CN202946031U - 钎尾钻杆 - Google Patents
钎尾钻杆 Download PDFInfo
- Publication number
- CN202946031U CN202946031U CN 201220653377 CN201220653377U CN202946031U CN 202946031 U CN202946031 U CN 202946031U CN 201220653377 CN201220653377 CN 201220653377 CN 201220653377 U CN201220653377 U CN 201220653377U CN 202946031 U CN202946031 U CN 202946031U
- Authority
- CN
- China
- Prior art keywords
- bit shank
- drilling rod
- drill rod
- shank
- shank body
- 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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- Earth Drilling (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220653377 CN202946031U (zh) | 2012-12-01 | 2012-12-01 | 钎尾钻杆 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220653377 CN202946031U (zh) | 2012-12-01 | 2012-12-01 | 钎尾钻杆 |
Publications (1)
Publication Number | Publication Date |
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CN202946031U true CN202946031U (zh) | 2013-05-22 |
Family
ID=48421738
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201220653377 Expired - Fee Related CN202946031U (zh) | 2012-12-01 | 2012-12-01 | 钎尾钻杆 |
Country Status (1)
Country | Link |
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CN (1) | CN202946031U (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110052794A (zh) * | 2019-06-05 | 2019-07-26 | 刘艺纯 | 钎尾的制造方法 |
CN114535639A (zh) * | 2022-03-22 | 2022-05-27 | 贵州贵钢钎具制造有限责任公司 | 一种90机钎尾的钻孔方法 |
-
2012
- 2012-12-01 CN CN 201220653377 patent/CN202946031U/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110052794A (zh) * | 2019-06-05 | 2019-07-26 | 刘艺纯 | 钎尾的制造方法 |
CN114535639A (zh) * | 2022-03-22 | 2022-05-27 | 贵州贵钢钎具制造有限责任公司 | 一种90机钎尾的钻孔方法 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Shank drill rod Effective date of registration: 20150104 Granted publication date: 20130522 Pledgee: Bank of Communications Ltd Weifang branch Pledgor: Weifang Tian Rui heavy rock drilling machinery Co., Ltd., Li Yongsheng Registration number: 2015990000002 |
|
PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20160121 Granted publication date: 20130522 Pledgee: Bank of Communications Ltd Weifang branch Pledgor: Weifang Tian Rui heavy rock drilling machinery Co., Ltd., Li Yongsheng Registration number: 2015990000002 |
|
PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130522 Termination date: 20171201 |