CA1198073A - Process for producing coin blanks - Google Patents

Process for producing coin blanks

Info

Publication number
CA1198073A
CA1198073A CA000406905A CA406905A CA1198073A CA 1198073 A CA1198073 A CA 1198073A CA 000406905 A CA000406905 A CA 000406905A CA 406905 A CA406905 A CA 406905A CA 1198073 A CA1198073 A CA 1198073A
Authority
CA
Canada
Prior art keywords
cores
process according
hardness
cooled
core
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
Application number
CA000406905A
Other languages
English (en)
French (fr)
Inventor
Michael J.H. Ruscoe
Maurice A. Clegg
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.)
Westaim Corp
Original Assignee
Viridian Inc Canada
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=10523553&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA1198073(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Viridian Inc Canada filed Critical Viridian Inc Canada
Application granted granted Critical
Publication of CA1198073A publication Critical patent/CA1198073A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electroplating Methods And Accessories (AREA)
CA000406905A 1981-07-28 1982-07-08 Process for producing coin blanks Expired CA1198073A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8123248 1981-07-28
GB8123248 1981-07-28

Publications (1)

Publication Number Publication Date
CA1198073A true CA1198073A (en) 1985-12-17

Family

ID=10523553

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000406905A Expired CA1198073A (en) 1981-07-28 1982-07-08 Process for producing coin blanks

Country Status (2)

Country Link
CA (1) CA1198073A (de)
DE (1) DE3227048A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5139886A (en) * 1990-06-21 1992-08-18 Royal Canadian Mint Coins coated with nickel, copper and nickel
US5151167A (en) * 1990-06-21 1992-09-29 Royal Canadian Mint Coins coated with nickel, copper and nickel and process for making such coins
US6656606B1 (en) 2000-08-17 2003-12-02 The Westaim Corporation Electroplated aluminum parts and process of production

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3940244A1 (de) * 1989-12-05 1991-06-06 Ver Deutsche Nickel Werke Ag V Muenzrohling und verfahren zu dessen herstellung
CA2019568C (en) * 1990-06-21 1998-11-24 Hieu C. Truong Coins coated with nickel, copper and nickel and process for making such coins
DE4035738A1 (de) * 1990-11-09 1992-05-14 Deutsche Nickel Ag Verfahren zur herstellung von zweiteiligen muenzrohlingen und derartiger muenzrohling

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4089753A (en) * 1974-09-16 1978-05-16 Sherritt Gordon Mines Limited Process for the production of nickel clad steel coinage blank
CA1015905A (en) * 1974-09-16 1977-08-23 Arthur G. Mcmullen Nickel clad steel coinage blank
CA1101363A (en) * 1978-10-31 1981-05-19 Michael J.H. Ruscoe Process for the production of coin blanks
US4247374A (en) * 1979-04-20 1981-01-27 Sherritt Gordon Mines Limited Method of forming blanks for coins

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5139886A (en) * 1990-06-21 1992-08-18 Royal Canadian Mint Coins coated with nickel, copper and nickel
US5151167A (en) * 1990-06-21 1992-09-29 Royal Canadian Mint Coins coated with nickel, copper and nickel and process for making such coins
US6656606B1 (en) 2000-08-17 2003-12-02 The Westaim Corporation Electroplated aluminum parts and process of production
US6692630B2 (en) 2000-08-17 2004-02-17 The Westaim Corporation Electroplated aluminum parts and process for production

Also Published As

Publication number Publication date
DE3227048C2 (de) 1990-10-25
DE3227048A1 (de) 1983-02-17

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Legal Events

Date Code Title Description
MKEX Expiry