US418662A - Process of electroplating dental plates - Google Patents
Process of electroplating dental plates Download PDFInfo
- Publication number
- US418662A US418662A US418662DA US418662A US 418662 A US418662 A US 418662A US 418662D A US418662D A US 418662DA US 418662 A US418662 A US 418662A
- Authority
- US
- United States
- Prior art keywords
- electroplating
- dental plates
- plate
- mouth
- dental
- 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
- 238000000034 method Methods 0.000 title description 14
- 238000009713 electroplating Methods 0.000 title description 6
- 239000000463 material Substances 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 210000001847 Jaw Anatomy 0.000 description 6
- 238000004070 electrodeposition Methods 0.000 description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 6
- 239000010931 gold Substances 0.000 description 6
- 229910052737 gold Inorganic materials 0.000 description 6
- 150000002739 metals Chemical class 0.000 description 6
- 239000011505 plaster Substances 0.000 description 6
- 229910052709 silver Inorganic materials 0.000 description 6
- 239000004332 silver Substances 0.000 description 6
- 238000000151 deposition Methods 0.000 description 4
- 240000003936 Plumbago auriculata Species 0.000 description 2
- 210000003296 Saliva Anatomy 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- 101700077844 VARD Proteins 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XFXPMWWXUTWYJX-UHFFFAOYSA-N cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 2
- 239000002659 electrodeposit Substances 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 238000009877 rendering Methods 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- 239000004636 vulcanized rubber Substances 0.000 description 2
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D1/00—Electroforming
Definitions
- the object of this invention is to provide a process by means of which complete dental plates ready for the setting of the teeth may be produced by electro-deposition, and the steps and processes are essentially as follows: making a positive cast of the mouth or jaw of the patient from plastic-or other'appropriate material in the ordinary manner, rendering the surface thereof conductive, and
- the invention is carried into effect by taking a cast or impression of the mouth or jaw in wax, plaster, or other suitable material, and from it getting a positive cast in wax or plaster in the usual manner, and after the latter has become thoroughly hardened the surface is metallized or made conductive by applying bronze-powder, plumbago, blacklead, or any of the other ordinary conducting agencies. Then the mold or positive cast is submerged in an electrolytic bath composed of any of the metallic salts-such as a double cyanide of silver and potassium, or others commonly employed in obtaining metallic electro-deposits of the metal or metals of which itis designed to make the plate.
- the metallic salts such as a double cyanide of silver and potassium, or others commonly employed in obtaining metallic electro-deposits of the metal or metals of which itis designed to make the plate.
- the plate After the plate has been taken from the bath and its edges trimmed into proper shape, (which trimming may be done before applying the gold,) it may then, if "desired, be covered or partiallycoveredon the outer or lower side with a layer of vulcanized rubber or other suitable material, and the teeth adjusted in the usual way, or the teeth may be soldered directly to the plate. i After the plate has thus received the teeth a final and heavy layer of gold is deposited, so that the saliva of the mouth will not penetrate to the silver and oxidize the'same, and thus form a black deposit on the gold.
Description
UNITED STATES PATENT OFFICE.
JOSEPH e. WARD, OF NEWARK, NEW JERSEY.
PROCESS OF ELECTROPLATING DENTAL PLATES.
SPECIFICATION forming part of Letters Patent No. 418,662, dated December 31, 1889.
Original application filed April 11, 1887, Serial No. 234,853. Divided and this application filed November 17, 1888- Serial No.
, 291,153- (No specimens.)
To all whom it may concern:
Be it known that I, JOSEPH Gr. I/VARD, a citizen of theUnited States,residing at Newark, in the county of Essex and State of New Jersey, have invented certainn ew anduseful Improvements in the Process of Electroplating Dental Plates; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.
The object of this invention is to provide a process by means of which complete dental plates ready for the setting of the teeth may be produced by electro-deposition, and the steps and processes are essentially as follows: making a positive cast of the mouth or jaw of the patient from plastic-or other'appropriate material in the ordinary manner, rendering the surface thereof conductive, and
depositing thereon a plate in two or more strata of different metals superposed one upon the other by electro-deposition.
The following detailed description will more fully disclose the manner of carrying my said process into practice.
The invention is carried into effect by taking a cast or impression of the mouth or jaw in wax, plaster, or other suitable material, and from it getting a positive cast in wax or plaster in the usual manner, and after the latter has become thoroughly hardened the surface is metallized or made conductive by applying bronze-powder, plumbago, blacklead, or any of the other ordinary conducting agencies. Then the mold or positive cast is submerged in an electrolytic bath composed of any of the metallic salts-such as a double cyanide of silver and potassium, or others commonly employed in obtaining metallic electro-deposits of the metal or metals of which itis designed to make the plate. The
' positive cast is allowed to remain in the bath a short time, or until the deposit has-attained the requisite thickness over the alveola ridge, when it is removed and stopped out over the said ridge and again returned to the bath and thickened at the center of the plate, so that a ridge or shoulder is formed against which the vulcanite may rest on the lower side of the plate to secure a well-marked line of sepgold serves to prevent the sulphur of the vulcanite from affecting the silver, and thus the said vulcanite is given a perfect hold on the plate. After the plate has been taken from the bath and its edges trimmed into proper shape, (which trimming may be done before applying the gold,) it may then, if "desired, be covered or partiallycoveredon the outer or lower side with a layer of vulcanized rubber or other suitable material, and the teeth adjusted in the usual way, or the teeth may be soldered directly to the plate. i After the plate has thus received the teeth a final and heavy layer of gold is deposited, so that the saliva of the mouth will not penetrate to the silver and oxidize the'same, and thus form a black deposit on the gold. By this method I am enabled to secure a plate of uniform thickness, and one which will perfectly fit the mouth in every part and at a greatly reduced cost as compared with the method heretofore practiced.
The present application embraces matter which is mentioned in an application filed by me on the 11th of April, 1887, Serial No.
234,853, and is therefore a division of such application.
Having thus described my invention, what I claim as new is The process of making dental plates, which consists in making a positive cast of the mouth or jaw, of plaster or other appropriate material, in the usual way, and, after making the surface conductive, depositing thereon two or more strata of different metals, one upon the other, by electro-deposition, substantially as and for the purposes set forth.
In testimony that I claim the foregoing I have hereunto set my hand this 12th day of November, 1888.
I JOSEPH G. WARD.
Witnesses:
CHARLES H. PELL, WALLACE DURAND.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US418662A true US418662A (en) | 1889-12-31 |
Family
ID=2487585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US418662D Expired - Lifetime US418662A (en) | Process of electroplating dental plates |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US418662A (en) |
-
0
- US US418662D patent/US418662A/en not_active Expired - Lifetime
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