CN105485391A - Pressure reducer - Google Patents
Pressure reducer Download PDFInfo
- Publication number
- CN105485391A CN105485391A CN201511029396.3A CN201511029396A CN105485391A CN 105485391 A CN105485391 A CN 105485391A CN 201511029396 A CN201511029396 A CN 201511029396A CN 105485391 A CN105485391 A CN 105485391A
- Authority
- CN
- China
- Prior art keywords
- pressure
- diaphragm
- block
- column
- adjusting handle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000003638 chemical reducing agent Substances 0.000 title abstract 5
- 238000001914 filtration Methods 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 9
- 230000001276 controlling effect Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000009467 reduction Effects 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 10
- 239000012535 impurity Substances 0.000 abstract description 8
- 230000000903 blocking effect Effects 0.000 abstract description 6
- 238000002955 isolation Methods 0.000 abstract description 2
- 239000012528 membrane Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
- F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
- F16K17/24—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member
- F16K17/28—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only
- F16K17/30—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only spring-loaded
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
- B01D35/04—Plug, tap, or cock filters filtering elements mounted in or on a faucet
- B01D35/046—Plug, tap, or cock filters filtering elements mounted in or on a faucet the filtering element being mounted in the faucet plug
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The invention relates to a pressure reducer. The pressure reducer overcomes the shortcomings that pressure reducers in the prior art are simple in structure and the pressure of output gas is large in fluctuation. According to the pressure reducer, a gas inlet filter net is arranged in a gas inlet, a gas outlet filter net is arranged in a gas outlet, the gas inlet filter net and the gas outlet filter net filter gas flow and prevent impurities in the gas flow from blocking a pressure reduction valve or blocking a pipeline, and the performance of the pressure reduction valve is optimized; a compensation block capable of sliding is arranged in an isolation block and can compensate for the fluctuation of gas pressure in a high pressure cavity, the volume of the high pressure cavity can be changed through the movement of the compensation block because the compensation block can slide in a containing hole, and therefore the effect of compensating for the pressure of gas flow in the high pressure cavity can be realized; in addition, springs and a membrane are matched so that the pressure of gas flow in a low pressure cavity can be stabilized, the pressure of gas flow at a gas outlet is constant, and the performance of the pressure reduction valve is optimized.
Description
Technical field
The present invention relates to valve field, particularly relate to a kind of decompressor.
Background technique
In prior art, because gas cylinder internal pressure is higher, and gas pressure required for gas application scene is lower, needs to use after the gas step-down being stored in elevated pressures in gas cylinder with decompressor, and should ensure that the working pressure of desired gas keeps steady state from start to finish.
Along with the develop rapidly of the industries such as China's medical treatment, space flight, laboratory, more and more higher in the stability requirement of gas conveying occasion to gas pressure; And simple for the decompressor structure of gas delivery art in prior art, when gas exports, pressure surge is larger; In addition, decompressor of the prior art does not have filtering function, and the impurity be mixed in gas is easy to cause line clogging, uses very inconvenient.
Summary of the invention
A kind of decompressor provided by the invention, it is simple to be intended to overcome decompressor structure of the prior art, the deficiency that the gas pressure fluctuation of output is larger.
In order to solve the problems of the technologies described above, the present invention adopts following technological scheme: a kind of decompressor, comprise the housing with inner chamber, spacing block inner chamber being divided into hyperbaric chamber and low-pressure cavity is provided with in described housing, the cross sectional area of described low-pressure cavity is greater than the cross sectional area of hyperbaric chamber, described housing is also provided with suction port and air outlet, described suction port communicates with hyperbaric chamber, described air outlet communicates with low-pressure cavity, inlet air filtration net is provided with in described suction port, be provided with filter screen of giving vent to anger in described air outlet, described air outlet is also connected with pipe cleaning valve, described housing is provided with the adjusting handle regulating gas pressure in low-pressure cavity, described adjusting handle is provided with the receiving cavity of housing case, the sidewall of described receiving cavity offers internal thread, described housing offers the outside thread with screw-internal thread fit on receiving cavity sidewall, described adjusting handle is provided with column, the diaphragm controlling spacing block is provided with in described housing, described column is between adjusting handle and diaphragm, spring is provided with between described column and diaphragm, described column lower end is fixed with the fixed base of fixing spring, described fixed base is provided with the directional post that spring is led, described spring housing is located on directional post, described diaphragm is between spring and spacing block, described spacing block is fixedly connected with by connecting body with diaphragm, described spacing block is provided with the compensation block compensating the fluctuation of hyperbaric chamber internal pressure, described spacing block offers and holds compensation block and make the receiving bore that compensation block can slide, described receiving bore communicates with hyperbaric chamber, described spacing block is also provided with attachment post, described attachment post is positioned at receiving bore, and described attachment post is coaxial with receiving bore, described compensation block is slidably connected on attachment post, described attachment post lower end is threaded connection the limiting stopper avoiding compensation block to skid off attachment post.
