JPS57207180A - Device and method for continuous chemical conversion treatment of strip surface - Google Patents

Device and method for continuous chemical conversion treatment of strip surface

Info

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
Application number
JP9290481A
Other languages
Japanese (ja)
Inventor
Ikuya Mori
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chugai Ro Co Ltd
Original Assignee
Chugai Ro Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chugai Ro Co Ltd filed Critical Chugai Ro Co Ltd
Priority to JP9290481A priority Critical patent/JPS57207180A/en
Publication of JPS57207180A publication Critical patent/JPS57207180A/en
Pending legal-status Critical Current

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
JP9290481A 1981-06-15 1981-06-15 Device and method for continuous chemical conversion treatment of strip surface Pending JPS57207180A (en)

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)

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