CN201013388Y - Single-column collapse-proof roof board - Google Patents
Single-column collapse-proof roof board Download PDFInfo
- Publication number
- CN201013388Y CN201013388Y CNU2007200348496U CN200720034849U CN201013388Y CN 201013388 Y CN201013388 Y CN 201013388Y CN U2007200348496 U CNU2007200348496 U CN U2007200348496U CN 200720034849 U CN200720034849 U CN 200720034849U CN 201013388 Y CN201013388 Y CN 201013388Y
- Authority
- CN
- China
- Prior art keywords
- top cover
- utility
- column
- model
- seat board
- 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
Links
- 230000002265 prevention Effects 0.000 claims abstract description 6
- 238000012856 packing Methods 0.000 claims description 7
- 239000003245 coal Substances 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 3
- 239000010959 steel Substances 0.000 abstract description 3
- 239000004744 fabric Substances 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
Description
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200348496U CN201013388Y (en) | 2007-02-27 | 2007-02-27 | Single-column collapse-proof roof board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200348496U CN201013388Y (en) | 2007-02-27 | 2007-02-27 | Single-column collapse-proof roof board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201013388Y true CN201013388Y (en) | 2008-01-30 |
Family
ID=39025175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200348496U Expired - Fee Related CN201013388Y (en) | 2007-02-27 | 2007-02-27 | Single-column collapse-proof roof board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201013388Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322279A (en) * | 2011-05-25 | 2012-01-18 | 李冠群 | Shock resistance is mining hydraulic prop cap boots and preparation method thereof |
-
2007
- 2007-02-27 CN CNU2007200348496U patent/CN201013388Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322279A (en) * | 2011-05-25 | 2012-01-18 | 李冠群 | Shock resistance is mining hydraulic prop cap boots and preparation method thereof |
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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: Xuzhou Tianneng Electromechanical Co., Ltd. Assignor: Xuzhou Tianneng Electrical Mechanical Co., Ltd. Contract fulfillment period: 2009.3.6 to 2014.3.6 Contract record no.: 2009320000792 Denomination of utility model: Single-column collapse-proof roof board Granted publication date: 20080130 License type: Exclusive license Record date: 20090506 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.3.6 TO 2014.3.6; CHANGE OF CONTRACT Name of requester: XUZHOU TIANNENG ELECTROMECHANICAL CO.,LTD. Effective date: 20090506 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080130 |