CN203438179U - 一种改进型大螺栓拆装工具 - Google Patents
一种改进型大螺栓拆装工具 Download PDFInfo
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- CN203438179U CN203438179U CN201320514118.7U CN201320514118U CN203438179U CN 203438179 U CN203438179 U CN 203438179U CN 201320514118 U CN201320514118 U CN 201320514118U CN 203438179 U CN203438179 U CN 203438179U
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320514118.7U CN203438179U (zh) | 2013-08-21 | 2013-08-21 | 一种改进型大螺栓拆装工具 |
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| CN201320514118.7U CN203438179U (zh) | 2013-08-21 | 2013-08-21 | 一种改进型大螺栓拆装工具 |
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| CN203438179U true CN203438179U (zh) | 2014-02-19 |
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| CN201320514118.7U Expired - Fee Related CN203438179U (zh) | 2013-08-21 | 2013-08-21 | 一种改进型大螺栓拆装工具 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106926193A (zh) * | 2017-04-01 | 2017-07-07 | 周生智 | 一种钻井活塞泵备帽的机械拆卸装置及方法 |
| CN110561331A (zh) * | 2019-09-16 | 2019-12-13 | 中国石油集团西部钻探工程有限公司 | 固井水泥车柱塞泵压盖拆装装置 |
| CN116551626A (zh) * | 2023-06-25 | 2023-08-08 | 中联重科股份有限公司 | 螺栓装卸辅助装置和螺栓装卸方法 |
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2013
- 2013-08-21 CN CN201320514118.7U patent/CN203438179U/zh not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106926193A (zh) * | 2017-04-01 | 2017-07-07 | 周生智 | 一种钻井活塞泵备帽的机械拆卸装置及方法 |
| CN108890243A (zh) * | 2017-04-01 | 2018-11-27 | 任斌 | 一种石油作业辅助设备 |
| CN108890243B (zh) * | 2017-04-01 | 2020-02-18 | 刘玉友 | 一种石油作业辅助设备 |
| CN110561331A (zh) * | 2019-09-16 | 2019-12-13 | 中国石油集团西部钻探工程有限公司 | 固井水泥车柱塞泵压盖拆装装置 |
| CN116551626A (zh) * | 2023-06-25 | 2023-08-08 | 中联重科股份有限公司 | 螺栓装卸辅助装置和螺栓装卸方法 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA POWER CONSTRUCTION GROUP ENERGY EQUIPMENT CO Free format text: FORMER NAME: SHANGHAI POWER BUILDING AND REPAIRING GENERAL FACTORY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 201316, Shanghai, Pudong New Area Town, barley Bay Industrial Zone, air route 80 - 86 Patentee after: POWERCHINA SPEM COMPANY LIMITED Address before: 201316, Shanghai, Pudong New Area Town, barley Bay Industrial Zone, air route 80 - 86 Patentee before: Shanghai Power Equipment Manufacture Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140219 Termination date: 20200821 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |