nickel and process for making such coins

Country Status (5)

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

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
AU2009202339C1 (en) * 2008-06-13 2012-03-22 Monnaie Royale Canadienne/ Royal Canadian Mint Control of electromagnetic signals of coins by multi-ply plating technology
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
CN103957742B (zh) * 2011-03-28 2017-07-28 加拿大皇家铸币厂 用于减少铸造产品上的赠品材料的***和方法
KR101395679B1 (ko) * 2011-05-27 2014-05-15 롬 앤드 하스 일렉트로닉 머트어리얼즈, 엘.엘.씨. 폴리머 조성물 및 폴리머를 포함하는 포토레지스트
BR112014005863A2 (pt) 2011-09-13 2017-04-04 Monnaie Royale Canadienne/Royal Canadian Mint alumínio zincado
DE102011121952A1 (de) 2011-12-22 2013-06-27 Saxonia Eurocoin Gmbh Galvanisch beschichtete Münzronde
CA2866193A1 (en) 2012-02-27 2013-09-06 Saxonia Eurocoin Gmbh Coin blank and method for the production thereof
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
CN105750842B (zh) * 2016-04-29 2018-03-13 成都九十度工业产品设计有限公司 一种贵金属纪念币的加工方法
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***
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

Citations (6)

* 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
US4279968A (en) * 1979-04-20 1981-07-21 Sherritt Gordon Mines Limited Coins and similarly disc-shaped articles
GB2102708A (en) * 1981-07-28 1983-02-09 Sherritt Gordon Mines Ltd Process for producing coin blanks
EP0163419A2 (de) * 1984-05-01 1985-12-04 Sherritt Gordon Mines Limited Goldene Münzen, Medaillons und Spielmarken und Verfahren zu ihrer Herstellung
EP0450883A2 (de) * 1990-04-02 1991-10-09 Sherritt Inc. Elektroplattierter Rohling für Münzen, Medaillons, Wertmarken oder Plaketten

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 Arthur G. Mcmullen Nickel clad steel coinage blank
EP0032960B1 (de) * 1980-01-23 1983-10-19 The Dow Chemical Company Verfahren zum Elektroplattieren eines porösen Körpers
CA1198073A (en) * 1981-07-28 1985-12-17 Michael J.H. Ruscoe 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

Patent Citations (6)

* 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
US4279968A (en) * 1979-04-20 1981-07-21 Sherritt Gordon Mines Limited Coins and similarly disc-shaped articles
GB2102708A (en) * 1981-07-28 1983-02-09 Sherritt Gordon Mines Ltd Process for producing coin blanks
EP0163419A2 (de) * 1984-05-01 1985-12-04 Sherritt Gordon Mines Limited Goldene Münzen, Medaillons und Spielmarken und Verfahren zu ihrer Herstellung
EP0450883A2 (de) * 1990-04-02 1991-10-09 Sherritt Inc. Elektroplattierter Rohling für Münzen, Medaillons, Wertmarken oder Plaketten

Also Published As

Publication number Publication date
DE4120291C2 (de) 1996-08-01
CN1057496A (zh) 1992-01-01
CA2019568A1 (en) 1991-12-21
GB2245283A (en) 1992-01-02
DE4120291A1 (de) 1992-01-09
GB9111184D0 (en) 1991-07-17
CA2019568C (en) 1998-11-24
CN1022699C (zh) 1993-11-10
ZA913677B (en) 1992-02-26

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20110522