CN202213857U - 一种瓦斯抽放孔封堵包装袋 - Google Patents
一种瓦斯抽放孔封堵包装袋 Download PDFInfo
- Publication number
- CN202213857U CN202213857U CN2011202962934U CN201120296293U CN202213857U CN 202213857 U CN202213857 U CN 202213857U CN 2011202962934 U CN2011202962934 U CN 2011202962934U CN 201120296293 U CN201120296293 U CN 201120296293U CN 202213857 U CN202213857 U CN 202213857U
- Authority
- CN
- China
- Prior art keywords
- packaging bag
- extraction hole
- gas extraction
- hole shutoff
- minor face
- 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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Abstract
Description
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011202962934U CN202213857U (zh) | 2011-08-16 | 2011-08-16 | 一种瓦斯抽放孔封堵包装袋 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011202962934U CN202213857U (zh) | 2011-08-16 | 2011-08-16 | 一种瓦斯抽放孔封堵包装袋 |
Publications (1)
Publication Number | Publication Date |
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CN202213857U true CN202213857U (zh) | 2012-05-09 |
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ID=46013124
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2011202962934U Expired - Fee Related CN202213857U (zh) | 2011-08-16 | 2011-08-16 | 一种瓦斯抽放孔封堵包装袋 |
Country Status (1)
Country | Link |
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CN (1) | CN202213857U (zh) |
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2011
- 2011-08-16 CN CN2011202962934U patent/CN202213857U/zh not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: ZHENGZHOU YUANJIAN SAFETY EQUIPMENT CO., LTD. Free format text: FORMER NAME: ZHENGZHOU YUANJIAN COAL MINE EQUIPMENT CO., LTD. |
|
CP01 | Change in the name or title of a patent holder |
Address after: Xinmi City, Henan Province town of Fangshan village 452394 meters in Zhengzhou City Patentee after: ZHENGZHOU YUANJIAN SAFETY EQUIPMENT CO., LTD. Address before: Xinmi City, Henan Province town of Fangshan village 452394 meters in Zhengzhou City Patentee before: Zhengzhou Yuanjian Coal Mine Equipment Co., Ltd. |
|
C56 | Change in the name or address of the patentee | ||
CP02 | Change in the address of a patent holder |
Address after: Xinmi City Town Village 452370 meters persimmon Bay Henan city of Zhengzhou Province Patentee after: ZHENGZHOU YUANJIAN SAFETY EQUIPMENT CO., LTD. Address before: Xinmi City, Henan Province town of Fangshan village 452394 meters in Zhengzhou City Patentee before: ZHENGZHOU YUANJIAN SAFETY EQUIPMENT CO., LTD. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120509 Termination date: 20170816 |
|
CF01 | Termination of patent right due to non-payment of annual fee |