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Electroplating of treated items with internal anodes

An article and coating technology is applied in the field of using internal anodes to treat articles by electroplating and coating, which can solve problems such as increasing process costs and the like

Active Publication Date: 2017-05-31
ATOTECH DEUT GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This leads to increased process costs

Method used

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  • Electroplating of treated items with internal anodes
  • Electroplating of treated items with internal anodes
  • Electroplating of treated items with internal anodes

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Experimental program
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Embodiment Construction

[0051] Embodiments are described in the context of a system for processing a treatment item, wherein a plurality of components having conductive surfaces are introduced into an electroplating bath. The devices, systems and methods can generally be used for coating treatment items which have cavities which have inner surfaces and in which both the outer and inner surfaces are to be provided with a coating. The coating can be a coating made of a metal or a coating made of an alloy composed of several metals. The treatment item can be provided, for example, with a coating of zinc (Zn) and nickel (Ni), preferably from an acidic electrolyte, wherein a greater proportion of Zn is contained in the coating. However, the devices, systems and methods are not limited to having coatings of these materials. The same reference numerals denote the same elements in the figures.

[0052] figure 1 A perspective view of a system 1 for electroplating a treatment item according to one embodimen...

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PUM

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Abstract

A device is designed for electroplating a material being treated (8) and has a hollow space (9) with an inner surface (51) to be coated. The device comprises a first frame part (11) with a first electrode (21) for holding and electrically contacting the material being treated (8). The device comprises a second frame part (12) with a carrier (23) for a second electrode (22), wherein the carrier (23) is set up for fastening the second electrode (22) in such a way that the second electrode (22) protrudes into the hollow space (9) of the material being treated (8) held by the first electrode (21) without touching the material being treated (8). The first frame part (11) and the second frame part (12) are mechanically connected to one another. The first electrode (21) and the second electrode (22) are electrically insulated from one another.

Description

technical field [0001] The present invention relates to the electroplating of coatings, in particular with acidic electrolytes, more particularly with acidic electrolytes for depositing alloys, for example acidic zinc-nickel electrolytes, for the electroplating of articles to be treated An apparatus, a system and a method, the treatment article has a cavity. Background technique [0002] In order to coat treatment objects, for example metal products or components with a conductive surface, in conventional coating methods the treatment objects are introduced into an electroplating bath which is located in a treatment vessel. A metal anode is arranged in the treatment vessel relative to the treatment item. The galvanic deposition of metal on the treatment item occurs when a voltage is applied between the metal anode and the treatment item. [0003] Conventional methods of this type have disadvantages if the treatment item is not only to be coated on the outer surface but als...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C25D5/02C25D7/04C25D17/06C25D17/12C25D17/00C25D17/08
CPCC25D5/02C25D7/04C25D17/005C25D17/007C25D17/06C25D17/08C25D17/12
Inventor 罗伯托·洛迪奇京特·特拉茨
Owner ATOTECH DEUT GMBH