Title:
SURFACE TREATMENT PROCESS FOR VALVE
Document Type and Number:
WIPO Patent Application WO/2020/024083
Kind Code:
A1
Abstract:
Disclosed is a surface treatment process for a valve, comprising water washing a valve obtained by processing, directly placing same into a pickling tank for pickling after water washing, soaking the valve in a polishing agent after the pickling is completed, chemical polishing same under a vibratory condition; and spray coating an anti-corrosive agent on the surface of the valve after the polishing is completed.
Inventors:
ZHOU TIANHAO (CN)
Application Number:
PCT/CN2018/097694
Publication Date:
February 06, 2020
Filing Date:
July 28, 2018
Export Citation:
Assignee:
SUZHOU SPEEDUP ELECTRON TECH CO LTD (CN)
International Classes:
C23G1/02; C09D103/02; C09D133/04; C09D175/04; C23F3/00
Foreign References:
| CN107649844A | 2018-02-02 | |||
| CN107649844A | 2018-02-02 | |||
| CN108034362A | 2018-05-15 | |||
| CN105315743A | 2016-02-10 | |||
| CN104893484A | 2015-09-09 | |||
| CN102585706A | 2012-07-18 | |||
| US20140206795A1 | 2014-07-24 |
Attorney, Agent or Firm:
NANJING ZONGHENG INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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