CN212927884U - 一种煤矿巷道防渗水用封堵钉 - Google Patents
一种煤矿巷道防渗水用封堵钉 Download PDFInfo
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- CN212927884U CN212927884U CN202021168759.8U CN202021168759U CN212927884U CN 212927884 U CN212927884 U CN 212927884U CN 202021168759 U CN202021168759 U CN 202021168759U CN 212927884 U CN212927884 U CN 212927884U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 239000003245 coal Substances 0.000 title claims abstract description 14
- 230000002265 prevention Effects 0.000 title claims description 13
- 238000005187 foaming Methods 0.000 claims abstract description 94
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 abstract description 12
- 230000008595 infiltration Effects 0.000 description 9
- 238000001764 infiltration Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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CN202021168759.8U CN212927884U (zh) | 2020-06-22 | 2020-06-22 | 一种煤矿巷道防渗水用封堵钉 |
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CN202021168759.8U CN212927884U (zh) | 2020-06-22 | 2020-06-22 | 一种煤矿巷道防渗水用封堵钉 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113684934A (zh) * | 2021-07-21 | 2021-11-23 | 安徽朗凯奇建材有限公司 | 建筑物墙体界面接缝处的防水处理结构及处理方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN113684934A (zh) * | 2021-07-21 | 2021-11-23 | 安徽朗凯奇建材有限公司 | 建筑物墙体界面接缝处的防水处理结构及处理方法 |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20230719 Address after: No. 88, Kengmen Lane, Fanshan Town, Cangnan County, Wenzhou City, Zhejiang Province 325800 Patentee after: Zhou Dezhao Address before: 221000 No.89, team 5, Korean Village, dalonghu, Yunlong District, Xuzhou City, Jiangsu Province Patentee before: Zhang Yu |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20230815 Address after: Room 602, Unit B, Building 2, No. 26-48, Renmin Avenue, Lingxi Town, Cangnan County, Wenzhou City, Zhejiang Province, 325000 (office only) Patentee after: Wenzhou Dongtai Construction Engineering Co.,Ltd. Address before: No. 88, Kengmen Lane, Fanshan Town, Cangnan County, Wenzhou City, Zhejiang Province 325800 Patentee before: Zhou Dezhao |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210409 |