CN201460737U - 防塌孔钻具 - Google Patents
防塌孔钻具 Download PDFInfo
- Publication number
- CN201460737U CN201460737U CN2009201032201U CN200920103220U CN201460737U CN 201460737 U CN201460737 U CN 201460737U CN 2009201032201 U CN2009201032201 U CN 2009201032201U CN 200920103220 U CN200920103220 U CN 200920103220U CN 201460737 U CN201460737 U CN 201460737U
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- Prior art keywords
- drill
- drilling rod
- handle
- hole
- cubic
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Abstract
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009201032201U CN201460737U (zh) | 2009-06-11 | 2009-06-11 | 防塌孔钻具 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN2009201032201U CN201460737U (zh) | 2009-06-11 | 2009-06-11 | 防塌孔钻具 |
Publications (1)
Publication Number | Publication Date |
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CN201460737U true CN201460737U (zh) | 2010-05-12 |
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CN2009201032201U Expired - Lifetime CN201460737U (zh) | 2009-06-11 | 2009-06-11 | 防塌孔钻具 |
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CN (1) | CN201460737U (zh) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102996081A (zh) * | 2012-11-27 | 2013-03-27 | 恒天九五重工有限公司 | 一种钻机钻头装置 |
CN106351585A (zh) * | 2016-10-27 | 2017-01-25 | 东南大学 | 一种防塌孔和缩径的双向螺旋挤扩钻具及其施工工艺 |
CN106930735A (zh) * | 2017-05-02 | 2017-07-07 | 阳泉煤业集团华越机械有限公司 | 一种可开闭型钻机筛管帽 |
CN107100551A (zh) * | 2017-06-24 | 2017-08-29 | 中地君豪建筑工程有限公司 | 一种淤泥地层钻进防塌的钻头 |
CN114033317A (zh) * | 2021-11-26 | 2022-02-11 | 上海宝冶集团有限公司 | 一种钻孔送管注套壳料一体的改进钻杆装置 |
-
2009
- 2009-06-11 CN CN2009201032201U patent/CN201460737U/zh not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102996081A (zh) * | 2012-11-27 | 2013-03-27 | 恒天九五重工有限公司 | 一种钻机钻头装置 |
CN106351585A (zh) * | 2016-10-27 | 2017-01-25 | 东南大学 | 一种防塌孔和缩径的双向螺旋挤扩钻具及其施工工艺 |
CN106930735A (zh) * | 2017-05-02 | 2017-07-07 | 阳泉煤业集团华越机械有限公司 | 一种可开闭型钻机筛管帽 |
CN107100551A (zh) * | 2017-06-24 | 2017-08-29 | 中地君豪建筑工程有限公司 | 一种淤泥地层钻进防塌的钻头 |
CN107100551B (zh) * | 2017-06-24 | 2023-12-19 | 广州君豪岩土工程有限公司 | 一种淤泥地层钻进防塌的钻头 |
CN114033317A (zh) * | 2021-11-26 | 2022-02-11 | 上海宝冶集团有限公司 | 一种钻孔送管注套壳料一体的改进钻杆装置 |
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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: Anti-collapse hole drill tool Effective date of registration: 20101126 Granted publication date: 20100512 Pledgee: Chinese bank Limited by Share Ltd Shijiazhuang Yudong branch Pledgor: Shijiazhuang Coal Equipment Manufacturing Co., Ltd.|Hebei Ji Kai Industrial Group Co., Ltd. Registration number: 2010990000979 |
|
C56 | Change in the name or address of the patentee |
Owner name: SHIJIAZHUANG ZHONGMEI COAL MINE EQUIPMENT MANUFACT Free format text: FORMER NAME: SHIJIAZHUANG CHINA COAL EQUIPMENT MANUFACTURING CO., LTD. |
|
CP03 | Change of name, title or address |
Address after: 050035 No. 89 the Yellow River Avenue, Shijiazhuang hi tech Development Zone, Hebei Patentee after: Shijiazhuang Zhongmei Coal Mine Equipment Manufacture Co., Ltd. Address before: 050035 No. 89, the Yellow River Avenue, hi tech Zone, Hebei, Shijiazhuang Patentee before: Shijiazhuang China Coal Equipment Manufacturing Co., Ltd. |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20110615 Granted publication date: 20100512 Pledgee: Chinese bank Limited by Share Ltd Shijiazhuang Yudong branch Pledgor: Shijiazhuang Coal Equipment Manufacturing Co., Ltd.|Hebei Ji Kai Industrial Group Co., Ltd. Registration number: 2010990000979 |
|
C56 | Change in the name or address of the patentee | ||
CP03 | Change of name, title or address |
Address after: 050035 Xiangjiang Road, Shijiazhuang high tech Zone, Hebei, No. 418 Patentee after: JIKAI EQUIPMENT MANUFACTURING CO., LTD. Address before: 050035 No. 89, the Yellow River Avenue, hi tech Zone, Hebei, Shijiazhuang Patentee before: Shijiazhuang Zhongmei Coal Mine Equipment Manufacture Co., Ltd. |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20160612 Address after: 050035 room, room, room 418, No. 409, Xiangjiang Road, hi tech Zone, Shijiazhuang, Hebei, China, 408 Patentee after: Hebei Mechanical & Electrical Technology Co., Ltd. Address before: 050035 Xiangjiang Road, Shijiazhuang high tech Zone, Hebei, No. 418 Patentee before: JIKAI EQUIPMENT MANUFACTURING CO., LTD. |
|
CX01 | Expiry of patent term |
Granted publication date: 20100512 |
|
CX01 | Expiry of patent term |