CN203559802U - 钻杆上的内管接头 - Google Patents
钻杆上的内管接头 Download PDFInfo
- Publication number
- CN203559802U CN203559802U CN201320614419.7U CN201320614419U CN203559802U CN 203559802 U CN203559802 U CN 203559802U CN 201320614419 U CN201320614419 U CN 201320614419U CN 203559802 U CN203559802 U CN 203559802U
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- joint
- inner tube
- spring
- steel ball
- limit casing
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Application Number | Priority Date | Filing Date | Title |
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CN201320614419.7U CN203559802U (zh) | 2013-09-30 | 2013-09-30 | 钻杆上的内管接头 |
Applications Claiming Priority (1)
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CN201320614419.7U CN203559802U (zh) | 2013-09-30 | 2013-09-30 | 钻杆上的内管接头 |
Publications (1)
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CN203559802U true CN203559802U (zh) | 2014-04-23 |
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CN201320614419.7U Expired - Fee Related CN203559802U (zh) | 2013-09-30 | 2013-09-30 | 钻杆上的内管接头 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103510877A (zh) * | 2013-09-30 | 2014-01-15 | 无锡中地地质装备有限公司 | 钻杆上的内管接头 |
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- 2013-09-30 CN CN201320614419.7U patent/CN203559802U/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103510877A (zh) * | 2013-09-30 | 2014-01-15 | 无锡中地地质装备有限公司 | 钻杆上的内管接头 |
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RU93129U1 (ru) | Переводник муфтовый |
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: WUXI GEOTEC DRILLING EQUIPMENT CO., LTD. Free format text: FORMER OWNER: WUXI GEOTEC GEOLOGICAL EQUIPMENT CO., LTD. Effective date: 20140411 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20140411 Address after: 214000 Jiangsu Province, Wuxi city Xishan District Yangjian machinery equipment Industrial Park B District Patentee after: WUXI ZHONGDI DRILLING EQUIPMENT CO., LTD. Address before: 214000 Xintai industrial supporting garden, Mei Cun, New District, Jiangsu, Wuxi Patentee before: Wuxi Geotec Geological Equipment Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140423 Termination date: 20150930 |
|
EXPY | Termination of patent right or utility model |