CN101915065B - 一种前端为半球形的旋挖钻机钻杆 - Google Patents
一种前端为半球形的旋挖钻机钻杆 Download PDFInfo
- Publication number
- CN101915065B CN101915065B CN2010102714192A CN201010271419A CN101915065B CN 101915065 B CN101915065 B CN 101915065B CN 2010102714192 A CN2010102714192 A CN 2010102714192A CN 201010271419 A CN201010271419 A CN 201010271419A CN 101915065 B CN101915065 B CN 101915065B
- Authority
- CN
- China
- Prior art keywords
- drill stem
- drilling rod
- drilling
- hinge joint
- rod 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 (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010102714192A CN101915065B (zh) | 2010-09-03 | 2010-09-03 | 一种前端为半球形的旋挖钻机钻杆 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010102714192A CN101915065B (zh) | 2010-09-03 | 2010-09-03 | 一种前端为半球形的旋挖钻机钻杆 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101915065A CN101915065A (zh) | 2010-12-15 |
CN101915065B true CN101915065B (zh) | 2012-08-29 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2010102714192A Expired - Fee Related CN101915065B (zh) | 2010-09-03 | 2010-09-03 | 一种前端为半球形的旋挖钻机钻杆 |
Country Status (1)
Country | Link |
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CN (1) | CN101915065B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107448153B (zh) * | 2017-09-26 | 2021-05-14 | 郭越 | 一种旋挖桩机钻杆 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2687024A (en) * | 1950-11-21 | 1954-08-24 | Fmc Corp | Ball and scoket joint construction |
DE2518604A1 (de) * | 1975-04-24 | 1976-11-04 | Mannesmann Roehren Werke Ag | Rohrsystem fuer off-shore erdoeloder gasbohrungen |
CN101506460A (zh) * | 2006-08-02 | 2009-08-12 | 欧罗斯劳特 | 铰接的开采导管 |
JP4470055B2 (ja) * | 2004-02-23 | 2010-06-02 | 有限会社蜻蛉工房社 | ビット付きロッド |
CN201802323U (zh) * | 2010-09-03 | 2011-04-20 | 李新桥 | 前端为半球形的旋挖钻机钻杆 |
-
2010
- 2010-09-03 CN CN2010102714192A patent/CN101915065B/zh not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2687024A (en) * | 1950-11-21 | 1954-08-24 | Fmc Corp | Ball and scoket joint construction |
DE2518604A1 (de) * | 1975-04-24 | 1976-11-04 | Mannesmann Roehren Werke Ag | Rohrsystem fuer off-shore erdoeloder gasbohrungen |
JP4470055B2 (ja) * | 2004-02-23 | 2010-06-02 | 有限会社蜻蛉工房社 | ビット付きロッド |
CN101506460A (zh) * | 2006-08-02 | 2009-08-12 | 欧罗斯劳特 | 铰接的开采导管 |
CN201802323U (zh) * | 2010-09-03 | 2011-04-20 | 李新桥 | 前端为半球形的旋挖钻机钻杆 |
Also Published As
Publication number | Publication date |
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CN101915065A (zh) | 2010-12-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20101215 Assignee: CHTC JOVE Heavy Industry Co., Ltd. Assignor: Li Xinqiao Contract record no.: 2013430000107 Denomination of invention: Hemispherical drill stem for rotary drilling rig Granted publication date: 20120829 License type: Exclusive License Record date: 20130716 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120829 Termination date: 20150903 |
|
EXPY | Termination of patent right or utility model |