CN201401520Y - 一种具有自封缓冲功能的闸板阀 - Google Patents
一种具有自封缓冲功能的闸板阀 Download PDFInfo
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- CN201401520Y CN201401520Y CN2009200689019U CN200920068901U CN201401520Y CN 201401520 Y CN201401520 Y CN 201401520Y CN 2009200689019 U CN2009200689019 U CN 2009200689019U CN 200920068901 U CN200920068901 U CN 200920068901U CN 201401520 Y CN201401520 Y CN 201401520Y
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- valve
- piston
- self
- gate valve
- gate
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2009200689019U CN201401520Y (zh) | 2009-03-16 | 2009-03-16 | 一种具有自封缓冲功能的闸板阀 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN2009200689019U CN201401520Y (zh) | 2009-03-16 | 2009-03-16 | 一种具有自封缓冲功能的闸板阀 |
Publications (1)
Publication Number | Publication Date |
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CN201401520Y true CN201401520Y (zh) | 2010-02-10 |
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CN2009200689019U Expired - Lifetime CN201401520Y (zh) | 2009-03-16 | 2009-03-16 | 一种具有自封缓冲功能的闸板阀 |
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CN (1) | CN201401520Y (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102758926A (zh) * | 2011-04-05 | 2012-10-31 | 韦特柯格雷公司 | 可更换的浮动式闸阀基座密封件 |
CN104633152A (zh) * | 2014-12-31 | 2015-05-20 | 浙江工贸职业技术学院 | 一种用于闸阀的密闭结构 |
CN111594629A (zh) * | 2020-06-23 | 2020-08-28 | 安徽铜都流体科技股份有限公司 | 用于盾构机的双刀泥浆闸阀 |
-
2009
- 2009-03-16 CN CN2009200689019U patent/CN201401520Y/zh not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102758926A (zh) * | 2011-04-05 | 2012-10-31 | 韦特柯格雷公司 | 可更换的浮动式闸阀基座密封件 |
CN104633152A (zh) * | 2014-12-31 | 2015-05-20 | 浙江工贸职业技术学院 | 一种用于闸阀的密闭结构 |
CN111594629A (zh) * | 2020-06-23 | 2020-08-28 | 安徽铜都流体科技股份有限公司 | 用于盾构机的双刀泥浆闸阀 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Meizuan Energy Technology (Shanghai) Co., Ltd. Assignor: MSP/DRILEX (Nanjing) Co., Ltd. Contract record no.: 2011310000202 Denomination of utility model: Gate valve with self-sealing and buffering functions Granted publication date: 20100210 License type: Exclusive License Record date: 20111008 |
|
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: 211500 No. 8 fragrant pond road, Liuhe District, Jiangsu, Nanjing Patentee after: Diamond drilling system (Nanjing) Co., Ltd. Address before: 211500 No. 8 fragrant pond road, Liuhe District, Jiangsu, Nanjing Patentee before: MSP/DRILEX (Nanjing) Co., Ltd. |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20100210 |