CN203285359U - 螺杆钻具弧形滚柱球铰接万向轴 - Google Patents
螺杆钻具弧形滚柱球铰接万向轴 Download PDFInfo
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- CN203285359U CN203285359U CN201320247158XU CN201320247158U CN203285359U CN 203285359 U CN203285359 U CN 203285359U CN 201320247158X U CN201320247158X U CN 201320247158XU CN 201320247158 U CN201320247158 U CN 201320247158U CN 203285359 U CN203285359 U CN 203285359U
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- 238000006073 displacement reaction Methods 0.000 title abstract 5
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 abstract description 10
- 239000010959 steel Substances 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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CN201320247158XU CN203285359U (zh) | 2013-05-06 | 2013-05-06 | 螺杆钻具弧形滚柱球铰接万向轴 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109488203A (zh) * | 2018-11-28 | 2019-03-19 | 李少江 | 万向轴 |
CN111559727A (zh) * | 2020-05-28 | 2020-08-21 | 浙江鲁创电力科技有限公司 | 一种高铁接触网施工检修平台 |
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2013
- 2013-05-06 CN CN201320247158XU patent/CN203285359U/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109488203A (zh) * | 2018-11-28 | 2019-03-19 | 李少江 | 万向轴 |
CN111559727A (zh) * | 2020-05-28 | 2020-08-21 | 浙江鲁创电力科技有限公司 | 一种高铁接触网施工检修平台 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200925 Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Bohai Petroleum Equipment Manufacturing Co.,Ltd. Patentee after: Bohai Petroleum Equipment (Tianjin) Zhongcheng Machinery Manufacturing Co.,Ltd. Address before: 300280 Hongqi Road, Dagang oil field, Tianjin, Grand Port Patentee before: CNPC Bohai Petroleum Equipment Manufacturing Co.,Ltd. Patentee before: Bohai Petroleum Equipment (Tianjin) Zhongcheng Machinery Manufacturing Co.,Ltd. |
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TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131113 Termination date: 20210506 |
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CF01 | Termination of patent right due to non-payment of annual fee |