CN201288578Y - 一种小阶段煤层液压支架 - Google Patents
一种小阶段煤层液压支架 Download PDFInfo
- Publication number
- CN201288578Y CN201288578Y CNU2008201237315U CN200820123731U CN201288578Y CN 201288578 Y CN201288578 Y CN 201288578Y CN U2008201237315 U CNU2008201237315 U CN U2008201237315U CN 200820123731 U CN200820123731 U CN 200820123731U CN 201288578 Y CN201288578 Y CN 201288578Y
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- coal
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- stent
- hydraulic support
- caving
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNU2008201237315U CN201288578Y (zh) | 2008-11-14 | 2008-11-14 | 一种小阶段煤层液压支架 |
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CNU2008201237315U CN201288578Y (zh) | 2008-11-14 | 2008-11-14 | 一种小阶段煤层液压支架 |
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CN201288578Y true CN201288578Y (zh) | 2009-08-12 |
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CNU2008201237315U Expired - Fee Related CN201288578Y (zh) | 2008-11-14 | 2008-11-14 | 一种小阶段煤层液压支架 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106437805A (zh) * | 2016-11-02 | 2017-02-22 | 中煤科工集团国际工程有限公司 | 一种用于开采4‑10m急倾斜煤层的放顶煤液压支架联合体 |
CN111236997A (zh) * | 2020-02-24 | 2020-06-05 | 北京中矿创新联盟能源环境科学研究院 | 极薄煤层自移液压支架 |
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2008
- 2008-11-14 CN CNU2008201237315U patent/CN201288578Y/zh not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106437805A (zh) * | 2016-11-02 | 2017-02-22 | 中煤科工集团国际工程有限公司 | 一种用于开采4‑10m急倾斜煤层的放顶煤液压支架联合体 |
CN106437805B (zh) * | 2016-11-02 | 2020-09-08 | 中煤科工集团国际工程有限公司 | 一种用于开采4-10m急倾斜煤层的放顶煤液压支架联合体 |
CN111236997A (zh) * | 2020-02-24 | 2020-06-05 | 北京中矿创新联盟能源环境科学研究院 | 极薄煤层自移液压支架 |
CN111236997B (zh) * | 2020-02-24 | 2021-07-13 | 北京中矿创新联盟能源环境科学研究院 | 极薄煤层自移液压支架 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Li Wang Inventor after: Wang Lei Inventor after: Liu Qian Inventor after: Liang Huiyong Inventor before: Li Wang Inventor before: Wang Lei Inventor before: Liu Xiangqian |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LI WANG; WANG LEI; LIU XIANGQIAN TO: LI WANG; WANG LEI; LIU XIANGQIAN; LIANG HUIYONG |
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ASS | Succession or assignment of patent right |
Owner name: XINJIANG SANLI MACHINERY MANUFACTURE CO., LTD. Free format text: FORMER OWNER: LI WANG Effective date: 20100625 |
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C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 830091 NO.72, FRIENDSHIP ROAD, MIDONG NEW DISTRICT, URUMQI, XINJIANG UYGUR AUTONOMOUS REGION INJIANG SANLI MACHINERY MANUFACTURE CO., LTD. TO: 830091 NO.72, YOUHAO ROAD, MIDONGXIN DISTRICT, URUMQI CITY, XINJIANG UYGUR AUTONOMOUS REGION |
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TR01 | Transfer of patent right |
Effective date of registration: 20100625 Address after: 830091 the Xinjiang Uygur Autonomous Region Urumqi Midong District friendly Road No. 72 Patentee after: Xinjiang Sanli Machinery Manufacturing Co., Ltd. Address before: 830091 the Xinjiang Uygur Autonomous Region Urumqi Midong District friendly Road No. 72 (Xinjiang Sanli Machinery Manufacturing Co., Ltd.) Patentee before: Li Wang |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090812 Termination date: 20151114 |
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EXPY | Termination of patent right or utility model |