US1104842A - Method of plating. - Google Patents
Method of plating. Download PDFInfo
- Publication number
- US1104842A US1104842A US82157614A US1914821576A US1104842A US 1104842 A US1104842 A US 1104842A US 82157614 A US82157614 A US 82157614A US 1914821576 A US1914821576 A US 1914821576A US 1104842 A US1104842 A US 1104842A
- Authority
- US
- United States
- Prior art keywords
- plating
- gold
- article
- layer
- solder
- 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
- 238000007747 plating Methods 0.000 title description 24
- 238000000034 method Methods 0.000 title description 15
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 17
- 229910052737 gold Inorganic materials 0.000 description 17
- 239000010931 gold Substances 0.000 description 17
- 229910000679 solder Inorganic materials 0.000 description 16
- 239000010953 base metal Substances 0.000 description 7
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 229910052709 silver Inorganic materials 0.000 description 6
- 239000004332 silver Substances 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 229910052700 potassium Inorganic materials 0.000 description 5
- 239000011591 potassium Substances 0.000 description 5
- 229910052725 zinc Inorganic materials 0.000 description 5
- 239000011701 zinc Substances 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- 235000010338 boric acid Nutrition 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 229960002645 boric acid Drugs 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
- C25D5/10—Electroplating with more than one layer of the same or of different metals
-
- 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
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/922—Static electricity metal bleed-off metallic stock
- Y10S428/9335—Product by special process
- Y10S428/934—Electrical process
- Y10S428/935—Electroplating
Definitions
- the first step in the process consists in depositing on the base metal a solder layer, which is accomplished by an electro-plating bath of the following compositions Chlorid of gold Gdwts. '("hlorid of silver 5 dwts. Chlorid of copper a- 3 dwts. Cyanid of potassium 8 oz.
- the article is ther. dipped in a flux solution which may conveniently be' Borax (or boracic acid) 11b. Water 1 qt.
- the article is then heated in a furnace or in a gas flame until the solder plating layer and the gold plating layer are fused into an integral layer.
- a temperature of about 1100 Fahrenheit is suitable for this step.
- the process is applicable with appro riate soldering compositions to the plating 0 articles with various metals, as zinc, copper,
- gold solders may be used, if desired, of which one is made by the use of chlorids of gold, silver, copper and zinc, and
- cyanid of potassium In plating with silver, a solder solution may be made from chlorids of silver, copper and zinc, and cyanid of potassium, or chloride of silver and zinc, and cyanid .of potassium. A brass solder may be used, if desired, consisting of chlorids Of copper and zinc.
- the present method produces a durable plating.
- the outer layer of gold is united into an integral layer which is evidenced by the fact that if the article be placed in an acid which will dissolve the base metal, the plating of gold will be left as a continuous shell, whereas subjecting an article electroplated with gold to the action of an acid bath will result in the destruction of the article, the base metal being dissolved and the gold coming down as a powder.
- the invention is not limited to the specific details'of the process hereinabove described, as it contemplates broadly the plating of metal articles with a solder layer and an external covering layer, and a fusing of the two outer layers in order to unite them securely to the article plated.
- the method of plating which consists in electro-plat-ing the article with a solder layer-having as a eonstitutent some of the plating metal, in electr0-depositing on the solder layer a layer of plating metal, and in heating the article in a furnace to unite the article and the solder and plating layers, substantially as described.
- the method of plating which consists in electro-depositing on the base metal a gold solder layer, in electro-depositiug on the solder layer a gold layer, and in heating the article in a furnace at a temperature of about l100 Fahrenheit, substantially as described.
- the method of plating which consists in coating, the article with a solder layer having as a constituent some of the plating metal, in coating the solder layer with a layer of plating metal, and in heating the article to unite the solder and plating layers, substantially as described.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Coating With Molten Metal (AREA)
- Electroplating And Plating Baths Therefor (AREA)
Description
UNITED STAT S BATENT OFFICE.
JOSEPH A. SMITH, 0F ATTLEBORO, MASSACHUSETTS.
METHOD c1- ILATING.
No Drawing.
To all whom it may concern:
Be it known that I, JOSEPH A. SMITH, a citizen of the United States, residing at Attleboro, in the county of Bristol and State of "Massachusetts, have invented certain new the plating is united securely to the base metal.
To the above end the present invention consists in the method of plating hereinafter described and particularly defined in the claims.
Following is a description of the specific method which has been practised :T he article to be plated, herein called the base metal article, is cleaned and polished in the usual manner to prepare it for the electrodcposition of the plating. The first step in the process consists in depositing on the base metal a solder layer, which is accomplished by an electro-plating bath of the following compositions Chlorid of gold Gdwts. '("hlorid of silver 5 dwts. Chlorid of copper a- 3 dwts. Cyanid of potassium 8 oz.
\Vater 3 gals.
Cyanid of potassium 6 oz. Phosphate of soda 8 oz. \Vater 3 gals.
This plating of gold is continued until the solder coating becomes covered with a heavy deposit of gold, which is indicated by a Specification of Letters Patent.
Application filed February 27 1914. Serial No. 821,576.
Patented July 28, 1914.
smutted condition. The article is ther. dipped in a flux solution which may conveniently be' Borax (or boracic acid) 11b. Water 1 qt.
The article is then heated in a furnace or in a gas flame until the solder plating layer and the gold plating layer are fused into an integral layer. A temperature of about 1100 Fahrenheit is suitable for this step.
