US200079A - Improvement in tinning and finishing sheet-copper - Google Patents
Improvement in tinning and finishing sheet-copper Download PDFInfo
- Publication number
- US200079A US200079A US200079DA US200079A US 200079 A US200079 A US 200079A US 200079D A US200079D A US 200079DA US 200079 A US200079 A US 200079A
- Authority
- US
- United States
- Prior art keywords
- copper
- tinning
- improvement
- sheet
- finishing sheet
- 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
- 229910052802 copper Inorganic materials 0.000 title description 13
- 239000010949 copper Substances 0.000 title description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 4
- 238000005498 polishing Methods 0.000 description 3
- 241000217266 Ansonia Species 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000009499 grossing Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000005096 rolling process Methods 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
- C23C2/26—After-treatment
- C23C2/28—Thermal after-treatment, e.g. treatment in oil bath
- C23C2/29—Cooling or quenching
Definitions
- ROBERT MOMANUS OF ANSONIA, CONNECTICUT.
- This invention relates to an improvement in the process or method of tinning and finishing sheet-copper-that is to say, such sheets as are tinnedupon one side only, and used for various purposes.
- the object of this invention is to prevent this oxidizing or discoloring'of the copper in the process of tinning; and it consists in excluding the air from the copper or uncoated surface during the process of tinning, and instantly on the completion of the tinning to plunge the sheet into a cold bath.
- an alkaline water is used for the bath, as attaining the best results; but a simple bath of cold water will produce very good results, it only being essential that it shall be a sudden and quickly-coolin g medium, to operate without exposing the copper surface to the atmosphere.
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Thermal Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electroplating Methods And Accessories (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Description
UNITED STATES PATENT OFFICE.
ROBERT MOMANUS, OF ANSONIA, CONNECTICUT.
IMPROVEMENT IN TINNING AND FINISHING SHEET-COPPER.
Specification forming part of Letters Patent No. 200,079, dated February 5, 1878; application filed December 11, 1877.
To all whom it may concern:
Be it known that I, RoBERT MCMANUS, of Ansonia, in the county of New Haven and State of Connecticut, have invented a new Improvement in Process for Tinning and Finishing Sheet-Copper; and I do hereby declare the following to be a full, clear, and exact description of the same.
This invention relates to an improvement in the process or method of tinning and finishing sheet-copper-that is to say, such sheets as are tinnedupon one side only, and used for various purposes. In the usual process, in which the tin is flowed upon one surface, with the other exposed, that other exposed surface oxidizes quickly, so as to deface that surface to the extent that a subsequent polishing is necessary to fit the sheet ready for market, and this subsequent polishing is a source of considerable expense; and the object of this invention is to prevent this oxidizing or discoloring'of the copper in the process of tinning; and it consists in excluding the air from the copper or uncoated surface during the process of tinning, and instantly on the completion of the tinning to plunge the sheet into a cold bath.
In carrying out this invention the best results have been attained by placing the sheet, copper side down, upon a plate, which it fits closely, so that the copper surface thus lying upon the plate is protected from atmospheric influences. Under these circumstances the tin is flowed upon the opposite surface in the usual manner; and instantly, or before the copper can have been heated to any considerble extent, the sheet is'transferred from the plate on which it rests into a cold bath, and so quickly that very slight, if any, exposure of the copper surface to the atmosphere is made. Preferably an alkaline water is used for the bath, as attaining the best results; but a simple bath of cold water will produce very good results, it only being essential that it shall be a sudden and quickly-coolin g medium, to operate without exposing the copper surface to the atmosphere.
When the copper thus treated is thoroughly cooled, it is subjected to the usual rolling to give the requisite smoothing to the tin surface, and the copper surface is unchanged in its ap pearance from what it was before being tinned. Hence the usual after-polishing is avoided.
I claim- The herein-described process for tinning sheet-copper, consisting in applying the tin to one surface, while the other is protected from the atmosphere, and immediately plunging into a cooling-bath, substantially as set forth.
ROBERT MCMANUS.
Witnesses:
JOHN E. EARLE, H. A. KITSON.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US200079A true US200079A (en) | 1878-02-05 |
Family
ID=2269487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US200079D Expired - Lifetime US200079A (en) | Improvement in tinning and finishing sheet-copper |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US200079A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060005402A1 (en) * | 2004-07-06 | 2006-01-12 | Nottingham John R | Electric knife adapted for safely craving pumpkins and other fruits and vegetables |
-
0
- US US200079D patent/US200079A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060005402A1 (en) * | 2004-07-06 | 2006-01-12 | Nottingham John R | Electric knife adapted for safely craving pumpkins and other fruits and vegetables |
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