JPS56139694A - Method for forming uniform anode oxide film on inside surface of cylindrical object - Google Patents
Method for forming uniform anode oxide film on inside surface of cylindrical objectInfo
- Publication number
- JPS56139694A JPS56139694A JP4374080A JP4374080A JPS56139694A JP S56139694 A JPS56139694 A JP S56139694A JP 4374080 A JP4374080 A JP 4374080A JP 4374080 A JP4374080 A JP 4374080A JP S56139694 A JPS56139694 A JP S56139694A
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical object
- inside surface
- oxide film
- cathode
- pipe
- 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
Links
Landscapes
- Electrochemical Coating By Surface Reaction (AREA)
Abstract
PURPOSE: To form a uniform anode oxide film at a high speed on the inside surface of a cylindrical object by inserting a cathode of good electrically conductive pipe or the like having continuously changed surface areas into the cylindrical object, filling electrolyte in the inside and performing electrolysis.
CONSTITUTION: A good electrically conductive pipe 1 or bar is masked by using masking materials 4 or the like in such a manner that the surface area changes continuously in the axial direction. This pipe 1 as cathode is inserted into a cylindrical object 5 and electrolyte is ejected into the object 5 through the fine hole 3 pierced in the cathode pipe. With this object 5 as anode, the electrolyte is filled and circulated in the object 5 by using a suitable device, whereby electrolysis is executed. By this method, the anodic oxidation film having the same thickness as that of the opening part is uniformly formed on the inside surface of the object 5.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4374080A JPS56139694A (en) | 1980-04-03 | 1980-04-03 | Method for forming uniform anode oxide film on inside surface of cylindrical object |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4374080A JPS56139694A (en) | 1980-04-03 | 1980-04-03 | Method for forming uniform anode oxide film on inside surface of cylindrical object |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS56139694A true JPS56139694A (en) | 1981-10-31 |
Family
ID=12672165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4374080A Pending JPS56139694A (en) | 1980-04-03 | 1980-04-03 | Method for forming uniform anode oxide film on inside surface of cylindrical object |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56139694A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2661135C1 (en) * | 2017-09-05 | 2018-07-11 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Пензенский государственный университет" (ФГБОУ ВО "Пензенский государственный университет") | Method for treatment of parts from alloys of metals of vent group with through-holes with electrochemical oxidation |
| CN114214692A (en) * | 2021-08-31 | 2022-03-22 | 西比里电机技术(苏州)有限公司 | Electrode assembly |
-
1980
- 1980-04-03 JP JP4374080A patent/JPS56139694A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2661135C1 (en) * | 2017-09-05 | 2018-07-11 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Пензенский государственный университет" (ФГБОУ ВО "Пензенский государственный университет") | Method for treatment of parts from alloys of metals of vent group with through-holes with electrochemical oxidation |
| CN114214692A (en) * | 2021-08-31 | 2022-03-22 | 西比里电机技术(苏州)有限公司 | Electrode assembly |
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