CN201078194Y - 改进的钎杆 - Google Patents
改进的钎杆 Download PDFInfo
- Publication number
- CN201078194Y CN201078194Y CNU2007200289430U CN200720028943U CN201078194Y CN 201078194 Y CN201078194 Y CN 201078194Y CN U2007200289430 U CNU2007200289430 U CN U2007200289430U CN 200720028943 U CN200720028943 U CN 200720028943U CN 201078194 Y CN201078194 Y CN 201078194Y
- Authority
- CN
- China
- Prior art keywords
- shank
- drill
- collar
- fixing bushing
- utility
- 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
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 32
- 239000010959 steel Substances 0.000 claims abstract description 32
- 238000005242 forging Methods 0.000 abstract description 5
- 238000005553 drilling Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Images
Landscapes
- Earth Drilling (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007200289430U CN201078194Y (zh) | 2007-10-02 | 2007-10-02 | 改进的钎杆 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007200289430U CN201078194Y (zh) | 2007-10-02 | 2007-10-02 | 改进的钎杆 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201078194Y true CN201078194Y (zh) | 2008-06-25 |
Family
ID=39570256
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNU2007200289430U Expired - Fee Related CN201078194Y (zh) | 2007-10-02 | 2007-10-02 | 改进的钎杆 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN201078194Y (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102644441A (zh) * | 2011-08-18 | 2012-08-22 | 贵阳捷盛科技实业发展有限公司 | 一种锥形钎杆及其制作方法 |
-
2007
- 2007-10-02 CN CNU2007200289430U patent/CN201078194Y/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102644441A (zh) * | 2011-08-18 | 2012-08-22 | 贵阳捷盛科技实业发展有限公司 | 一种锥形钎杆及其制作方法 |
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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 Rock Drilling Tool Factory Co Ltd Assignor: Li Mingsuo Contract record no.: 2011370000334 Denomination of utility model: Improved-structure-based drill rod for hydraulic hammer Granted publication date: 20080625 License type: Exclusive License Record date: 20110714 |
|
ASS | Succession or assignment of patent right |
Owner name: SHANDONG ROCK DRILLING TOOLS CO., LTD. Free format text: FORMER OWNER: LI MINGSUO Effective date: 20130315 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20130315 Address after: 252311, No. three, 3 mountain road, West Lake Town, Yanggu County, Shandong, Liaocheng Patentee after: Shandong drilling & Drilling Tools Co., Ltd. Address before: 252311 Shandong Yanggu drilling & Drilling Tools Factory Co., Ltd., West Lake 14, Shandong, China Patentee before: Li Mingsuo |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080625 Termination date: 20131002 |