CN101575853B - 一种双向水泥土搅拌桩钻杆 - Google Patents
一种双向水泥土搅拌桩钻杆 Download PDFInfo
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- CN101575853B CN101575853B CN2009100691704A CN200910069170A CN101575853B CN 101575853 B CN101575853 B CN 101575853B CN 2009100691704 A CN2009100691704 A CN 2009100691704A CN 200910069170 A CN200910069170 A CN 200910069170A CN 101575853 B CN101575853 B CN 101575853B
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- drill bit
- drilling rod
- bevel gear
- central axis
- casing
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Application Number | Priority Date | Filing Date | Title |
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CN2009100691704A CN101575853B (zh) | 2009-06-08 | 2009-06-08 | 一种双向水泥土搅拌桩钻杆 |
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CN2009100691704A CN101575853B (zh) | 2009-06-08 | 2009-06-08 | 一种双向水泥土搅拌桩钻杆 |
Publications (2)
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CN101575853A CN101575853A (zh) | 2009-11-11 |
CN101575853B true CN101575853B (zh) | 2010-12-08 |
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CN2009100691704A Expired - Fee Related CN101575853B (zh) | 2009-06-08 | 2009-06-08 | 一种双向水泥土搅拌桩钻杆 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102808408B (zh) * | 2012-06-11 | 2014-12-24 | 彭文 | 一种双向变径搅拌桩机及其成桩施工方法 |
CN110397028A (zh) * | 2019-07-08 | 2019-11-01 | 罗红云 | 反向搅拌传动机构及装置、双向搅拌钻头、搅拌桩机及其使用方法 |
CN112112023B (zh) * | 2020-09-29 | 2021-08-13 | 孙太祥 | 一种稳固路基搅拌桩机同轴双向钻头 |
CN114607282B (zh) * | 2022-03-30 | 2023-12-01 | 山东高速建设管理集团有限公司 | 一种可施工多形态水泥土搅拌桩的施工钻头及方法 |
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CN101575853A (zh) | 2009-11-11 |
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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 | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20091111 Assignee: No.1 Rock-soil Engineering Co., Ltd., China Chemical Engineering Corp. Assignor: Hebei University of Technology Contract record no.: 2013130000051 Denomination of invention: Two-way drill rod of cement mixing pile Granted publication date: 20101208 License type: Exclusive License Record date: 20130711 |
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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: 20101208 Termination date: 20150608 |
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EXPY | Termination of patent right or utility model |