CN201460767U - 螺栓连接型方头螺旋钻杆 - Google Patents
螺栓连接型方头螺旋钻杆 Download PDFInfo
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- CN201460767U CN201460767U CN 200920127307 CN200920127307U CN201460767U CN 201460767 U CN201460767 U CN 201460767U CN 200920127307 CN200920127307 CN 200920127307 CN 200920127307 U CN200920127307 U CN 200920127307U CN 201460767 U CN201460767 U CN 201460767U
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CN 200920127307 CN201460767U (zh) | 2009-05-14 | 2009-05-14 | 螺栓连接型方头螺旋钻杆 |
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CN 200920127307 CN201460767U (zh) | 2009-05-14 | 2009-05-14 | 螺栓连接型方头螺旋钻杆 |
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CN201460767U true CN201460767U (zh) | 2010-05-12 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102392611A (zh) * | 2011-10-14 | 2012-03-28 | 武汉武船机电设备有限责任公司 | 无出土螺纹钻杆及同时形成螺纹和光杆的无出土打桩方法 |
CN103953290A (zh) * | 2014-05-26 | 2014-07-30 | 贵州大学 | 一种实现螺纹连接式螺旋钻杆抱钻反转抽出装置 |
CN104343398A (zh) * | 2014-10-14 | 2015-02-11 | 中煤科工集团西安研究院有限公司 | 一种多棱锥快速插接密封式螺旋钻杆 |
CN107386977A (zh) * | 2017-07-20 | 2017-11-24 | 建华建材(江苏)有限公司 | 一种内钻机及其施工方法 |
CN107939279A (zh) * | 2017-12-29 | 2018-04-20 | 江苏省无锡探矿机械总厂有限公司 | 用于开建水样监测井的螺旋钻具组件 |
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2009
- 2009-05-14 CN CN 200920127307 patent/CN201460767U/zh not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102392611A (zh) * | 2011-10-14 | 2012-03-28 | 武汉武船机电设备有限责任公司 | 无出土螺纹钻杆及同时形成螺纹和光杆的无出土打桩方法 |
CN103953290A (zh) * | 2014-05-26 | 2014-07-30 | 贵州大学 | 一种实现螺纹连接式螺旋钻杆抱钻反转抽出装置 |
CN103953290B (zh) * | 2014-05-26 | 2016-04-13 | 贵州大学 | 一种实现螺纹连接式螺旋钻杆抱钻反转抽出装置 |
CN104343398A (zh) * | 2014-10-14 | 2015-02-11 | 中煤科工集团西安研究院有限公司 | 一种多棱锥快速插接密封式螺旋钻杆 |
CN107386977A (zh) * | 2017-07-20 | 2017-11-24 | 建华建材(江苏)有限公司 | 一种内钻机及其施工方法 |
CN107386977B (zh) * | 2017-07-20 | 2023-06-20 | 建华建材(中国)有限公司 | 一种内钻机及其施工方法 |
CN107939279A (zh) * | 2017-12-29 | 2018-04-20 | 江苏省无锡探矿机械总厂有限公司 | 用于开建水样监测井的螺旋钻具组件 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: CHINA COAL TECHNOLOGY ENGINEERING GROUP CHONGQING Free format text: FORMER NAME: CHINA COAL SCIENCE AND INDUSTRY GROUP CHONGQING RESEARCH INSTITUTE Owner name: CHINA COAL SCIENCE AND INDUSTRY GROUP CHONGQING RE Free format text: FORMER NAME: COAL SCIENTIFIC RESEARCH INSTITUTE CHONGQING INSTITUTE |
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CP01 | Change in the name or title of a patent holder |
Address after: 400037, No. three village, 55 bridge, Shapingba District, Chongqing Patentee after: Chongqing Research Institute of China Coal Technology & Engineering Group Corp. Address before: 400037, No. three village, 55 bridge, Shapingba District, Chongqing Patentee before: Chongqing Institute of Coal Science Research Institute |
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CP03 | Change of name, title or address |
Address after: 400039 Chongqing Jiulongpo Branch City Road No. 6 Patentee after: CHONGQING RESEARCH INSTITUTE CO., LTD. OF CHINA COAL TECHNOLOGY & ENGINEERING Group Address before: 400037, No. three village, 55 bridge, Shapingba District, Chongqing Patentee before: Chongqing Research Institute of China Coal Technology & Engineering Group Corp. |
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CX01 | Expiry of patent term |
Granted publication date: 20100512 |
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CX01 | Expiry of patent term |