CN102162564B - 一种用于水下作业的斜口切面管孔封堵装置及方法 - Google Patents
一种用于水下作业的斜口切面管孔封堵装置及方法 Download PDFInfo
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CN2011100538580A CN102162564B (zh) | 2011-03-08 | 2011-03-08 | 一种用于水下作业的斜口切面管孔封堵装置及方法 |
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CN103511789A (zh) * | 2012-06-25 | 2014-01-15 | 曹建健 | 一种施工管线堵头 |
CN102758989A (zh) * | 2012-07-02 | 2012-10-31 | 中国石油天然气集团公司 | 复合管焊接管端封堵装置 |
CN107975650A (zh) * | 2017-11-28 | 2018-05-01 | 丹东通博电器(集团)有限公司 | 法兰孔快速封堵装置 |
CN109781397A (zh) * | 2019-02-18 | 2019-05-21 | 江苏大学 | 一种通用汽车燃油箱加油口密封装置 |
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CN202182289U (zh) * | 2011-03-08 | 2012-04-04 | 浙江图维电力科技有限公司 | 一种用于水下作业的斜口切面管孔封堵装置 |
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US1683336A (en) * | 1927-10-22 | 1928-09-04 | Cummings Thomas Patrick | Plumbing device |
JPS5495013A (en) * | 1978-01-12 | 1979-07-27 | Toshiba Corp | Foreign substance mixing preventer |
JPS54108926A (en) * | 1978-02-15 | 1979-08-27 | Hitachi Metals Ltd | Passage blocking jig |
CN2628843Y (zh) * | 2003-05-27 | 2004-07-28 | 李奎民 | 管道快速膨胀堵 |
CN201496723U (zh) * | 2009-06-12 | 2010-06-02 | 中冶天工上海十三冶建设有限公司 | 一种预埋套管堵漏装置 |
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CN202182289U (zh) * | 2011-03-08 | 2012-04-04 | 浙江图维电力科技有限公司 | 一种用于水下作业的斜口切面管孔封堵装置 |
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C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Xie Tianhong Inventor after: Gao Ming Inventor after: Zhou Rencai Inventor after: Wang Hanjie Inventor after: He Xianhua Inventor before: Xie Tianhong |
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Free format text: CORRECT: INVENTOR; FROM: XIE TIANHONG TO: XIE TIANHONG GAO MING ZHOU RENCAI WANG HANJIE HE XIANHUA |
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C14 | Grant of patent or utility model | ||
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Address after: Hangzhou City, Zhejiang province Yuhang District 311121 West 1500 Street warehouse before 1 Building No. 5 layer Patentee after: Zhejiang Tuwei Power Technology Co., Ltd. Address before: 4, Hangzhou, Zhejiang Province, Xihu District West Road, No. 310012, building 20 Patentee before: Zhejiang Tuwei Power Technology Co., Ltd. |
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C56 | Change in the name or address of the patentee | ||
CP03 | Change of name, title or address |
Address after: Hangzhou City, Zhejiang province Yuhang District 311121 West Street Wuchang No. 998 building 4 room 412 Patentee after: ZHEJIANG TUWEI ELECTRICITY TECHNOLOGY CO., LTD. Address before: Hangzhou City, Zhejiang province Yuhang District 311121 West 1500 Street warehouse before 1 Building No. 5 layer Patentee before: Zhejiang Tuwei Power Technology Co., Ltd. |