In above-mentioned formation, arrange in inlet air filtration net, air outlet and arrange filter screen of giving vent to anger in suction port, inlet air filtration net and filter screen of giving vent to anger can filter gas, avoid the impurity blocking pipe in gas; In addition, in spacing block, compensation block is set, when there is larger fluctuation in the air-flow in hyperbaric chamber, because compensation block can play certain compensating action, greatly optimize the stability of air outlet stream pressure, and the setting of spring also can compensate the fluctuation of stream pressure in hyperbaric chamber, greatly optimize the stability of air outlet stream pressure; And air outlet is connected with pipe cleaning valve, pipe cleaning valve plays the effect of cleaning pipeline, avoids the impurity blocking pipe in air-flow.
A kind of optional scheme, described adjusting handle and column are connected together, and it is circular fixture block that described adjusting handle is provided with shape of cross section, and described column offers the draw-in groove coordinated with fixture block, described fixture block and adjusting handle are integral type structure.Adjusting handle and column are connected together, and column utilizes spring to position, and simplify the manufacturing process of adjusting handle, reduce the manufacture cost of reduction valve; Adjusting handle arranges fixture block, and draw-in groove is set on column, improve the efficiency of assembling of adjusting handle and column.
A kind of optional scheme, described diaphragm is fixed with the projection of fixing spring, described spring housing is located on projection, and described projection and diaphragm are integral type structure.Diaphragm arranges projection, and projection also plays the effect of leading to spring while fixing spring, extends the working life of spring.
A kind of optional scheme, described spacing block is provided with convex shoulder, and the inwall of described housing is provided with the breach holding convex shoulder.Convex shoulder coordinates with breach, optimizes the usability of reduction valve.
A kind of optional scheme, described fixed base and column are together by a threaded connection.Be convenient to the assembling of reduction valve, improve the manufacturing efficiency of reduction valve.
Compared with prior art, a kind of decompressor provided by the invention, tool has the following advantages: in suction port, be provided with inlet air filtration net, in air outlet, be provided with filter screen of giving vent to anger, inlet air filtration net, filter screen of giving vent to anger play the effect of filtering air-flow, the impurity blocking pipe in air-flow can also be avoided while avoiding the impurity in air-flow to block reduction valve, optimize the performance of reduction valve; The compensation block that can slide is provided with in spacing block, compensation block can compensate the air pressure fluctuation in hyperbaric chamber, because compensation block can slide in receiving bore, the movement of compensation block changes the size of hyperbaric chamber volume, thus play the effect compensating stream pressure in hyperbaric chamber, in addition, spring matching film plate also can play the effect of stream pressure in stabilizing low voltage chamber, ensure that air outlet stream pressure is constant, optimize the performance of reduction valve; The pipe cleaning valve be connected on air outlet plays the effect of cleaning impurity, optimizes the performance of reduction valve further, avoids the impurity blocking pipe in air-flow.
Accompanying drawing explanation
Accompanying drawing 1 is the plan view of a kind of decompressor of the present invention.
