US242624A - Process of coating metals with lead - Google Patents
Process of coating metals with lead Download PDFInfo
- Publication number
- US242624A US242624A US242624DA US242624A US 242624 A US242624 A US 242624A US 242624D A US242624D A US 242624DA US 242624 A US242624 A US 242624A
- Authority
- US
- United States
- Prior art keywords
- lead
- zinc
- tin
- nickel
- iron
- 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
- 239000011248 coating agent Substances 0.000 title description 10
- 238000000576 coating method Methods 0.000 title description 10
- 229910052751 metal Inorganic materials 0.000 title description 10
- 239000002184 metal Substances 0.000 title description 10
- 150000002739 metals Chemical class 0.000 title description 6
- 238000000034 method Methods 0.000 title description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 18
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 17
- 229910052725 zinc Inorganic materials 0.000 description 17
- 239000011701 zinc Substances 0.000 description 17
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 16
- 239000011133 lead Substances 0.000 description 13
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 10
- 229910052718 tin Inorganic materials 0.000 description 10
- 239000011135 tin Substances 0.000 description 10
- 229910052742 iron Inorganic materials 0.000 description 9
- 229910052759 nickel Inorganic materials 0.000 description 7
- 229910045601 alloy Inorganic materials 0.000 description 6
- 239000000956 alloy Substances 0.000 description 6
- 229910001018 Cast iron Inorganic materials 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910000990 Ni alloy Inorganic materials 0.000 description 3
- 229910000754 Wrought iron Inorganic materials 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 241001072332 Monia Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003472 neutralizing effect Effects 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S205/00—Electrolysis: processes, compositions used therein, and methods of preparing the compositions
- Y10S205/917—Treatment of workpiece between coating steps
Definitions
- the object of my invention is to thoroughly and effectively coat castiron or sheets of wrought or cast iron or other metals with pure lead, or with zinc or tin, in such manner that the metal coated will be protected against oxidation and its durability and tenacity preserved, and in such manner that there will be no formation of dross in the molten baths; and to this end my invention consists, essentially, in protecting or preparing the surfaces to be coated by depositing upon them, by electroplating or otherwise, a thin coating of nickel, or an alloy of nickel and aluminium.
- I claim as new and of my invention 1s A process ofcoatin g iron sheets and castings with pure lead, tin, or zinc, which consists in first electroplating the iron surfaces with nickel and then immersing them in the molten metal, as described.
Description
IINITED STATEs PATENT OFFICE.
W'ILLIAM FRISHMU'IH, OF PHILADELPHIA, PENNSYLVANIA.
PROCESS OF COATING METALS WI-TH LEAD, ZINC, OR TIN.
SPECIFICATION forming part of Letters Patent No. 242,624, dated June '7, 1881. Application filed March 5, 1881. (No specimens.)
Toall whom it may concern:
Be it known that I, WILLIAM FRIsHMU'rII, of Philadelphia, in the county of Philadelphia and State of Pennsylvania, have invented a new and useful Improvement in Process of Coating Metals with Lead, Zinc, or Tin, of which the following is a specification.
Heretofore alloys in which lead forms a component part have been used for coating cast and wrought iron to protect the same against oxidation, and zinc and tin alone are in common use for this purpose; but several objections and difficulties attend the use of these materials when applied by the methods now known-as, for instance, when zinc or tin is used and applied directly upon the iron the zinc attacks the iron in such manner as to injure its durability and tenacity, and tbismis,
also trllcof such alloys as antimony, bismuth, and lead, and nickel, tin, zinc, and lead; and, besides, in applying these alloys or the zinc a dross is formed in the molten baths, which is troublesome to remove, and results in a loss of metal, and wrought or cast iron has never been successfully coated with unalloyed lead.
The object of my invention is to thoroughly and effectively coat castiron or sheets of wrought or cast iron or other metals with pure lead, or with zinc or tin, in such manner that the metal coated will be protected against oxidation and its durability and tenacity preserved, and in such manner that there will be no formation of dross in the molten baths; and to this end my invention consists, essentially, in protecting or preparing the surfaces to be coated by depositing upon them, by electroplating or otherwise, a thin coating of nickel, or an alloy of nickel and aluminium.
In carrying my invention into effect I first clean the surfaces to be coated by immersing them in acid and neutralizing baths,and then coat them with a thin coating of an alloy of aluminium and nickel by GIOOEFOIJlZttiDg the same in my solution for depositing nickel alloy, which was patented to me December 30, 1879, or with a thin coating of nickel. After this 1 heat the plated surfaces to a cherry-red heat, and then immerse them, while hot, in a molten bath of pure lead or Zinc or tin, which has been previously fluxed on the surface of the bath with either powdered chloride of am-* monia or other suitable fluxes, leaving them in the bath only for a short time, when it will be found that the surfaces are thoroughly and perfectly coated.
Instead of heating the surfaces to be coated as above stated, they may be immersed in the molten bath directly from the plating solution.
Metals coated in this manner are perfectly protected against oxidation, and the durability and tenacity thereof are not injured, as when coated in the ordinary manner with zinc or tin, or with the alloys above mentioned, and no dross whatever will be formed in the heated baths of lead or zinc, as neither the lead nor zinc attacks the iron surfaces as heretofore. Besides, when the surfaces are previously coated with the alloyed aluminium and nickel, or with the nickel alone, the zinc will present finer crystals and the ductility of the zinc will be improved to such an extent that it will not scale off or break when bent or formedup in dies, as is the case with ordinary galvanized iron.
I am aware that a thin coating of copper has been deposited on an iron surface before it was treated in a bath of molten tin, zinc, or alloy; but my object is to cover iron sheets or castings with pure lead by first electro-nickel-plating the iron, and then placing-it in the molten lead, tin, or zinc bath. I have ascertained by careful experiment that a copper coating will come offin the bath, while the nickel coating is not affected at all, and, being a much harder metal, will not alloy, like copper, with the other metals.
that I claim as new and of my invention 1s A process ofcoatin g iron sheets and castings with pure lead, tin, or zinc, which consists in first electroplating the iron surfaces with nickel and then immersing them in the molten metal, as described.
WILLIAM FRISHMUTH.
Witnesses:
J OHN W. O. MAYWEY, J osEPH KIRCHHEIMER.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US242624A true US242624A (en) | 1881-06-07 |
Family
ID=2311958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US242624D Expired - Lifetime US242624A (en) | Process of coating metals with lead |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US242624A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2586142A (en) * | 1947-11-10 | 1952-02-19 | British Non Ferrous Metals Res | Process for the production of lead coatings |
| US3216077A (en) * | 1961-09-01 | 1965-11-09 | Commissariat Energie Atomique | Process for making a lead screen |
-
0
- US US242624D patent/US242624A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2586142A (en) * | 1947-11-10 | 1952-02-19 | British Non Ferrous Metals Res | Process for the production of lead coatings |
| US3216077A (en) * | 1961-09-01 | 1965-11-09 | Commissariat Energie Atomique | Process for making a lead screen |
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