CN102032388A - 一种可带压维护的阀杆密封结构 - Google Patents
一种可带压维护的阀杆密封结构 Download PDFInfo
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- CN102032388A CN102032388A CN 200910196405 CN200910196405A CN102032388A CN 102032388 A CN102032388 A CN 102032388A CN 200910196405 CN200910196405 CN 200910196405 CN 200910196405 A CN200910196405 A CN 200910196405A CN 102032388 A CN102032388 A CN 102032388A
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CN 200910196405 CN102032388B (zh) | 2009-09-25 | 2009-09-25 | 一种可带压维护的阀杆密封结构 |
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CN 200910196405 CN102032388B (zh) | 2009-09-25 | 2009-09-25 | 一种可带压维护的阀杆密封结构 |
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CN102032388A true CN102032388A (zh) | 2011-04-27 |
CN102032388B CN102032388B (zh) | 2012-07-25 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111535264A (zh) * | 2020-04-29 | 2020-08-14 | 中建环能科技股份有限公司 | 一种升降式堰门系统及构建升降式堰门系统的方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
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DE4127300A1 (de) * | 1991-06-15 | 1993-02-25 | Albrecht Dipl Ing Kayser | Kombinierter-gleit-und spiralnuten-axial-wellendichtring |
CN2419439Y (zh) * | 1999-12-22 | 2001-02-14 | 石油大学(华东) | 带压更换密封圈装置 |
CN101451626A (zh) * | 2008-12-30 | 2009-06-10 | 广东联塑市政工程管道有限公司 | 一种更换阀门密封填料的方法 |
CN201507716U (zh) * | 2009-09-25 | 2010-06-16 | 上海骐荣机械自控有限公司 | 一种可带压维护的阀杆密封结构 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111535264A (zh) * | 2020-04-29 | 2020-08-14 | 中建环能科技股份有限公司 | 一种升降式堰门系统及构建升降式堰门系统的方法 |
CN111535264B (zh) * | 2020-04-29 | 2022-05-03 | 中建环能科技股份有限公司 | 一种升降式堰门系统及构建升降式堰门系统的方法 |
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CN102032388B (zh) | 2012-07-25 |
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Legal Events
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
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: No. 815, de Garden Road, Nanxiang Town, Jiading District, Shanghai Co-patentee after: Shanghai Guanlong Valve Automation Co. Ltd. Patentee after: Guanlong Valve Machinery Co., Ltd., Shanghai Address before: No. 815, de Garden Road, Nanxiang Town, Jiading District, Shanghai Co-patentee before: Shanghai Qirong Machinery Automatic Control Co.,Ltd. Patentee before: Guanlong Valve Machinery Co., Ltd., Shanghai |
|
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: Tak Road 201802 Shanghai city Jiading District Nanxiang Town, No. 815 Co-patentee after: SHANGHAI GUANLONG VALVE AUTOMATION Co.,Ltd. Patentee after: Shanghai Guanlong Valve Machinery Co., Ltd Address before: Tak Road 201802 Shanghai city Jiading District Nanxiang Town, No. 815 Co-patentee before: SHANGHAI GUANLONG VALVE AUTOMATION Co.,Ltd. Patentee before: Shanghai Guanlong Valve Machinery Co.,Ltd. |
|
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: Tak Road 201802 Shanghai city Jiading District Nanxiang Town, No. 815 Patentee after: Shanghai Guanlong valve energy saving equipment Co., Ltd Patentee after: SHANGHAI GUANLONG VALVE AUTOMATION Co.,Ltd. Address before: Tak Road 201802 Shanghai city Jiading District Nanxiang Town, No. 815 Patentee before: Shanghai Guanlong Valve Machinery Co., Ltd Patentee before: SHANGHAI GUANLONG VALVE AUTOMATION Co.,Ltd. |