Embodiment
Below in conjunction with accompanying drawing, a kind of decompressor of the present invention is described further.As shown in Figure 1, a kind of decompressor, comprise the housing 1 with inner chamber, for the ease of assembling, described housing 1 can by some sections of assembling shapes, pipe thread can be adopted between each section to connect, to improve the sealability of housing 1, be provided with the spacing block 2 inner chamber being divided into hyperbaric chamber 4 and low-pressure cavity 3 in described housing 1, the cross sectional area of described low-pressure cavity 3 is greater than the cross sectional area of hyperbaric chamber 4, that is, the inwall of housing 1 has step;
See Fig. 1, described spacing block 2 is provided with convex shoulder 25, and the inwall of described housing 1 is provided with the breach holding convex shoulder 25, to improve the isolation performance of spacing block 2;
See Fig. 1, described housing 1 is also provided with suction port 5 and air outlet 6, described suction port 5 communicates with hyperbaric chamber 4, described air outlet 6 communicates with low-pressure cavity 3, be provided with inlet air filtration net 7 in described suction port 5, be provided with filter screen 8 of giving vent to anger in described air outlet 6, inlet air filtration net 7 and filter screen 8 of giving vent to anger are filter screen of the prior art, described air outlet 6 is also connected with pipe cleaning valve 9, and pipe cleaning valve 9 is also for clearing up the valve of pipeline in prior art;
See Fig. 1, described housing 1 is provided with the adjusting handle 10 regulating gas pressure in low-pressure cavity 3, adjusting handle 10 should be the tubular structure of upper end closed, described adjusting handle 10 is provided with the receiving cavity 11 of housing case 1, the sidewall of described receiving cavity 11 offers internal thread, described housing 1 offers the outside thread with screw-internal thread fit on receiving cavity 11 sidewall, described adjusting handle 10 is provided with column 12, outside thread on internal thread on adjusting handle 10 and housing 1 should have certain height, column 12 can be promoted to make adjusting handle 10 and move a segment distance, realize the object by column 12 Regulation spring 14 pressure, described adjusting handle 10 is connected together with column 12, it is circular fixture block 22 that described adjusting handle 10 is provided with shape of cross section, described column 12 offers the draw-in groove 23 coordinated with fixture block 22, described fixture block 22 is integral type structure with adjusting handle 10,
See Fig. 1, the diaphragm 13 controlling spacing block 2 is provided with in housing 1, described column 12 is between adjusting handle 10 and diaphragm 13, spring 14 is provided with between described column 12 and diaphragm 13, described diaphragm 13 is fixed with the projection 24 of fixing spring 14, described spring 14 is set on projection 24, described projection 24 is integral type structure with diaphragm 13, described column 12 lower end is fixed with the fixed base 15 of fixing spring 14, described fixed base 15 is together by a threaded connection with column 12, described fixed base 15 is provided with the directional post 16 that spring 14 is led, directional post 16 and fixed base 15 are integral type structure, described spring 14 is set on directional post 16, promoted by adjusting handle 10 when column 12 moves down, the thrust of spring 14 is relied on to move up when column 12 moves up, therefore, spring 14 lower end can be fixedly connected with diaphragm 13, the lower end of spring 14 also can not be fixedly connected with diaphragm 13, only need to contact with diaphragm 13,
See Fig. 1, described diaphragm 13 is between spring 14 and spacing block 2, described spacing block 2 is fixedly connected with by connecting body 17 with diaphragm 13, connecting body 17 can be fixed between diaphragm 13 and spacing block 2 by bonding way, described spacing block 2 is provided with the compensation block 18 compensating the fluctuation of hyperbaric chamber 4 internal pressure, described spacing block 2 offers and holds compensation block 18 and the receiving bore 19 that compensation block 18 can be slided, described receiving bore 19 communicates with hyperbaric chamber 4, described spacing block 2 is also provided with attachment post 20, described attachment post 20 is positioned at receiving bore 19, attachment post 20 and spacing block 2 are integral type structure, and described attachment post 20 is coaxial with receiving bore 19, described compensation block 18 is slidably connected on attachment post 20, described attachment post 20 lower end is threaded connection the limiting stopper 21 avoiding compensation block 18 to skid off attachment post 20.
During concrete enforcement, because compensation block 18 can slide in receiving bore 19, the movement of compensation block 18 changes the size of hyperbaric chamber 4 volume, thus play the effect compensating stream pressure in hyperbaric chamber 4, and then ensure that the stream pressure at air outlet 6 place is constant, in addition, spring 14 matching film plate 13 also can play the effect of stream pressure in stabilizing low voltage chamber 3, optimizes the performance of reduction valve.
These are only the preferred embodiment of the present invention, being intended to embody outstanding technique effect of the present invention and advantage, is not the restriction to technological scheme of the present invention.Those skilled in the art will appreciate that all amendments made based on the technology of the present invention content, change or substitute technology feature, all should be covered by the technology category of claims of the present invention opinion.
