CN203559787U - Staggered tooth-shaped drill bit used for drilling - Google Patents
Staggered tooth-shaped drill bit used for drilling Download PDFInfo
- Publication number
- CN203559787U CN203559787U CN201320619747.6U CN201320619747U CN203559787U CN 203559787 U CN203559787 U CN 203559787U CN 201320619747 U CN201320619747 U CN 201320619747U CN 203559787 U CN203559787 U CN 203559787U
- Authority
- CN
- China
- Prior art keywords
- bit
- bit matrix
- steel body
- cylindrical steel
- drilling
- 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
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Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320619747.6U CN203559787U (en) | 2013-10-09 | 2013-10-09 | Staggered tooth-shaped drill bit used for drilling |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201320619747.6U CN203559787U (en) | 2013-10-09 | 2013-10-09 | Staggered tooth-shaped drill bit used for drilling |
Publications (1)
Publication Number | Publication Date |
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CN203559787U true CN203559787U (en) | 2014-04-23 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201320619747.6U Expired - Fee Related CN203559787U (en) | 2013-10-09 | 2013-10-09 | Staggered tooth-shaped drill bit used for drilling |
Country Status (1)
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CN (1) | CN203559787U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103510860A (en) * | 2013-10-09 | 2014-01-15 | 无锡中地地质装备有限公司 | Staggered tooth-shaped drill bit for exploratory drilling |
CN108131102A (en) * | 2018-01-30 | 2018-06-08 | 无锡锡钻地质装备有限公司 | A kind of two rank drill bits and its manufacturing method |
-
2013
- 2013-10-09 CN CN201320619747.6U patent/CN203559787U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103510860A (en) * | 2013-10-09 | 2014-01-15 | 无锡中地地质装备有限公司 | Staggered tooth-shaped drill bit for exploratory drilling |
CN108131102A (en) * | 2018-01-30 | 2018-06-08 | 无锡锡钻地质装备有限公司 | A kind of two rank drill bits and its manufacturing method |
CN108131102B (en) * | 2018-01-30 | 2023-08-29 | 无锡锡钻地质装备有限公司 | Two-stage drill bit and manufacturing method thereof |
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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: 20140424 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20140424 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 |