Title:
SURFACE TREATMENT METAL ELECTRODE BAR FOR ELECTROPOLISHING
Document Type and Number:
WIPO Patent Application WO/2021/085845
Kind Code:
A1
Abstract:
The present invention relates to a surface treatment metal electrode bar for electropolishing and, in detail, to a non-contact surface treatment metal electrode bar for electropolishing, used for surface treatment of stainless steel tubes, capable of forming an oxide thin film while being finely separated from the inner surface of a stainless steel tube during treatment of the inner surface, wherein 1) the electrode bar is prepared of one material selected from copper, silver, or platinum, 2) the electrode bar has a length of 300 mm to 500 mm, and 3) the electrode bar is separated from the stainless tube by 5 mm to 10 mm.
Inventors:
KANG MITCHELL VICTOR (KR)
Application Number:
PCT/KR2020/012354
Publication Date:
May 06, 2021
Filing Date:
September 14, 2020
Export Citation:
Assignee:
WSG CO LTD (KR)
International Classes:
C25F7/00; C25F3/24
Foreign References:
| KR20140002964A | 2014-01-09 | |||
| KR19980038993U | 1998-09-15 | |||
| JPH11100700A | 1999-04-13 | |||
| KR20130046906A | 2013-05-08 | |||
| JP2017014544A | 2017-01-19 |
Attorney, Agent or Firm:
JANG, Hye Seung (KR)
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