CN201013402Y - 煤矿专用抽放瓦斯管 - Google Patents
煤矿专用抽放瓦斯管 Download PDFInfo
- Publication number
- CN201013402Y CN201013402Y CNU2007200189428U CN200720018942U CN201013402Y CN 201013402 Y CN201013402 Y CN 201013402Y CN U2007200189428 U CNU2007200189428 U CN U2007200189428U CN 200720018942 U CN200720018942 U CN 200720018942U CN 201013402 Y CN201013402 Y CN 201013402Y
- Authority
- CN
- China
- Prior art keywords
- pipe
- coal mine
- antistatic
- assembled
- retardant
- 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 - Fee Related
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- Rigid Pipes And Flexible Pipes (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007200189428U CN201013402Y (zh) | 2007-02-09 | 2007-02-09 | 煤矿专用抽放瓦斯管 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007200189428U CN201013402Y (zh) | 2007-02-09 | 2007-02-09 | 煤矿专用抽放瓦斯管 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201013402Y true CN201013402Y (zh) | 2008-01-30 |
Family
ID=39025189
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNU2007200189428U Expired - Fee Related CN201013402Y (zh) | 2007-02-09 | 2007-02-09 | 煤矿专用抽放瓦斯管 |
Country Status (1)
Country | Link |
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CN (1) | CN201013402Y (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108825295A (zh) * | 2018-07-05 | 2018-11-16 | 河南工程学院 | 一种采空区瓦斯检测设备及其瓦斯引出装置 |
CN110201869A (zh) * | 2019-06-06 | 2019-09-06 | 淄博鲲鹏防腐设备有限公司 | 煤矿采空区抽放瓦斯Po双抗管道加工方法 |
-
2007
- 2007-02-09 CN CNU2007200189428U patent/CN201013402Y/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108825295A (zh) * | 2018-07-05 | 2018-11-16 | 河南工程学院 | 一种采空区瓦斯检测设备及其瓦斯引出装置 |
CN110201869A (zh) * | 2019-06-06 | 2019-09-06 | 淄博鲲鹏防腐设备有限公司 | 煤矿采空区抽放瓦斯Po双抗管道加工方法 |
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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: SHANDONG WOFENG GERUI PIPE INDUSTRY CO., LTD. Assignor: Yankuang Group Zoucheng plastic products Co., Ltd.|Wang Xin Hyland Contract record no.: 2010370000346 Denomination of utility model: Special gas pumping pipe for coal mine Granted publication date: 20080130 License type: Exclusive License Record date: 20100705 |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080130 Termination date: 20160209 |
|
CF01 | Termination of patent right due to non-payment of annual fee |