US254305A - Siokd - Google Patents
Siokd Download PDFInfo
- Publication number
- US254305A US254305A US254305DA US254305A US 254305 A US254305 A US 254305A US 254305D A US254305D A US 254305DA US 254305 A US254305 A US 254305A
- Authority
- US
- United States
- Prior art keywords
- silver
- stone
- coating
- metal
- varnish
- 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
- 239000004575 stone Substances 0.000 description 22
- 239000011248 coating agent Substances 0.000 description 18
- 238000000576 coating method Methods 0.000 description 18
- 239000002184 metal Substances 0.000 description 18
- 229910052751 metal Inorganic materials 0.000 description 18
- BQCADISMDOOEFD-UHFFFAOYSA-N silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 18
- 229910052709 silver Inorganic materials 0.000 description 18
- 239000004332 silver Substances 0.000 description 18
- 239000002966 varnish Substances 0.000 description 14
- 239000010410 layer Substances 0.000 description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 10
- 229910052802 copper Inorganic materials 0.000 description 10
- 239000010949 copper Substances 0.000 description 10
- 239000010432 diamond Substances 0.000 description 10
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 6
- 229910052737 gold Inorganic materials 0.000 description 6
- 239000010931 gold Substances 0.000 description 6
- 230000001427 coherent Effects 0.000 description 4
- 238000000151 deposition Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000001590 oxidative Effects 0.000 description 4
- 230000002633 protecting Effects 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-N Carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 2
- 239000000899 Gutta-Percha Substances 0.000 description 2
- 229920000588 Gutta-percha Polymers 0.000 description 2
- FEWJPZIEWOKRBE-XIXRPRMCSA-N Mesotartaric acid Chemical compound OC(=O)[C@@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-XIXRPRMCSA-N 0.000 description 2
- 240000000342 Palaquium gutta Species 0.000 description 2
- 240000003936 Plumbago auriculata Species 0.000 description 2
- 239000002969 artificial stone Substances 0.000 description 2
- DVARTQFDIMZBAA-UHFFFAOYSA-N azane;nitrate Chemical compound N.[O-][N+]([O-])=O DVARTQFDIMZBAA-UHFFFAOYSA-N 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 229940072033 potash Drugs 0.000 description 2
- 235000015320 potassium carbonate Nutrition 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000001681 protective Effects 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 229940095064 tartrate Drugs 0.000 description 2
Classifications
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C17/00—Gems or the like
- A44C17/001—Faceting gems
Definitions
- This invention has reference more particularly to the imitation diamonds made from glass or other transparent material in which the back of the stone is rendered reflective by a silver deposit or other bright coating.
- the ordinary method of applying this coating is to deposit the silver from a solution of ammonia nitrate of [5 silver by means of. a reducing agent-by preference tartrate of soda or potash, (sel de Seignette,) or tartaric acid-the face of the stone being protected by a mixture of rubber and gutta-percha.
- the silver coating by reflecting the rays transmitted through the stone, greatly increases it brilliancy. Silver-foil has been used for the same purpose.
- an alcohol or essence varnish which has no oxidizing effect upon the silver, is ap- 2 plied over it.
- the present invention contemplates no improvement in this part of the mount ing, but is designed to secure the stone, in a simple and inexpensive way, from being injured in handling, setting, or washing.
- the stone has heretofore been set in a frame or box (culot) struck up from a sheet of gold, silver, or other metal, so
- the invention relates more particularlyto imitation diamonds made from glass, it is obviously applicable to all kinds of stones, natural or artificial, where it is desired to have their brilliancy increased by a reflecting layer at the back.
- I claim 1 In the manufacture of imitation diamonds, or in the preparation of artificial stones, natu ral stones, or other like objects wherein the brilliancy of the object is increased by means of a reflecting-coatin g at the back, the improvement consisting in depositing a coherent layer of metal over said reflecting-coating, so as to form a protection thereto, substantially as described.
- An imitation diamond or other like object having a reflective coating applied at the back and a protecting layer of metal deposited over 8 5 said coating, substantially as described.
Description
NITED STATES PATENT Frrc.
