CN202900144U - Hole sealing device for coal bed bedding hole - Google Patents
Hole sealing device for coal bed bedding hole Download PDFInfo
- Publication number
- CN202900144U CN202900144U CN 201220542535 CN201220542535U CN202900144U CN 202900144 U CN202900144 U CN 202900144U CN 201220542535 CN201220542535 CN 201220542535 CN 201220542535 U CN201220542535 U CN 201220542535U CN 202900144 U CN202900144 U CN 202900144U
- Authority
- CN
- China
- Prior art keywords
- hole
- pipe
- sealing
- hole sealing
- sealed opening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 61
- 239000003245 coal Substances 0.000 title claims abstract description 17
- 238000000605 extraction Methods 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 abstract 4
- 239000003795 chemical substances by application Substances 0.000 description 5
- 238000005086 pumping Methods 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 238000005553 drilling Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
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Abstract
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220542535 CN202900144U (en) | 2012-10-23 | 2012-10-23 | Hole sealing device for coal bed bedding hole |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220542535 CN202900144U (en) | 2012-10-23 | 2012-10-23 | Hole sealing device for coal bed bedding hole |
Publications (1)
Publication Number | Publication Date |
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CN202900144U true CN202900144U (en) | 2013-04-24 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 201220542535 Expired - Lifetime CN202900144U (en) | 2012-10-23 | 2012-10-23 | Hole sealing device for coal bed bedding hole |
Country Status (1)
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CN (1) | CN202900144U (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103696800A (en) * | 2013-12-18 | 2014-04-02 | 中国矿业大学 | Drilling, cutting, pressing and pumping method |
CN103993902A (en) * | 2014-05-22 | 2014-08-20 | 中国矿业大学 | Gas extraction drilled hole two-step grouting hole sealing method |
CN103742098B (en) * | 2013-12-30 | 2017-03-01 | 平顶山天安煤业股份有限公司 | A kind of colliery Di Chou lane layer-through drilling return slag hole sealing device and method |
CN107905762A (en) * | 2017-10-11 | 2018-04-13 | 山东科技大学 | A kind of solid powder band pressure grouting dynamic seal hole method |
WO2019105161A1 (en) * | 2017-11-28 | 2019-06-06 | 中国矿业大学 | Bedding borehole-based gas extraction method capable of avoiding air leakage |
-
2012
- 2012-10-23 CN CN 201220542535 patent/CN202900144U/en not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103696800A (en) * | 2013-12-18 | 2014-04-02 | 中国矿业大学 | Drilling, cutting, pressing and pumping method |
CN103696800B (en) * | 2013-12-18 | 2016-03-23 | 中国矿业大学 | A kind of brill cuts pressure and takes out method |
CN103742098B (en) * | 2013-12-30 | 2017-03-01 | 平顶山天安煤业股份有限公司 | A kind of colliery Di Chou lane layer-through drilling return slag hole sealing device and method |
CN103993902A (en) * | 2014-05-22 | 2014-08-20 | 中国矿业大学 | Gas extraction drilled hole two-step grouting hole sealing method |
CN107905762A (en) * | 2017-10-11 | 2018-04-13 | 山东科技大学 | A kind of solid powder band pressure grouting dynamic seal hole method |
WO2019105161A1 (en) * | 2017-11-28 | 2019-06-06 | 中国矿业大学 | Bedding borehole-based gas extraction method capable of avoiding air leakage |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: SUZHOU JINDING TECHNOLOGY SECURITY Co.,Ltd. Assignor: Cai Changhui Contract record no.: 2013340000119 Denomination of utility model: Hole sealing device for coal bed bedding hole Granted publication date: 20130424 License type: Exclusive License Record date: 20130723 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
ASS | Succession or assignment of patent right |
Owner name: SUZHOU JINDING TECHNOLOGY SECURITY CO., LTD. Free format text: FORMER OWNER: CAI CHANGHUI Effective date: 20150225 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20150225 Address after: 234000 north side of Jinhe Road, west of Jinhai Road, Suzhou Development Zone, Anhui Patentee after: SUZHOU JINDING TECHNOLOGY SECURITY Co.,Ltd. Address before: 234000 road in Anhui Province, Suzhou City Yongqiao District of Suzhou city science and Technology Bureau five floor Patentee before: Cai Changhui |
|
EC01 | Cancellation of recordation of patent licensing contract |
Assignee: SUZHOU JINDING TECHNOLOGY SECURITY Co.,Ltd. Assignor: Cai Changhui Contract record no.: 2013340000119 Date of cancellation: 20150202 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Hole sealing device for coal bed bedding hole Effective date of registration: 20191219 Granted publication date: 20130424 Pledgee: Suzhou financing Company limited by guarantee Pledgor: SUZHOU JINDING TECHNOLOGY SECURITY Co.,Ltd. Registration number: Y2019980001142 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210329 Granted publication date: 20130424 Pledgee: Suzhou financing Company limited by guarantee Pledgor: SUZHOU JINDING TECHNOLOGY SECURITY Co.,Ltd. Registration number: Y2019980001142 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A hole sealing device for coal seam bedding hole Effective date of registration: 20210421 Granted publication date: 20130424 Pledgee: Suzhou financing Company limited by guarantee Pledgor: SUZHOU JINDING TECHNOLOGY SECURITY Co.,Ltd. Registration number: Y2021980002838 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220422 Granted publication date: 20130424 Pledgee: Suzhou financing Company limited by guarantee Pledgor: SUZHOU JINDING TECHNOLOGY SECURITY Co.,Ltd. Registration number: Y2021980002838 |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20130424 |