CN201997749U - 一种聚乙烯燃气管道带压开孔装置 - Google Patents
一种聚乙烯燃气管道带压开孔装置 Download PDFInfo
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102218752A (zh) * | 2011-04-08 | 2011-10-19 | 王兵 | 聚乙烯燃气管道带压开孔装置及方法 |
CN102833902A (zh) * | 2011-06-14 | 2012-12-19 | 海洋王照明科技股份有限公司 | 升压型led恒流驱动电路 |
CN105546257A (zh) * | 2015-12-30 | 2016-05-04 | 聚光科技(杭州)股份有限公司 | 不停气在线开孔装置及方法 |
CN105818202A (zh) * | 2015-01-08 | 2016-08-03 | 中国石油天然气股份有限公司 | 用于玻璃纤维管的开孔辅助装置 |
CN113597526A (zh) * | 2019-03-07 | 2021-11-02 | Tdw特拉华有限公司 | 聚乙烯管道服务系统,包括用于聚乙烯管道开孔、堵塞和完井操作的快速连接装置 |
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2011
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102218752A (zh) * | 2011-04-08 | 2011-10-19 | 王兵 | 聚乙烯燃气管道带压开孔装置及方法 |
CN102833902A (zh) * | 2011-06-14 | 2012-12-19 | 海洋王照明科技股份有限公司 | 升压型led恒流驱动电路 |
CN102833902B (zh) * | 2011-06-14 | 2015-09-23 | 海洋王照明科技股份有限公司 | 升压型led恒流驱动电路 |
CN105818202A (zh) * | 2015-01-08 | 2016-08-03 | 中国石油天然气股份有限公司 | 用于玻璃纤维管的开孔辅助装置 |
CN105546257A (zh) * | 2015-12-30 | 2016-05-04 | 聚光科技(杭州)股份有限公司 | 不停气在线开孔装置及方法 |
CN113597526A (zh) * | 2019-03-07 | 2021-11-02 | Tdw特拉华有限公司 | 聚乙烯管道服务系统,包括用于聚乙烯管道开孔、堵塞和完井操作的快速连接装置 |
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CB03 | Change of inventor or designer information |
Inventor after: Zhang Lina Inventor after: Wang Jun Inventor after: Wang Bing Inventor after: Wang Min Inventor after: Hao Hongling Inventor after: Yang Wei Inventor after: Liu Yanlei Inventor after: Xu Yanting Inventor after: Wang Xiaowei Inventor after: Wang Yadong Inventor before: Zhang Lina Inventor before: Wang Bing Inventor before: Wang Min Inventor before: Hao Hongling Inventor before: Yang Wei Inventor before: Liu Yanlei Inventor before: Xu Yanting |
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Free format text: CORRECT: INVENTOR; FROM: ZHANG LINUO WANG BING WANG MIN HAO HONGLING YANG WEI LIU YANLEI XU YANTINGTO: ZHANG LINUO WANG BING WANG MIN HAO HONGLING YANG WEI LIU YANLEI XU YANTING WANG XIAOWEI WANG YADONG WANG JUN |
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Granted publication date: 20111005 Termination date: 20140408 |