The process is applicable with appro riate soldering compositions to the plating 0 articles with various metals, as zinc, copper,
gold, silver, and others. In the specific process described it is to be observed that I the shell, after the process is completed, is
not 24 carat gold, but of lower carat, as a result of which it is much more durable than ordinary gold plating. \Vith the above-described process the plate will have a carat of about 16.
Various other gold solders may be used, if desired, of which one is made by the use of chlorids of gold, silver, copper and zinc, and
cyanid of potassium. In plating with silver, a solder solution may be made from chlorids of silver, copper and zinc, and cyanid of potassium, or chloride of silver and zinc, and cyanid .of potassium. A brass solder may be used, if desired, consisting of chlorids Of copper and zinc.
The present method produces a durable plating. In the specific process described, the outer layer of gold is united into an integral layer which is evidenced by the fact that if the article be placed in an acid which will dissolve the base metal, the plating of gold will be left as a continuous shell, whereas subjecting an article electroplated with gold to the action of an acid bath will result in the destruction of the article, the base metal being dissolved and the gold coming down as a powder.
The invention is not limited to the specific details'of the process hereinabove described, as it contemplates broadly the plating of metal articles with a solder layer and an external covering layer, and a fusing of the two outer layers in order to unite them securely to the article plated.
Having thus described the invention, what is claimed is 1. The method of plating which consists in coating the base metal with a gold solder, in gold plating the article and in heating the article, substantially as described.
2. The method of plating which consists in electro-plat-ing the article with a solder layer-having as a eonstitutent some of the plating metal, in electr0-depositing on the solder layer a layer of plating metal, and in heating the article in a furnace to unite the article and the solder and plating layers, substantially as described.
3. The method of plating which consists in electro-depositing on the base metal a gold solder layer, in electro-depositiug on the solder layer a gold layer, and in heating the article in a furnace at a temperature of about l100 Fahrenheit, substantially as described.
4. The method of plating which consists in coating, the article with a solder layer having as a constituent some of the plating metal, in coating the solder layer with a layer of plating metal, and in heating the article to unite the solder and plating layers, substantially as described.
JOSEPH A. SMITH.
\Vitnesses:
Lotus SWIG, JOSEPH B. SAYLES.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US82157614A US1104842A (en) | 1914-02-27 | 1914-02-27 | Method of plating. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US82157614A US1104842A (en) | 1914-02-27 | 1914-02-27 | Method of plating. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US1104842A true US1104842A (en) | 1914-07-28 |
Family
ID=3173036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US82157614A Expired - Lifetime US1104842A (en) | 1914-02-27 | 1914-02-27 | Method of plating. |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US1104842A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2654701A (en) * | 1950-06-08 | 1953-10-06 | Edwin R Calderon | Plating aluminum |
| US2799633A (en) * | 1956-05-29 | 1957-07-16 | Sel Rex Precious Metals Inc | Method and electrolyte for producing bright gold |
| US2812299A (en) * | 1949-05-05 | 1957-11-05 | Birle & Co K G | Electrolytic deposition of gold and gold alloys |
| US2978390A (en) * | 1957-07-22 | 1961-04-04 | Bell Telephone Labor Inc | Gold plating solutions |
| US2994126A (en) * | 1957-10-29 | 1961-08-01 | Porter Co Inc H K | Ferrous metal body with alloyed zinc coating |
| US3086285A (en) * | 1957-11-05 | 1963-04-23 | Engelhard Ind Inc | Electrical contacts |
| US3147547A (en) * | 1960-03-10 | 1964-09-08 | Gen Electric | Coating refractory metals |
| US4309461A (en) * | 1980-05-15 | 1982-01-05 | Chugai-Duki Kogyo Kabushiki-Kaisha | Method of compounding decorative precious metal alloy selectively onto austenite stainless steel article |
| US4475991A (en) * | 1983-03-25 | 1984-10-09 | Chugai Denki Kogyo K.K. | Method of diffusion cladding a Fe-containing base material for decorative articles and ornaments with precious metal constituents including Ag |
-
1914
- 1914-02-27 US US82157614A patent/US1104842A/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2812299A (en) * | 1949-05-05 | 1957-11-05 | Birle & Co K G | Electrolytic deposition of gold and gold alloys |
| US2654701A (en) * | 1950-06-08 | 1953-10-06 | Edwin R Calderon | Plating aluminum |
| US2799633A (en) * | 1956-05-29 | 1957-07-16 | Sel Rex Precious Metals Inc | Method and electrolyte for producing bright gold |
| US2978390A (en) * | 1957-07-22 | 1961-04-04 | Bell Telephone Labor Inc | Gold plating solutions |
| US2994126A (en) * | 1957-10-29 | 1961-08-01 | Porter Co Inc H K | Ferrous metal body with alloyed zinc coating |
| US3086285A (en) * | 1957-11-05 | 1963-04-23 | Engelhard Ind Inc | Electrical contacts |
| US3147547A (en) * | 1960-03-10 | 1964-09-08 | Gen Electric | Coating refractory metals |
| US4309461A (en) * | 1980-05-15 | 1982-01-05 | Chugai-Duki Kogyo Kabushiki-Kaisha | Method of compounding decorative precious metal alloy selectively onto austenite stainless steel article |
| US4475991A (en) * | 1983-03-25 | 1984-10-09 | Chugai Denki Kogyo K.K. | Method of diffusion cladding a Fe-containing base material for decorative articles and ornaments with precious metal constituents including Ag |
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