US371248A - Process of coating iron with tin or its alloys or other metals - Google Patents
Process of coating iron with tin or its alloys or other metals Download PDFInfo
- Publication number
- US371248A US371248A US371248DA US371248A US 371248 A US371248 A US 371248A US 371248D A US371248D A US 371248DA US 371248 A US371248 A US 371248A
- Authority
- US
- United States
- Prior art keywords
- iron
- metal
- alloys
- metals
- tin
- 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
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title description 75
- 229910052742 iron Inorganic materials 0.000 title description 38
- 229910052751 metal Inorganic materials 0.000 title description 27
- 239000002184 metal Substances 0.000 title description 27
- 239000011248 coating agent Substances 0.000 title description 10
- 238000000576 coating method Methods 0.000 title description 10
- 229910045601 alloy Inorganic materials 0.000 title description 7
- 239000000956 alloy Substances 0.000 title description 7
- 150000002739 metals Chemical class 0.000 title description 7
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 title description 4
- 238000000034 method Methods 0.000 title description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 7
- 229910052725 zinc Inorganic materials 0.000 description 7
- 239000011701 zinc Substances 0.000 description 7
- 238000004070 electrodeposition Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229910021653 sulphate ion Inorganic materials 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910001296 Malleable iron Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- LQBJWKCYZGMFEV-UHFFFAOYSA-N lead tin Chemical compound [Sn].[Pb] LQBJWKCYZGMFEV-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
- C23C2/026—Deposition of sublayers, e.g. adhesion layers or pre-applied alloying elements or corrosion protection
Definitions
- T0 (tZZ whom it may concern:
- this invention consists in first preparing and coating the iron with iron, which is done by an electro-deposition thereof, and in then coating the soprepared iron with another and different metal or metals fusible at low degrees of heat as compared with iron such as tin or its alloys, zinc or its alloys, either separate or in any desired suitable eombinationsby dippingitin a bath ofsuch metal or metals in a molten state.
- the iron which is to be used for preparing the iron sun face previous to coating it with another and diiierent metal or metals-such as above stated-4s in a state of solution, composed of equal parts of the sulphate of iron and of the sulphate ofamnionia, or their respective equiv alents, and of water in sullicient quantity for the solution, and in this state it is then electrodeposited upon the iron by the ordinary and well-known process, or otherwise, of the electro-depositiou of metal upon metal, the whole thereby preparing the iron with a film or layer of iron which is practically pure and free of impurities.
- this deposit It is preferable and desirable to have this deposit of a white silvery color or appearance, and this is secured with a com paratively weak current of electricity, and increasing the strength of the current deepens or darkens the color of the deposit, which, if the current is sufficiently strong, becomes black.
- the anode or plate used may be either of iron or steel. If iron, then the deposit secured is soft, and if steel, then the deposit secured is hard, resembling steel.
- the articles which are being coated should remain under the action of the electric current for about an hour.
- the soprepared iron is then to be coated with the other and difl'erent metal or metals desired or required, as above statedfor instance, tin or its alloys or zinc or its alloys and this is accomplished by dipping the so-prepared iron in a bath of the metal or metals with which it is to be coated in a molten condition.
Description
UNITED STATES PATENT OFFICE.
EDWARD I. ERADDOGK, OF MEDFORD, MASSACHUSETTS.
PROCESS OF COATING IRON WITH TIN OR ITS ALLOYS OR OTHER METALS.
SPECIFICATION forming part of Letters Patent No. 371,248, dated October 11, 1887.
Application filed September 7, 1886. Serial No. 212,939. (No specimens.)
T0 (tZZ whom it may concern:
Be it known that I, EDWARD I. BRADDOCK, of Medford, in the county of Middlesex and State of Massachusetts, have invented a new and useful Improvement in Processes of Goati-ng Iron with Iron or with other Metals, of which the following is a clear, full. and exact description.
As well known, in the coating of cast or malleableiron with another and different metal or mctalssuch as tin or its alloys, zinc orits alloys-it is difficult to secure a perfect and uniform adhesion between the metal. iron, and the other metal or metals with which it is coated, or, in other words, a perfect and uni form deposition of the coating metal upon the surface of the iron; and it is the object of this invention to remedy this difficulty.
To that end this invention consists in first preparing and coating the iron with iron, which is done by an electro-deposition thereof, and in then coating the soprepared iron with another and different metal or metals fusible at low degrees of heat as compared with iron such as tin or its alloys, zinc or its alloys, either separate or in any desired suitable eombinationsby dippingitin a bath ofsuch metal or metals in a molten state.
In carrying out this invention the iron which is to be used for preparing the iron sun face previous to coating it with another and diiierent metal or metals-such as above stated-4s in a state of solution, composed of equal parts of the sulphate of iron and of the sulphate ofamnionia, or their respective equiv alents, and of water in sullicient quantity for the solution, and in this state it is then electrodeposited upon the iron by the ordinary and well-known process, or otherwise, of the electro-depositiou of metal upon metal, the whole thereby preparing the iron with a film or layer of iron which is practically pure and free of impurities. It is preferable and desirable to have this deposit of a white silvery color or appearance, and this is secured with a com paratively weak current of electricity, and increasing the strength of the current deepens or darkens the color of the deposit, which, if the current is sufficiently strong, becomes black. The anode or plate used may be either of iron or steel. If iron, then the deposit secured is soft, and if steel, then the deposit secured is hard, resembling steel.
The articles which are being coated should remain under the action of the electric current for about an hour. The soprepared iron is then to be coated with the other and difl'erent metal or metals desired or required, as above statedfor instance, tin or its alloys or zinc or its alloys and this is accomplished by dipping the so-prepared iron in a bath of the metal or metals with which it is to be coated in a molten condition.
I am aware that iron has been coated with copper, zinc, and nickel by electrofdeposition, and that the so-coatcd iron has been coated with another metal by its immersion in that metal in molten state; and I am also aware that iron has been coated with iron by electrodeposition, and that the so-ironcoatcd iron has been coated with gold, silver, platinum, or copper by electrodeposition; but I am not aware that so-iron-coated iron has been coated with a metal-such as zinc, lead, or tin-fusible at low degrees of heat, as compared with iron in a molten condition, by immersing the iron therein.
I do not claim, broadly, coating iron coated with iron by electro deposition ith another metal, as I am aware that it is not new; nor do I claim it to be new to directly coat iron by electrodeposition with another metal, or by the immersion of the iron in a solution of the metal or in the molten metal; but- \Vhat I do claim as my invention, and desire to secure by Letters Patent, is
In the coating of iron with zinc, tin lead, or other metal and their alloys fusible at low degrees of heat as compared with the iron, first coating the iron with iron by electro-deposition, and then coating the so iron-coated iron with zinc or other metal by immersing theiron in said metal in a molten comlition,substantially as described.
In testimony whereof I have hereunto set my hand in the presence of two subscribing witnesses.
E. I. BR ADDOCK.
Witnesses:
ALBERT W. BROWN, Fairness M. BROWN.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US371248A true US371248A (en) | 1887-10-11 |
Family
ID=2440259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US371248D Expired - Lifetime US371248A (en) | Process of coating iron with tin or its alloys or other metals |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US371248A (en) |
-
0
- US US371248D patent/US371248A/en not_active Expired - Lifetime
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