CN2929144Y - Novel drill rod - Google Patents
Novel drill rod Download PDFInfo
- Publication number
- CN2929144Y CN2929144Y CN 200620086788 CN200620086788U CN2929144Y CN 2929144 Y CN2929144 Y CN 2929144Y CN 200620086788 CN200620086788 CN 200620086788 CN 200620086788 U CN200620086788 U CN 200620086788U CN 2929144 Y CN2929144 Y CN 2929144Y
- Authority
- CN
- China
- Prior art keywords
- drill
- shank
- drill steel
- shank collar
- reinforcing rib
- 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 description 21
- 239000010959 steel Substances 0.000 claims description 21
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 239000003351 stiffener Substances 0.000 abstract 1
- 238000005728 strengthening Methods 0.000 abstract 1
- 238000005553 drilling Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000002035 prolonged effect Effects 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 |
---|---|---|---|
CN 200620086788 CN2929144Y (en) | 2006-07-06 | 2006-07-06 | Novel drill rod |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200620086788 CN2929144Y (en) | 2006-07-06 | 2006-07-06 | Novel drill rod |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2929144Y true CN2929144Y (en) | 2007-08-01 |
Family
ID=38307528
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200620086788 Expired - Fee Related CN2929144Y (en) | 2006-07-06 | 2006-07-06 | Novel drill rod |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2929144Y (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105888568A (en) * | 2015-01-16 | 2016-08-24 | 覃海云 | Simple appliance capable of preventing drill rod from cracking and hurting people |
-
2006
- 2006-07-06 CN CN 200620086788 patent/CN2929144Y/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105888568A (en) * | 2015-01-16 | 2016-08-24 | 覃海云 | Simple appliance capable of preventing drill rod from cracking and hurting people |
CN105888568B (en) * | 2015-01-16 | 2020-04-17 | 覃海云 | Simple appliance for preventing drill rod from breaking and hurting people |
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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: 20130320 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20130320 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: 20070801 Termination date: 20130706 |