CN201180498Y - 轻型钎具 - Google Patents
轻型钎具 Download PDFInfo
- Publication number
- CN201180498Y CN201180498Y CNU2008200207435U CN200820020743U CN201180498Y CN 201180498 Y CN201180498 Y CN 201180498Y CN U2008200207435 U CNU2008200207435 U CN U2008200207435U CN 200820020743 U CN200820020743 U CN 200820020743U CN 201180498 Y CN201180498 Y CN 201180498Y
- Authority
- CN
- China
- Prior art keywords
- bore bit
- plane
- drill steel
- light
- drill
- 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
- 239000000956 alloy Substances 0.000 claims abstract description 20
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 34
- 239000010959 steel Substances 0.000 claims description 34
- 238000005553 drilling Methods 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000003466 welding Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 239000000843 powder Substances 0.000 description 6
- 238000009826 distribution Methods 0.000 description 4
- 230000035515 penetration Effects 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 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 (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2008200207435U CN201180498Y (zh) | 2008-04-20 | 2008-04-20 | 轻型钎具 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2008200207435U CN201180498Y (zh) | 2008-04-20 | 2008-04-20 | 轻型钎具 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201180498Y true CN201180498Y (zh) | 2009-01-14 |
Family
ID=40249999
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNU2008200207435U Expired - Fee Related CN201180498Y (zh) | 2008-04-20 | 2008-04-20 | 轻型钎具 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN201180498Y (zh) |
-
2008
- 2008-04-20 CN CNU2008200207435U patent/CN201180498Y/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 | ||
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 three mountain group, 14 West Lake County, Shandong, Yanggu Patentee before: Li Mingsuo |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090114 Termination date: 20130420 |