CN204243670U - 一种矿用防爆引入装置 - Google Patents
一种矿用防爆引入装置 Download PDFInfo
- Publication number
- CN204243670U CN204243670U CN201420774303.4U CN201420774303U CN204243670U CN 204243670 U CN204243670 U CN 204243670U CN 201420774303 U CN201420774303 U CN 201420774303U CN 204243670 U CN204243670 U CN 204243670U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- threading
- lead
- threading screw
- explosion
- 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
- 238000004880 explosion Methods 0.000 title claims abstract description 12
- 239000011347 resin Substances 0.000 claims abstract description 14
- 229920005989 resin Polymers 0.000 claims abstract description 14
- 238000005065 mining Methods 0.000 abstract description 3
- 230000010412 perfusion Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- Elimination Of Static Electricity (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420774303.4U CN204243670U (zh) | 2014-12-11 | 2014-12-11 | 一种矿用防爆引入装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420774303.4U CN204243670U (zh) | 2014-12-11 | 2014-12-11 | 一种矿用防爆引入装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204243670U true CN204243670U (zh) | 2015-04-01 |
Family
ID=52773117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420774303.4U Expired - Fee Related CN204243670U (zh) | 2014-12-11 | 2014-12-11 | 一种矿用防爆引入装置 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204243670U (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931673A (zh) * | 2015-06-28 | 2015-09-23 | 哈尔滨东方报警设备开发有限公司 | 一种防爆钢网呼吸装置 |
-
2014
- 2014-12-11 CN CN201420774303.4U patent/CN204243670U/zh not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931673A (zh) * | 2015-06-28 | 2015-09-23 | 哈尔滨东方报警设备开发有限公司 | 一种防爆钢网呼吸装置 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Mine anti-explosion lead-in device Effective date of registration: 20151029 Granted publication date: 20150401 Pledgee: Bank of Harbin Limited by Share Ltd. Nangang branch Pledgor: HARBIN EAST ALARM EQUIPMENT DEVELOPMENT Co.,Ltd. Registration number: 2015990000935 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20161108 Granted publication date: 20150401 Pledgee: Bank of Harbin Limited by Share Ltd. Nangang branch Pledgor: HARBIN EAST ALARM EQUIPMENT DEVELOPMENT Co.,Ltd. Registration number: 2015990000935 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Mine anti-explosion lead-in device Effective date of registration: 20161108 Granted publication date: 20150401 Pledgee: Bank of Harbin Limited by Share Ltd. Nangang branch Pledgor: HARBIN EAST ALARM EQUIPMENT DEVELOPMENT Co.,Ltd. Registration number: 2016990000958 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| 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: 20190416 Granted publication date: 20150401 Pledgee: Bank of Harbin Limited by Share Ltd. Nangang branch Pledgor: HARBIN EAST ALARM EQUIPMENT DEVELOPMENT Co.,Ltd. Registration number: 2016990000958 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150401 |