CA1198073A - Process for producing coin blanks - Google Patents
Process for producing coin blanksInfo
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000005253 cladding Methods 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 238000009713 electroplating Methods 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 238000007747 plating Methods 0.000 claims abstract description 3
- 235000019589 hardness Nutrition 0.000 claims abstract 12
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 30
- 229910052759 nickel Inorganic materials 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 229910052799 carbon Inorganic materials 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- 239000010949 copper Substances 0.000 claims description 11
- 229910052802 copper Inorganic materials 0.000 claims description 11
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 229910000906 Bronze Inorganic materials 0.000 claims description 4
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 4
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 4
- 239000010974 bronze Substances 0.000 claims description 4
- 229910000570 Cupronickel Inorganic materials 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910001297 Zn alloy Inorganic materials 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 238000007654 immersion Methods 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000000137 annealing Methods 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 238000010583 slow cooling Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- -1 bronze) Chemical compound 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
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)
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 (enrdf_load_stackoverflow) |
| DE (1) | DE3227048A1 (enrdf_load_stackoverflow) |
Cited By (3)
| 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)
| 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)
| 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 |
-
1982
- 1982-07-08 CA CA000406905A patent/CA1198073A/en not_active Expired
- 1982-07-20 DE DE19823227048 patent/DE3227048A1/de active Granted
Cited By (4)
| 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 (enrdf_load_stackoverflow) | 1990-10-25 |
| DE3227048A1 (de) | 1983-02-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |