JPS57207180A - Device and method for continuous chemical conversion treatment of strip surface - Google Patents
Device and method for continuous chemical conversion treatment of strip surfaceInfo
- Publication number
- JPS57207180A JPS57207180A JP9290481A JP9290481A JPS57207180A JP S57207180 A JPS57207180 A JP S57207180A JP 9290481 A JP9290481 A JP 9290481A JP 9290481 A JP9290481 A JP 9290481A JP S57207180 A JPS57207180 A JP S57207180A
- Authority
- JP
- Japan
- Prior art keywords
- strip
- chemical conversion
- liquids
- zone
- conversion treatment
- 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.)
- Pending
Links
Landscapes
- Coating Apparatus (AREA)
- Chemical Treatment Of Metals (AREA)
Abstract
PURPOSE: To change the length of an immersion tank substantially and to make the immersion time of a strip in chemical conversion liquid uniform by discharging and supplying the chemical conversion treatment liquids of prescribed divided zones of the immersion tank according to the fluctuations in the conveyance speed of the strip.
CONSTITUTION: While a valve 16 is held closed, prescribed amts. of chemical conversion liquids are put in a treating liquid tank 8 and an immersion tank 9. The chemical conversion treatmemt liquids are discharged through discharge nozzles 12a, 12b to the front and rear surfaces of a strip, whereby the front and rear surfaces of the strip are chemically converted. When the conveyance speed of the strip is reduced, the valve 16 of the 1st divided zone A is released and a circulation pump 15 is stopped. If this zone A is not used, the strip is immersed in the treating liquid in the 2nd divided zone B longer by as much as the decreased speed and eventually it is chemically converted to the state similar to that at a steady speed.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9290481A JPS57207180A (en) | 1981-06-15 | 1981-06-15 | Device and method for continuous chemical conversion treatment of strip surface |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9290481A JPS57207180A (en) | 1981-06-15 | 1981-06-15 | Device and method for continuous chemical conversion treatment of strip surface |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57207180A true JPS57207180A (en) | 1982-12-18 |
Family
ID=14067461
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9290481A Pending JPS57207180A (en) | 1981-06-15 | 1981-06-15 | Device and method for continuous chemical conversion treatment of strip surface |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57207180A (en) |
-
1981
- 1981-06-15 JP JP9290481A patent/JPS57207180A/en active Pending
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