CN208473710U - 伸缩式钻头 - Google Patents
伸缩式钻头 Download PDFInfo
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- CN208473710U CN208473710U CN201821035594.XU CN201821035594U CN208473710U CN 208473710 U CN208473710 U CN 208473710U CN 201821035594 U CN201821035594 U CN 201821035594U CN 208473710 U CN208473710 U CN 208473710U
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- mandrel
- broach shell
- cylindrical hole
- bit
- reaming
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CN201821035594.XU CN208473710U (zh) | 2018-07-02 | 2018-07-02 | 伸缩式钻头 |
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CN201821035594.XU CN208473710U (zh) | 2018-07-02 | 2018-07-02 | 伸缩式钻头 |
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CN208473710U true CN208473710U (zh) | 2019-02-05 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116537705A (zh) * | 2023-07-05 | 2023-08-04 | 中国华西工程设计建设有限公司 | 一种用于桥梁水下桩基施工的钻孔装置 |
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2018
- 2018-07-02 CN CN201821035594.XU patent/CN208473710U/zh active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116537705A (zh) * | 2023-07-05 | 2023-08-04 | 中国华西工程设计建设有限公司 | 一种用于桥梁水下桩基施工的钻孔装置 |
CN116537705B (zh) * | 2023-07-05 | 2023-09-05 | 中国华西工程设计建设有限公司 | 一种用于桥梁水下桩基施工的钻孔装置 |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 401445 Datong Town, Qijiang District, Chongqing Patentee after: Chongqing Songzao Coal Power Co.,Ltd. equipment manufacturing branch Address before: 401445 Datong Town, Qijiang District, Chongqing Patentee before: CHONGQING SONGZAO MINING MACHINERY FACTORY |
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CP01 | Change in the name or title of a patent holder | ||
TR01 | Transfer of patent right |
Effective date of registration: 20211125 Address after: 401445 Datong Town, Qijiang District, Chongqing Patentee after: Chongqing Songzao Coal Power Co.,Ltd. equipment manufacturing branch Patentee after: Chongqing Songzao Coal & Electric Co.,Ltd. Address before: 401445 Datong Town, Qijiang District, Chongqing Patentee before: Chongqing Songzao Coal Power Co.,Ltd. equipment manufacturing branch |
|
TR01 | Transfer of patent right |