CN202081857U - 一种瓦斯抽放钻孔的封孔设备 - Google Patents
一种瓦斯抽放钻孔的封孔设备 Download PDFInfo
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- CN202081857U CN202081857U CN2011200247896U CN201120024789U CN202081857U CN 202081857 U CN202081857 U CN 202081857U CN 2011200247896 U CN2011200247896 U CN 2011200247896U CN 201120024789 U CN201120024789 U CN 201120024789U CN 202081857 U CN202081857 U CN 202081857U
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CN2011200247896U CN202081857U (zh) | 2011-01-26 | 2011-01-26 | 一种瓦斯抽放钻孔的封孔设备 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105134125A (zh) * | 2015-08-26 | 2015-12-09 | 北京中煤矿山工程有限公司 | 瓦斯立井壁后环空底端封堵施工工艺 |
CN105156148A (zh) * | 2015-08-26 | 2015-12-16 | 北京中煤矿山工程有限公司 | 瓦斯立井瓦斯管道安装工艺 |
CN106930720A (zh) * | 2017-03-24 | 2017-07-07 | 中国矿业大学 | 一种煤矿井下钻孔用多胶囊封孔装置及其封孔方法 |
CN108825165A (zh) * | 2018-06-11 | 2018-11-16 | 中国矿业大学 | 一种瓦斯抽采钻孔便捷注射式封孔器及封孔方法 |
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2011
- 2011-01-26 CN CN2011200247896U patent/CN202081857U/zh not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105134125A (zh) * | 2015-08-26 | 2015-12-09 | 北京中煤矿山工程有限公司 | 瓦斯立井壁后环空底端封堵施工工艺 |
CN105156148A (zh) * | 2015-08-26 | 2015-12-16 | 北京中煤矿山工程有限公司 | 瓦斯立井瓦斯管道安装工艺 |
CN105134125B (zh) * | 2015-08-26 | 2018-09-11 | 北京中煤矿山工程有限公司 | 瓦斯立井壁后环空底端封堵施工工艺 |
CN106930720A (zh) * | 2017-03-24 | 2017-07-07 | 中国矿业大学 | 一种煤矿井下钻孔用多胶囊封孔装置及其封孔方法 |
CN106930720B (zh) * | 2017-03-24 | 2020-06-05 | 中国矿业大学 | 一种煤矿井下钻孔用多胶囊封孔装置及其封孔方法 |
CN108825165A (zh) * | 2018-06-11 | 2018-11-16 | 中国矿业大学 | 一种瓦斯抽采钻孔便捷注射式封孔器及封孔方法 |
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Effective date of registration: 20150713 Address after: 065200 5-1 factory building of Tianshan international business base, West University of chemical industry, Yanjiao Development Zone, Langfang, Sanhe, Hebei Patentee after: Hebei five letter Technology Co., Ltd. Address before: 100039, room 6, building 16, 2032 Taiping Road, Haidian District, Beijing Patentee before: BEIJING TIANHAI ZONGHENG TECHNOLOGY CO LTD |
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Effective date of registration: 20191031 Address after: 868 Tong'an Road, Laoshan District, Qingdao, Shandong Patentee after: Qingdao Sixian Chemical Technology Co., Ltd Address before: 065200 5-1 factory building of Tianshan international business base, West University of chemical industry, Yanjiao Development Zone, Langfang, Sanhe, Hebei Patentee before: Hebei five letter Technology Co., Ltd. |
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