JULES A. GROSSIORD, JEUNE, OF PARIS, FRANCE, ASSIGNORTO EDWARD E. KIPLING, OF NEW YORK, N. Y.
IMITATION DIAMOND.
SPECIFICATION forming part of Letters Patent No. 254,305, dated February 28, 1882.
Application filed October 26. 1881. (No specimens.) Patented in France November 20, 1880.
To all whom it may concern:
Be it known'that I, JULES ANATOLE Geos- SIORD, J eune, of Paris, in the Republic of France, have invented a new and useful Improvement in Imitation Diamonds, which improvement is fully set forth in the following specification.
This invention has reference more particularly to the imitation diamonds made from glass or other transparent material in which the back of the stone is rendered reflective by a silver deposit or other bright coating. The ordinary method of applying this coating is to deposit the silver from a solution of ammonia nitrate of [5 silver by means of. a reducing agent-by preference tartrate of soda or potash, (sel de Seignette,) or tartaric acid-the face of the stone being protected by a mixture of rubber and gutta-percha. The silver coating, by reflecting the rays transmitted through the stone, greatly increases it brilliancy. Silver-foil has been used for the same purpose. To protect this coating, an alcohol or essence varnish, which has no oxidizing effect upon the silver, is ap- 2 plied over it. The present invention contemplates no improvement in this part of the mount ing, but is designed to secure the stone, in a simple and inexpensive way, from being injured in handling, setting, or washing.
0 To make an imitation stonecapable of standing the friction and Washing to which it would ordinarily be subjected, the stone has heretofore been set in a frame or box (culot) struck up from a sheet of gold, silver, or other metal, so
5 as to fit the silvered and varnished portion of the stone. Not only is this a difficult and costly operation, but, owing to a want of close adherence between the metal frame or culot and the varnish, the air and moisture are liable to en- 0 ter and the silver ultimately to become oxidized and its capacity as a reflector destroyed. These difiiculties are avoided by the present invention, in whichthe stamped metal frame or culot is replaced by a coherent layer of metal 4 5 deposited with or without the aid of a galvanic battery.
The following is deemed the best mode of carrying the invention in to efl'ect: The stone having received its reflecting-coating of silver and the protecting-coating of varnish, a layer or film of powdered plumbago, metallic paint,
or other suitable material conductive of electricity, is applied to the varnish, and the stone is placed in a solution ofcopper, and is included in a galvanic circuit, so that copper is deposited from the solution upon the varnish. When the deposited layer is thick enough the stone is removed and plated with gold. The gold deposited upon the copper prevents it from oxidizing, while the latter gives strength to the envelope. The copper deposit, instead of being goldplated, could be plated with silver, nickle, or other metal. Instead of depositing copper upm the varnish, other metal could be so deposited without departing from the spirit of this invention.
Although, as already stated, the invention relates more particularlyto imitation diamonds made from glass, it is obviously applicable to all kinds of stones, natural or artificial, where it is desired to have their brilliancy increased by a reflecting layer at the back.
I claim 1. In the manufacture of imitation diamonds, or in the preparation of artificial stones, natu ral stones, or other like objects wherein the brilliancy of the object is increased by means of a reflecting-coatin g at the back, the improvement consisting in depositing a coherent layer of metal over said reflecting-coating, so as to form a protection thereto, substantially as described.
2. An imitation diamond or other like object having a reflective coating applied at the back and a protecting layer of metal deposited over 8 5 said coating, substantially as described.
3. The combination,with the reflective coatin g and its protective varnish, of the exterior protective layer of copper or other metal deposited thereon and plated, substantially as described.
In-tcstimony whereof I have signed this specification in the presence of two subscribing witmesses.
JULES ANATOLE GROSSIORD, JEUNE.
Witnesses:
R0131. M. HOOPER, DAVID T. S. FULLER.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US254305A true US254305A (en) | 1882-02-28 |
Family
ID=2323601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US254305D Expired - Lifetime US254305A (en) | Siokd |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US254305A (en) |
-
0
- US US254305D patent/US254305A/en not_active Expired - Lifetime
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