CN203239277U - 一种水力坐封止浆塞 - Google Patents
一种水力坐封止浆塞 Download PDFInfo
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- CN203239277U CN203239277U CN 201320217629 CN201320217629U CN203239277U CN 203239277 U CN203239277 U CN 203239277U CN 201320217629 CN201320217629 CN 201320217629 CN 201320217629 U CN201320217629 U CN 201320217629U CN 203239277 U CN203239277 U CN 203239277U
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CN 201320217629 CN203239277U (zh) | 2012-10-08 | 2013-04-26 | 一种水力坐封止浆塞 |
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CN201220510931 | 2012-10-08 | ||
CN201220510931.2 | 2012-10-08 | ||
CN 201320217629 CN203239277U (zh) | 2012-10-08 | 2013-04-26 | 一种水力坐封止浆塞 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103835676A (zh) * | 2013-11-07 | 2014-06-04 | 北京中煤矿山工程有限公司 | 一种l型钻孔地面预注浆高压止浆装备 |
CN108505968A (zh) * | 2018-05-10 | 2018-09-07 | 中国地质大学(武汉) | 一种定点定量注浆器及系统 |
CN110424892A (zh) * | 2019-07-12 | 2019-11-08 | 中煤科工集团西安研究院有限公司 | 一种矿井近水平定向钻孔的突水治理方法 |
CN111927377A (zh) * | 2020-08-27 | 2020-11-13 | 中铁一局集团有限公司 | 节能型隧道超前小导管快装止浆结构 |
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2013
- 2013-04-26 CN CN 201320217629 patent/CN203239277U/zh not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103835676A (zh) * | 2013-11-07 | 2014-06-04 | 北京中煤矿山工程有限公司 | 一种l型钻孔地面预注浆高压止浆装备 |
CN108505968A (zh) * | 2018-05-10 | 2018-09-07 | 中国地质大学(武汉) | 一种定点定量注浆器及系统 |
CN110424892A (zh) * | 2019-07-12 | 2019-11-08 | 中煤科工集团西安研究院有限公司 | 一种矿井近水平定向钻孔的突水治理方法 |
CN111927377A (zh) * | 2020-08-27 | 2020-11-13 | 中铁一局集团有限公司 | 节能型隧道超前小导管快装止浆结构 |
CN111927377B (zh) * | 2020-08-27 | 2022-04-01 | 中铁一局集团有限公司 | 节能型隧道超前小导管快装止浆结构 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
C53 | Correction of patent of invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Yuan Hui Inventor after: Chen Yuankun Inventor after: An Xuliang Inventor after: Dong Xinwang Inventor after: Pu Chaoyang Inventor after: Deng Yun Inventor after: Li Shangze Inventor after: Shao Gongyu Inventor before: Yuan Hui Inventor before: An Xuliang Inventor before: Dong Xinwang Inventor before: Pu Chaoyang Inventor before: Deng Yun Inventor before: Li Shangze Inventor before: Shao Gongyu |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: YUAN HUI AN XULIANG DONG XINWANG PU ZHAOYANG DENG YUN LI SHANGZE SHAO GONGYU TO: YUAN HUI CHEN YUANKUN AN XULIANG DONG XINWANG PU ZHAOYANG DENG YUN LI SHANGZE SHAO GONGYU |
|
GR01 | Patent grant | ||
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20131016 |