Claims (5)
1. a decompressor, comprise the housing (1) with inner chamber, it is characterized in that: in described housing (1), be provided with the spacing block (2) inner chamber being divided into hyperbaric chamber (4) and low-pressure cavity (3), the cross sectional area of described low-pressure cavity (3) is greater than the cross sectional area of hyperbaric chamber (4), described housing (1) is also provided with suction port (5) and air outlet (6), described suction port (5) communicates with hyperbaric chamber (4), described air outlet (6) communicates with low-pressure cavity (3), inlet air filtration net (7) is provided with in described suction port (5), filter screen of giving vent to anger (8) is provided with in described air outlet (6), described air outlet (6) is also connected with pipe cleaning valve (9), described housing (1) is provided with the adjusting handle (10) regulating low-pressure cavity (3) interior gas pressure, described adjusting handle (10) is provided with the receiving cavity (11) of housing case (1), the sidewall of described receiving cavity (11) offers internal thread, described housing (1) offers the outside thread with screw-internal thread fit on receiving cavity (11) sidewall, described adjusting handle (10) is provided with column (12), the diaphragm (13) controlling spacing block (2) is provided with in described housing (1), described column (12) is positioned between adjusting handle (10) and diaphragm (13), spring (14) is provided with between described column (12) and diaphragm (13), described column (12) lower end is fixed with the fixed base (15) of fixing spring (14), described fixed base (15) is provided with the directional post (16) that spring (14) is led, described spring (14) is set on directional post (16), described diaphragm (13) is positioned between spring (14) and spacing block (2), described spacing block (2) is fixedly connected with by connecting body (17) with diaphragm (13), described spacing block (2) is provided with the compensation block (18) compensating the fluctuation of hyperbaric chamber (4) internal pressure, described spacing block (2) offers and holds compensation block (18) and the receiving bore (19) that compensation block (18) can be slided, described receiving bore (19) communicates with hyperbaric chamber (4), described spacing block (2) is also provided with attachment post (20), described attachment post (20) is positioned at receiving bore (19), and described attachment post (20) is coaxial with receiving bore (19), described compensation block (18) is slidably connected on attachment post (20), described attachment post (20) lower end is threaded connection the limiting stopper (21) avoiding compensation block (18) to skid off attachment post (20).
2. a kind of decompressor according to claim 1, it is characterized in that: described adjusting handle (10) and column (12) are connected together, it is circular fixture block (22) that described adjusting handle (10) is provided with shape of cross section, described column (12) offers the draw-in groove (23) coordinated with fixture block (22), described fixture block (22) and adjusting handle (10) are integral type structure.
3. a kind of decompressor according to claim 1, it is characterized in that: the projection (24) described diaphragm (13) being fixed with fixing spring (14), described spring (14) is set on projection (24), and described projection (24) and diaphragm (13) are integral type structure.
4. a kind of decompressor according to claim 1, is characterized in that: described spacing block (2) is provided with convex shoulder (25), and the inwall of described housing (1) is provided with the breach holding convex shoulder (25).
