CN2727378Y - 螺纹桩成桩钻头 - Google Patents
螺纹桩成桩钻头 Download PDFInfo
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- CN2727378Y CN2727378Y CN 200420076550 CN200420076550U CN2727378Y CN 2727378 Y CN2727378 Y CN 2727378Y CN 200420076550 CN200420076550 CN 200420076550 CN 200420076550 U CN200420076550 U CN 200420076550U CN 2727378 Y CN2727378 Y CN 2727378Y
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 200420076550 CN2727378Y (zh) | 2004-09-10 | 2004-09-10 | 螺纹桩成桩钻头 |
Applications Claiming Priority (1)
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CN 200420076550 CN2727378Y (zh) | 2004-09-10 | 2004-09-10 | 螺纹桩成桩钻头 |
Publications (1)
Publication Number | Publication Date |
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CN2727378Y true CN2727378Y (zh) | 2005-09-21 |
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CN 200420076550 Expired - Fee Related CN2727378Y (zh) | 2004-09-10 | 2004-09-10 | 螺纹桩成桩钻头 |
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CN (1) | CN2727378Y (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102434104A (zh) * | 2011-09-30 | 2012-05-02 | 中铁科工集团有限公司 | 一种用于螺纹灌注桩施工的新型钻头及其成桩方法 |
CN105927158A (zh) * | 2016-04-26 | 2016-09-07 | 郭玉 | 螺旋钻的轻便式钻头 |
-
2004
- 2004-09-10 CN CN 200420076550 patent/CN2727378Y/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102434104A (zh) * | 2011-09-30 | 2012-05-02 | 中铁科工集团有限公司 | 一种用于螺纹灌注桩施工的新型钻头及其成桩方法 |
CN105927158A (zh) * | 2016-04-26 | 2016-09-07 | 郭玉 | 螺旋钻的轻便式钻头 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: ZHONGTIE ENGINEERING MACHINERY RESEARCH AND DESIGN Free format text: FORMER NAME OR ADDRESS: ZHONGTIE RESEARCH AND DESIGN INST. OF ENGINEERING MACHINERY |
|
CP03 | Change of name, title or address |
Address after: 430062 No. 45 East Main Street, Wuhan, Hubei, Wuchang Patentee after: China's Railroad Engineering Machine Research Design Institute Co., Ltd. Address before: 430062 No. 45 East Main Street, Wuhan, Hubei, Wuchang Patentee before: China Railway Engineering Machinery Research & Design Institute |
|
ASS | Succession or assignment of patent right |
Owner name: CHINA RAILWAY SCIENCE AND INDUSTRY GROUP CO. Free format text: FORMER OWNER: ZHONGTIE ENGINEERING MACHINERY RESEARCH AND DESIGN INST., LTD. Effective date: 20080919 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20080919 Address after: No. 45 East Main Street, Wuchang District, Hubei, Wuhan: 430066 Patentee after: China Railway Science & Industry Group Co., Ltd. Address before: 45, Dong Xu street, Wuhan, Hubei, Wuchang: 430062 Patentee before: China's Railroad Engineering Machine Research Design Institute Co., Ltd. |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050921 Termination date: 20130910 |