CN203559777U - 钻探用齿形钻头 - Google Patents
钻探用齿形钻头 Download PDFInfo
- Publication number
- CN203559777U CN203559777U CN201320619645.4U CN201320619645U CN203559777U CN 203559777 U CN203559777 U CN 203559777U CN 201320619645 U CN201320619645 U CN 201320619645U CN 203559777 U CN203559777 U CN 203559777U
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- CN
- China
- Prior art keywords
- bit
- drill bit
- tooth
- steel body
- cylindrical steel
- 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.)
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Abstract
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201320619645.4U CN203559777U (zh) | 2013-10-09 | 2013-10-09 | 钻探用齿形钻头 |
Applications Claiming Priority (1)
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CN201320619645.4U CN203559777U (zh) | 2013-10-09 | 2013-10-09 | 钻探用齿形钻头 |
Publications (1)
Publication Number | Publication Date |
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CN203559777U true CN203559777U (zh) | 2014-04-23 |
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CN201320619645.4U Expired - Fee Related CN203559777U (zh) | 2013-10-09 | 2013-10-09 | 钻探用齿形钻头 |
Country Status (1)
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CN (1) | CN203559777U (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103510858A (zh) * | 2013-10-09 | 2014-01-15 | 无锡中地地质装备有限公司 | 钻探用齿形钻头 |
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2013
- 2013-10-09 CN CN201320619645.4U patent/CN203559777U/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103510858A (zh) * | 2013-10-09 | 2014-01-15 | 无锡中地地质装备有限公司 | 钻探用齿形钻头 |
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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: WUXI GEOTEC DRILLING EQUIPMENT CO., LTD. Free format text: FORMER OWNER: WUXI GEOTEC GEOLOGICAL EQUIPMENT CO., LTD. Effective date: 20140411 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20140411 Address after: 214000 Jiangsu Province, Wuxi city Xishan District Yangjian machinery equipment Industrial Park B District Patentee after: WUXI ZHONGDI DRILLING EQUIPMENT CO., LTD. Address before: 214000 Xintai industrial supporting garden, Mei Cun, New District, Jiangsu, Wuxi Patentee before: Wuxi Geotec Geological Equipment Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140423 Termination date: 20151009 |
|
EXPY | Termination of patent right or utility model |