CN202417403U - 一种瓦斯抽采封孔装置 - Google Patents
一种瓦斯抽采封孔装置 Download PDFInfo
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- CN202417403U CN202417403U CN 201120375741 CN201120375741U CN202417403U CN 202417403 U CN202417403 U CN 202417403U CN 201120375741 CN201120375741 CN 201120375741 CN 201120375741 U CN201120375741 U CN 201120375741U CN 202417403 U CN202417403 U CN 202417403U
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CN 201120375741 CN202417403U (zh) | 2011-09-28 | 2011-09-28 | 一种瓦斯抽采封孔装置 |
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CN 201120375741 CN202417403U (zh) | 2011-09-28 | 2011-09-28 | 一种瓦斯抽采封孔装置 |
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CN202417403U true CN202417403U (zh) | 2012-09-05 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105134129A (zh) * | 2015-05-29 | 2015-12-09 | 河南理工大学 | 基于径向强力膨胀瓦斯抽采封孔方法 |
CN105822255A (zh) * | 2016-05-19 | 2016-08-03 | 神华集团有限责任公司 | 一种用于钻孔的封孔装置 |
CN109667561A (zh) * | 2019-01-28 | 2019-04-23 | 重庆广创工贸有限责任公司 | 一种溶剂式快速封孔装置及封孔方法 |
CN112922559A (zh) * | 2021-01-29 | 2021-06-08 | 山东安益矿用设备股份有限公司 | 一种煤矿瓦斯抽采封堵防漏装置 |
-
2011
- 2011-09-28 CN CN 201120375741 patent/CN202417403U/zh not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105134129A (zh) * | 2015-05-29 | 2015-12-09 | 河南理工大学 | 基于径向强力膨胀瓦斯抽采封孔方法 |
CN105134129B (zh) * | 2015-05-29 | 2017-11-07 | 河南理工大学 | 基于径向强力膨胀瓦斯抽采封孔方法 |
CN105822255A (zh) * | 2016-05-19 | 2016-08-03 | 神华集团有限责任公司 | 一种用于钻孔的封孔装置 |
CN109667561A (zh) * | 2019-01-28 | 2019-04-23 | 重庆广创工贸有限责任公司 | 一种溶剂式快速封孔装置及封孔方法 |
CN112922559A (zh) * | 2021-01-29 | 2021-06-08 | 山东安益矿用设备股份有限公司 | 一种煤矿瓦斯抽采封堵防漏装置 |
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C14 | Grant of patent or utility model | ||
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CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: The development zone of Kaifeng City in Henan Province Road No. 1 song 475000 Patentee after: HENAN ENERGY CHEMICAL GROUP ADVANCED EQUIPMENT INSTITUTE Co.,Ltd. Address before: The development zone of Kaifeng City in Henan Province Road No. 1 song 475000 Patentee before: HENAN ENERGY AND CHEMICAL INDUSTRY GROUP RESEARCH INSTITUTE CO.,LTD. |
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CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: The development zone of Kaifeng City in Henan Province Road No. 1 song 475000 Patentee after: HENAN ENERGY AND CHEMICAL INDUSTRY GROUP RESEARCH INSTITUTE CO.,LTD. Address before: 450046, Henan province Zhengzhou Zheng Dong New District business circle road 6 country dragon building Patentee before: HENAN COAL CHEMICAL INDUSTRY GROUP INSTITUTE Co.,Ltd. |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20191025 Address after: The 12th Floor of Newton International B Block, 97 Xuzhuang Road, Jinshui District, Zhengzhou City, Henan Province, 450000 Patentee after: HENAN ENERGY AND CHEMICAL INDUSTRY GROUP RESEARCH INSTITUTE CO.,LTD. Address before: The development zone of Kaifeng City in Henan Province Road No. 1 song 475000 Patentee before: HENAN ENERGY CHEMICAL GROUP ADVANCED EQUIPMENT INSTITUTE Co.,Ltd. |
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CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20120905 |