CN207453879U - 长螺旋双合力引孔钻头 - Google Patents
长螺旋双合力引孔钻头 Download PDFInfo
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- CN207453879U CN207453879U CN201720445865.8U CN201720445865U CN207453879U CN 207453879 U CN207453879 U CN 207453879U CN 201720445865 U CN201720445865 U CN 201720445865U CN 207453879 U CN207453879 U CN 207453879U
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720445865.8U CN207453879U (zh) | 2017-04-25 | 2017-04-25 | 长螺旋双合力引孔钻头 |
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| CN201720445865.8U CN207453879U (zh) | 2017-04-25 | 2017-04-25 | 长螺旋双合力引孔钻头 |
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| CN207453879U true CN207453879U (zh) | 2018-06-05 |
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| CN201720445865.8U Expired - Fee Related CN207453879U (zh) | 2017-04-25 | 2017-04-25 | 长螺旋双合力引孔钻头 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113802536A (zh) * | 2021-07-15 | 2021-12-17 | 广东省交通规划设计研究院集团股份有限公司 | 一种大深度标准贯入试验装置及试验方法 |
| CN119491484A (zh) * | 2025-01-06 | 2025-02-21 | 杭州江润科技有限公司 | 富含大块径松散砂卵石地层旋挖成孔灌注桩及施工方法 |
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- 2017-04-25 CN CN201720445865.8U patent/CN207453879U/zh not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113802536A (zh) * | 2021-07-15 | 2021-12-17 | 广东省交通规划设计研究院集团股份有限公司 | 一种大深度标准贯入试验装置及试验方法 |
| CN113802536B (zh) * | 2021-07-15 | 2025-04-29 | 广东省交通规划设计研究院集团股份有限公司 | 一种大深度标准贯入试验装置及试验方法 |
| CN119491484A (zh) * | 2025-01-06 | 2025-02-21 | 杭州江润科技有限公司 | 富含大块径松散砂卵石地层旋挖成孔灌注桩及施工方法 |
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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 | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 210046 No. 5 Yaoxin Avenue, Qixia District, Nanjing City, Jiangsu Province Patentee after: JIANGSU CHANGJIANG MECHANIZATION FOUNDATION ENGINEERING CO.,LTD. Address before: 210046 No. 5 Yaoxin Avenue, Qixia District, Nanjing City, Jiangsu Province Patentee before: JIANGSU CHANGJIANG MACHINERY FOUNDATION LTD. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 210046 Nanjing Province, Qixia District, the new road, No., No. 5 Patentee after: China Coal Yangtze River infrastructure Co.,Ltd. Address before: 210046 Nanjing Province, Qixia District, the new road, No., No. 5 Patentee before: JIANGSU CHANGJIANG MECHANIZATION FOUNDATION ENGINEERING Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180605 |