CN203114175U - 一种工程钻机用刮刀钻头 - Google Patents
一种工程钻机用刮刀钻头 Download PDFInfo
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- CN203114175U CN203114175U CN 201320069900 CN201320069900U CN203114175U CN 203114175 U CN203114175 U CN 203114175U CN 201320069900 CN201320069900 CN 201320069900 CN 201320069900 U CN201320069900 U CN 201320069900U CN 203114175 U CN203114175 U CN 203114175U
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- seamless steel
- steel pipe
- cutter
- tilt prop
- drag bit
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CN 201320069900 CN203114175U (zh) | 2013-02-06 | 2013-02-06 | 一种工程钻机用刮刀钻头 |
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CN 201320069900 CN203114175U (zh) | 2013-02-06 | 2013-02-06 | 一种工程钻机用刮刀钻头 |
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CN203114175U true CN203114175U (zh) | 2013-08-07 |
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CN 201320069900 Expired - Fee Related CN203114175U (zh) | 2013-02-06 | 2013-02-06 | 一种工程钻机用刮刀钻头 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105317381A (zh) * | 2015-11-06 | 2016-02-10 | 宁波易通建设有限公司 | 用于施工钻孔灌注桩的钻头及利用该钻头的成孔方法 |
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2013
- 2013-02-06 CN CN 201320069900 patent/CN203114175U/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105317381A (zh) * | 2015-11-06 | 2016-02-10 | 宁波易通建设有限公司 | 用于施工钻孔灌注桩的钻头及利用该钻头的成孔方法 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: 315800 Zhejiang Province, Ningbo city Beilun District Chunxiao Yang Sha Shanxi nine road No. 9 Building 1, No. 1, building 2, No. 1, building 4, No. 1 Patentee after: ZHEJIANG ZHONGRUI HEAVY INDUSTRY SCIENCE AND TECHNOLOGY CO., LTD. Address before: 315800 Zhejiang Province, Ningbo city Beilun District Chunxiao Yang Sha Shanxi nine road No. 9 Building 1, No. 1, building 2, No. 1, building 4, No. 1 Patentee before: Zhejiang Zhongrui Engineering Machinery Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20190206 |
|
CF01 | Termination of patent right due to non-payment of annual fee |