CN101509353B - 活塞式多层扩孔钻头 - Google Patents
活塞式多层扩孔钻头 Download PDFInfo
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- CN101509353B CN101509353B CN2009100611432A CN200910061143A CN101509353B CN 101509353 B CN101509353 B CN 101509353B CN 2009100611432 A CN2009100611432 A CN 2009100611432A CN 200910061143 A CN200910061143 A CN 200910061143A CN 101509353 B CN101509353 B CN 101509353B
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- fan
- shaped blade
- outer tube
- hole
- piston rod
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Abstract
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Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2009100611432A CN101509353B (zh) | 2009-03-17 | 2009-03-17 | 活塞式多层扩孔钻头 |
Applications Claiming Priority (1)
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CN2009100611432A CN101509353B (zh) | 2009-03-17 | 2009-03-17 | 活塞式多层扩孔钻头 |
Publications (2)
Publication Number | Publication Date |
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CN101509353A CN101509353A (zh) | 2009-08-19 |
CN101509353B true CN101509353B (zh) | 2011-04-06 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2009100611432A Active CN101509353B (zh) | 2009-03-17 | 2009-03-17 | 活塞式多层扩孔钻头 |
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CN (1) | CN101509353B (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109667544A (zh) * | 2018-12-27 | 2019-04-23 | 中国水利水电科学研究院 | 一种岩体钻孔扩孔器及扩孔方法 |
CN109853554B (zh) * | 2019-04-10 | 2024-02-09 | 罗定市麟千五金科技有限公司 | 锚杆 |
CN111411895A (zh) * | 2020-04-08 | 2020-07-14 | 邯郸市南萁建筑工程有限公司 | 一种扩孔钻头 |
CN113530452B (zh) * | 2021-08-25 | 2023-10-27 | 广州海洋地质调查局 | 一种用于海洋钻探的可收缩式钻头及钻具设备 |
CN115419068A (zh) * | 2022-09-30 | 2022-12-02 | 水利部珠江水利委员会珠江水利综合技术中心 | 船闸混凝土修补工艺 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0771932A1 (fr) * | 1995-10-31 | 1997-05-07 | Elf Aquitaine Production | Stabilisateur réaléseur pour le forage de puits pétroliers |
US6427788B1 (en) * | 2000-09-22 | 2002-08-06 | Emerald Tools, Inc. | Underreaming rotary drill |
CN201358716Y (zh) * | 2009-03-17 | 2009-12-09 | 武汉武大巨成加固实业有限公司 | 活塞式多层扩孔钻头 |
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2009
- 2009-03-17 CN CN2009100611432A patent/CN101509353B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0771932A1 (fr) * | 1995-10-31 | 1997-05-07 | Elf Aquitaine Production | Stabilisateur réaléseur pour le forage de puits pétroliers |
US6427788B1 (en) * | 2000-09-22 | 2002-08-06 | Emerald Tools, Inc. | Underreaming rotary drill |
CN201358716Y (zh) * | 2009-03-17 | 2009-12-09 | 武汉武大巨成加固实业有限公司 | 活塞式多层扩孔钻头 |
Also Published As
Publication number | Publication date |
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CN101509353A (zh) | 2009-08-19 |
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Legal Events
Date | Code | Title | Description |
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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 | ||
C56 | Change in the name or address of the patentee |
Owner name: WUHAN WUHAN JUCHENG STRUCTURE CO., LTD. Free format text: FORMER NAME: WUDA-JUCHENG REINFORCING INDUSTRY CO LTD, WUHAN |
|
CP03 | Change of name, title or address |
Address after: 430223 Hubei city of Wuhan province East Lake Development Zone Wuhan University Science Park Road No. 4 Patentee after: WUDA JUCHENGSTRUCTURE Co.,Ltd. Address before: 430077 Hubei city of Wuhan province Wuchang District Road No. 117 block A 26 layer into the same Patentee before: Wuhan Wuda Jucheng Strengthening Industrial Co.,Ltd. |
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C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: 430223 Hubei city of Wuhan province East Lake Development Zone Wuhan University Science Park Road No. 4 Patentee after: WUDA JUCHENG STRUCTURE Co.,Ltd. Address before: 430223 Hubei city of Wuhan province East Lake Development Zone Wuhan University Science Park Road No. 4 Patentee before: WUDA JUCHENGSTRUCTURE Co.,Ltd. |
|
CP01 | Change in the name or title of a patent holder |
Address after: No. 4, Wuda Science and Technology Park Road, Donghu Development Zone, Wuhan City, Hubei Province, 430223 Patentee after: Wuhan Jucheng Structure Group Co.,Ltd. Address before: No. 4, Wuda Science and Technology Park Road, Donghu Development Zone, Wuhan City, Hubei Province, 430223 Patentee before: WUDA JUCHENG STRUCTURE Co.,Ltd. |
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CP01 | Change in the name or title of a patent holder |