5. a kind of decompressor according to Claims 1-4 any one, is characterized in that: described fixed base (15) and column (12) are together by a threaded connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511029396.3A CN105485391B (en) | 2015-12-31 | 2015-12-31 | A kind of pressure reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511029396.3A CN105485391B (en) | 2015-12-31 | 2015-12-31 | A kind of pressure reducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105485391A true CN105485391A (en) | 2016-04-13 |
| CN105485391B CN105485391B (en) | 2017-11-24 |
Family
ID=55672566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511029396.3A Active CN105485391B (en) | 2015-12-31 | 2015-12-31 | A kind of pressure reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105485391B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107339100A (en) * | 2017-08-23 | 2017-11-10 | 陈彬 | The pipe joint and its method of work of sampling are easy in a kind of oil exploitation |
| CN109268550A (en) * | 2018-09-14 | 2019-01-25 | 宁波铭匠扎啤设备有限公司 | A kind of adjustable compression release valve for beer on draft preservation drum |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2404225A1 (en) * | 1973-02-05 | 1974-08-08 | Martonair Ltd | PRESSURE REDUCING VALVE |
| US4417689A (en) * | 1981-08-31 | 1983-11-29 | Akira Sasaki | Pressure regulator with temperature compensation device |
| CN2382919Y (en) * | 1999-07-30 | 2000-06-14 | 北京天箭星机电技术有限公司 | Constant flow regulating valve |
| CN202074090U (en) * | 2011-06-10 | 2011-12-14 | 大连派思燃气系统股份有限公司 | Pressure regulator |
| CN202327282U (en) * | 2011-12-06 | 2012-07-11 | 成都安美科机电有限公司 | Large-flow and high-pressure air pressure reducer |
| CN104565390A (en) * | 2014-12-30 | 2015-04-29 | 平湖市瑞阳精密机械有限公司 | Special gas pressure reducer |
| CN205244526U (en) * | 2015-12-31 | 2016-05-18 | 平湖市瑞阳精密机械有限公司 | Pressure reducer |
-
2015
- 2015-12-31 CN CN201511029396.3A patent/CN105485391B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2404225A1 (en) * | 1973-02-05 | 1974-08-08 | Martonair Ltd | PRESSURE REDUCING VALVE |
| US4417689A (en) * | 1981-08-31 | 1983-11-29 | Akira Sasaki | Pressure regulator with temperature compensation device |
| CN2382919Y (en) * | 1999-07-30 | 2000-06-14 | 北京天箭星机电技术有限公司 | Constant flow regulating valve |
| CN202074090U (en) * | 2011-06-10 | 2011-12-14 | 大连派思燃气系统股份有限公司 | Pressure regulator |
| CN202327282U (en) * | 2011-12-06 | 2012-07-11 | 成都安美科机电有限公司 | Large-flow and high-pressure air pressure reducer |
| CN104565390A (en) * | 2014-12-30 | 2015-04-29 | 平湖市瑞阳精密机械有限公司 | Special gas pressure reducer |
| CN205244526U (en) * | 2015-12-31 | 2016-05-18 | 平湖市瑞阳精密机械有限公司 | Pressure reducer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107339100A (en) * | 2017-08-23 | 2017-11-10 | 陈彬 | The pipe joint and its method of work of sampling are easy in a kind of oil exploitation |
| CN109268550A (en) * | 2018-09-14 | 2019-01-25 | 宁波铭匠扎啤设备有限公司 | A kind of adjustable compression release valve for beer on draft preservation drum |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105485391B (en) | 2017-11-24 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Ultra-low temperature measurement system and method for deflation testes of decompressor Effective date of registration: 20180803 Granted publication date: 20171124 Pledgee: Zhejiang Pinghu Rural Commercial Bank Co.,Ltd. Xindai sub branch Pledgor: PINGHU RUIYANG PRECISION MACHINERY Co.,Ltd. Registration number: 2018990000644 |
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Date of cancellation: 20190719 Granted publication date: 20171124 Pledgee: Zhejiang Pinghu Rural Commercial Bank Co.,Ltd. Xindai sub branch Pledgor: PINGHU RUIYANG PRECISION MACHINERY Co.,Ltd. Registration number: 2018990000644 |
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Denomination of invention: Ultra-low temperature measurement system and method for deflation testes of decompressor Effective date of registration: 20190722 Granted publication date: 20171124 Pledgee: Zhejiang Pinghu Rural Commercial Bank Co.,Ltd. Xindai sub branch Pledgor: PINGHU RUIYANG PRECISION MACHINERY Co.,Ltd. Registration number: 2019330000201 |
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Date of cancellation: 20201109 Granted publication date: 20171124 Pledgee: Zhejiang Pinghu Rural Commercial Bank Co.,Ltd. Xindai sub branch Pledgor: PINGHU RUIYANG PRECISION MACHINERY Co.,Ltd. Registration number: 2019330000201 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Pressure reducer Effective date of registration: 20210916 Granted publication date: 20171124 Pledgee: Zhejiang Pinghu Rural Commercial Bank Co.,Ltd. Xindai sub branch Pledgor: PINGHU RUIYANG PRECISION MACHINERY Co.,Ltd. Registration number: Y2021330001648 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230328 Granted publication date: 20171124 Pledgee: Zhejiang Pinghu Rural Commercial Bank Co.,Ltd. Xindai sub branch Pledgor: PINGHU RUIYANG PRECISION MACHINERY Co.,Ltd. Registration number: Y2021330001648 |