CN204252833U - 一种改进的长螺旋中心压灌cfg桩钻头 - Google Patents
一种改进的长螺旋中心压灌cfg桩钻头 Download PDFInfo
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- CN204252833U CN204252833U CN201420657935.2U CN201420657935U CN204252833U CN 204252833 U CN204252833 U CN 204252833U CN 201420657935 U CN201420657935 U CN 201420657935U CN 204252833 U CN204252833 U CN 204252833U
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- drill bit
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- bit
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- helical blade
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- 239000000956 alloy Substances 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000002689 soil Substances 0.000 abstract description 16
- 238000005299 abrasion Methods 0.000 abstract description 7
- 239000004575 stone Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005553 drilling Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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CN201420657935.2U CN204252833U (zh) | 2014-11-06 | 2014-11-06 | 一种改进的长螺旋中心压灌cfg桩钻头 |
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CN201420657935.2U CN204252833U (zh) | 2014-11-06 | 2014-11-06 | 一种改进的长螺旋中心压灌cfg桩钻头 |
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CN204252833U true CN204252833U (zh) | 2015-04-08 |
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CN201420657935.2U Expired - Fee Related CN204252833U (zh) | 2014-11-06 | 2014-11-06 | 一种改进的长螺旋中心压灌cfg桩钻头 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106703702A (zh) * | 2016-12-28 | 2017-05-24 | 武汉武船重型装备工程有限责任公司 | 一种侧翻盖合金钻头 |
CN106761427A (zh) * | 2016-12-28 | 2017-05-31 | 武汉武船重型装备工程有限责任公司 | 一种钻桩钻具 |
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2014
- 2014-11-06 CN CN201420657935.2U patent/CN204252833U/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106703702A (zh) * | 2016-12-28 | 2017-05-24 | 武汉武船重型装备工程有限责任公司 | 一种侧翻盖合金钻头 |
CN106761427A (zh) * | 2016-12-28 | 2017-05-31 | 武汉武船重型装备工程有限责任公司 | 一种钻桩钻具 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20161130 Address after: 100070 Beijing West Fourth Ring Road, Fengtai District, No. 83 Patentee after: BEIJING AEROSPACE GEOTECHNICAL ENGINEERING INSTITUTE Co.,Ltd. Patentee after: China Aerospace Construction Group Co.,Ltd. Patentee after: BEIJING AEROSPACE FOUNDATION ENGINEERING Co.,Ltd. Address before: 100070 Beijing West Fourth Ring Road, Fengtai District, No. 83 Patentee before: BEIJING AEROSPACE GEOTECHNICAL ENGINEERING INSTITUTE Co.,Ltd. Patentee before: China Aerospace Construction Group Co.,Ltd. |
|
CP01 | Change in the name or title of a patent holder |
Address after: 100070 Beijing West Fourth Ring Road, Fengtai District, No. 83 Co-patentee after: China Aerospace Construction Group Co.,Ltd. Patentee after: SPACEFLIGHT BUILDING DESIGN RESEARCH INSTITUTE Co.,Ltd. Co-patentee after: BEIJING AEROSPACE FOUNDATION ENGINEERING Co.,Ltd. Address before: 100070 Beijing West Fourth Ring Road, Fengtai District, No. 83 Co-patentee before: China Aerospace Construction Group Co.,Ltd. Patentee before: BEIJING AEROSPACE GEOTECHNICAL ENGINEERING INSTITUTE Co.,Ltd. Co-patentee before: BEIJING AEROSPACE FOUNDATION ENGINEERING Co.,Ltd. |
|
CP01 | Change in the name or title of a patent holder | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170810 Address after: 100070 Beijing West Fourth Ring Road, Fengtai District, No. 83 Co-patentee after: BEIJING AEROSPACE FOUNDATION ENGINEERING Co.,Ltd. Patentee after: SPACEFLIGHT BUILDING DESIGN RESEARCH INSTITUTE Co.,Ltd. Address before: 100070 Beijing West Fourth Ring Road, Fengtai District, No. 83 Co-patentee before: China Aerospace Construction Group Co.,Ltd. Patentee before: SPACEFLIGHT BUILDING DESIGN RESEARCH INSTITUTE Co.,Ltd. Co-patentee before: BEIJING AEROSPACE FOUNDATION ENGINEERING Co.,Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 |
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CF01 | Termination of patent right due to non-payment of annual fee |