GB557029A - Improvements in apparatus for and method of treating electrolytic coatings - Google Patents
Improvements in apparatus for and method of treating electrolytic coatingsInfo
- Publication number
- GB557029A GB557029A GB13456/42A GB1345642A GB557029A GB 557029 A GB557029 A GB 557029A GB 13456/42 A GB13456/42 A GB 13456/42A GB 1345642 A GB1345642 A GB 1345642A GB 557029 A GB557029 A GB 557029A
- Authority
- GB
- United Kingdom
- Prior art keywords
- strip
- chamber
- coating
- heated
- passageway
- 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
Links
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
- C25D5/48—After-treatment of electroplated surfaces
- C25D5/50—After-treatment of electroplated surfaces by heat-treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
557,029. Coated steel strip. CARNEGIEILLINOIS STEEL CORPORATION. Sept. 24, 1942, No. 13456. Convention date, June 22, 1942. [Class 41] An electrolytic coating, especially a tin coating formed on steel strip is brightened and bonded to the base metal by electrical resistance heating of the coated strip carried out during its passage through a chamber which is heated to provide an isothermal shield around the strip to prevent loss of heat therefrom, but to a temperature below that of the melting point of the coating. The strip, after passing over a power-driven roll 12, leaves chamber 7 through a gasketed orifice 8 and ascends a passageway 3 in a chamber 2, heated by spaced heating elements 5, leaving the chamber, after passing over an insulated roll 13, by a second passageway and entering a quenching vessel 9, containing oil and provided with a second power-driven roll, through a conduit 10. Heat losses from chamber 2 are prevented by insulation 6. The resistance heating of the strip is effected by current applied by brushes to the rolls 12 and is so regulated that the strip is heated to the melting point of the coating only immediately before the quenching operation.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US557029XA | 1942-06-22 | 1942-06-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB557029A true GB557029A (en) | 1943-11-02 |
Family
ID=21999610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB13456/42A Expired GB557029A (en) | 1942-06-22 | 1942-09-24 | Improvements in apparatus for and method of treating electrolytic coatings |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB557029A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2669442A (en) * | 1948-08-24 | 1954-02-16 | Crown Cork & Seal Co | Annealing apparatus |
| US2779584A (en) * | 1950-09-28 | 1957-01-29 | Selas Corp Of America | Strip cooling tower |
-
1942
- 1942-09-24 GB GB13456/42A patent/GB557029A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2669442A (en) * | 1948-08-24 | 1954-02-16 | Crown Cork & Seal Co | Annealing apparatus |
| US2779584A (en) * | 1950-09-28 | 1957-01-29 | Selas Corp Of America | Strip cooling tower |
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