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Rustproofing apparatus

A technology for anti-rust treatment and treatment tank, applied in the direction of electrolytic organic material coating, etc., can solve the problems of complex treatment conditions, increased operating costs, uneven anti-rust solution, etc.

Inactive Publication Date: 2004-07-07
ALPS ALPINE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] As mentioned above, the longer the treatment tank is, the more likely the composition of the antirust solution becomes non-uniform in the middle of the treatment tank and at the end near the gap; therefore, controlling the solution and controlling the treatment conditions with respect to the temperature and concentration of the solution become Complicated and the anti-rust solution must be changed fairly frequently, which increases operating costs

Method used

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  • Rustproofing apparatus
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Examples

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Embodiment Construction

[0010] The anti-rust treatment device of this program is a device used for anti-rust treatment after silver plating, and its structure is as follows: figure 2 As shown, it includes a storage tank 2 containing an anti-rust solution 1, a treatment tank 5 overlapping the storage tank 2 and having a gap 4 in which an annular metal plate workpiece 3 moves, and a device for supplying the solution 1 from the storage tank 2 to the treatment tank 5 pump6. As the antirust solution 1, for example, a solution containing a mercaptan compound as a main material with isopropanol (concentration of 1% to 20%) to which water and a surfactant were added was used.

[0011] Such as figure 1 As shown, the treatment tank 5 is equipped with a pair of rectifying chambers 8 containing a plurality of rectifying plates 7 for rectifying the solution 1 from the lower end, and a pair of anodes 9, which are made of platinum-plated titanium material (for example) ), facing each other with a gap 4 in betwee...

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Abstract

This rust preventive treating device has a treating vessel having a slit through which a material to be treated passes, a storage tank arranged below this treating vessel and a pump for supplying a soln. for the rust preventive treatment stored in this storage tank to the treating vessel. The treating vessel is internally provided with an anode and plural flow regulating plates. The soln.for the rust preventive treatment supplied from the storage tank to the treating vessel is subjected to flow regulation by the respective flow regulating plates and is dropped by gravity toward the material to be treated. The material to be treated is cathodically electrolyzed by impressing voltage between the material to be treated and the anode, by which the surface of the material to be treated is subjected to the rust preventive treatment.

Description

technical field [0001] The present invention relates to an antirust treatment device, which utilizes the formation of mercaptan or similar organic film on the surface of an annular workpiece to perform antirust treatment or anti-fading treatment on the workpiece. Background technique [0002] Generally, as this type of antirust treatment device, a kind of antirust treatment device has been put into practical use, which includes a storage tank filled with an antirust solution, a treatment tank overlapping the storage tank and having a gap passing through the annular workpiece therebetween, and a storage tank from the storage tank. Tank A pump that supplies the solution to the treatment tank. [0003] In this known cleaning device, the antirust solution contained in the storage tank is supplied to the treatment tank by a pump, and the excess part of the antirust solution supplied to the treatment tank overflows back into the storage tank through the gap. Thus, fresh antirust ...

Claims

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Application Information

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IPC IPC(8): C25D9/02C23F11/00C23F15/00
Inventor 小川胜利长野真一畑山恒夫川岛勇
Owner ALPS ALPINE CO LTD