CN203437797U - 一种用于炉管焊接的背氩保护装置 - Google Patents
一种用于炉管焊接的背氩保护装置 Download PDFInfo
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CN201320532291.XU CN203437797U (zh) | 2013-08-29 | 2013-08-29 | 一种用于炉管焊接的背氩保护装置 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104439631A (zh) * | 2014-10-14 | 2015-03-25 | 中国化学工程第十六建设有限公司 | 一种奥氏体炉管焊接方法 |
CN110142532A (zh) * | 2019-05-10 | 2019-08-20 | 中广核核电运营有限公司 | 一种支管座焊接充氩装置 |
CN110355448A (zh) * | 2019-07-09 | 2019-10-22 | 福建福清核电有限公司 | 不锈钢或异种钢支管焊接背面充氩保护装置 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104439631A (zh) * | 2014-10-14 | 2015-03-25 | 中国化学工程第十六建设有限公司 | 一种奥氏体炉管焊接方法 |
CN104439631B (zh) * | 2014-10-14 | 2017-02-01 | 中国化学工程第十六建设有限公司 | 一种奥氏体炉管焊接方法 |
CN110142532A (zh) * | 2019-05-10 | 2019-08-20 | 中广核核电运营有限公司 | 一种支管座焊接充氩装置 |
CN110355448A (zh) * | 2019-07-09 | 2019-10-22 | 福建福清核电有限公司 | 不锈钢或异种钢支管焊接背面充氩保护装置 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: CHINA PETROLEUM NATURAL GAS NO.1 CONSTRUCTION CO. Free format text: FORMER OWNER: LIU JINCHANG Effective date: 20140126 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20140126 Address after: 471023 Luolong, Henan Province, Guan Lin China Petroleum First Construction Corporation Patentee after: CNPC FIRST CONSTRUCTION Co. Address before: 471023 China Petroleum First Construction Corporation Third Engineering Department, Luolong District, Henan, Luoyang Patentee before: Liu Jinchang |
|
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: 471023 Luolong, Henan Province, Guan Lin China Petroleum First Construction Corporation Patentee after: CHINA NATIONAL PETROLEUM AND NATURAL GAS FIRST CONSTRUCTION CO.,LTD. Address before: 471023 Luolong, Henan Province, Guan Lin China Petroleum First Construction Corporation Patentee before: CNPC FIRST CONSTRUCTION Co. |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20140219 |