CN1210050A - Welding process for replacing corrosionproof treatment of metal welding - Google Patents
Welding process for replacing corrosionproof treatment of metal welding Download PDFInfo
- Publication number
- CN1210050A CN1210050A CN 97106107 CN97106107A CN1210050A CN 1210050 A CN1210050 A CN 1210050A CN 97106107 CN97106107 CN 97106107 CN 97106107 A CN97106107 A CN 97106107A CN 1210050 A CN1210050 A CN 1210050A
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- CN
- China
- Prior art keywords
- welding
- corrosion
- welding rod
- postwelding
- corrosion resistant
- 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.)
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- Nonmetallic Welding Materials (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN97106107A CN1070098C (en) | 1997-09-23 | 1997-09-23 | Welding process for replacing corrosionproof treatment of metal welding |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN97106107A CN1070098C (en) | 1997-09-23 | 1997-09-23 | Welding process for replacing corrosionproof treatment of metal welding |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1210050A true CN1210050A (en) | 1999-03-10 |
CN1070098C CN1070098C (en) | 2001-08-29 |
Family
ID=5168379
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN97106107A Expired - Fee Related CN1070098C (en) | 1997-09-23 | 1997-09-23 | Welding process for replacing corrosionproof treatment of metal welding |
Country Status (1)
Country | Link |
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CN (1) | CN1070098C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103231148A (en) * | 2013-05-03 | 2013-08-07 | 胜利油田金岛工程安装有限责任公司 | Corrosion-preventing processing method for pipe end of inner lining glass corrosion-preventing steel pipe |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1024173C (en) * | 1992-05-21 | 1994-04-13 | 大庆石油管理局油田建设设计研究院 | Anticorrosion weld repairing method for inner wall of welded joint region of small diameter steel pipeline |
CN1031956C (en) * | 1994-05-27 | 1996-06-05 | 胜利石油管理局油建二公司 | Sleeve-bonding jointing method for weld of lining pipe |
-
1997
- 1997-09-23 CN CN97106107A patent/CN1070098C/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103231148A (en) * | 2013-05-03 | 2013-08-07 | 胜利油田金岛工程安装有限责任公司 | Corrosion-preventing processing method for pipe end of inner lining glass corrosion-preventing steel pipe |
Also Published As
Publication number | Publication date |
---|---|
CN1070098C (en) | 2001-08-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: CHINA NATIONAL PETROLEUM CORP. Free format text: FORMER NAME OR ADDRESS: PETROLEUM UNIVERSITY (HUADONG) Owner name: PETROLEUM UNIVERSITY (HUADONG) Free format text: CHANGE FOR CO-PATENTEE; FORMER NAME OR ADDRESS: NONE |
|
CP03 | Change of name, title or address |
Address after: Six kang, Xicheng District, Beijing Co-patentee after: University of Petroleum (East China) Patentee after: China National Petroleum Corporation Address before: No. 149, Tai'an Road, Dongying, Shandong Patentee before: University of Petroleum (East China) |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20010829 Termination date: 20160923 |