CN205173569U - Carry hand -operated direction valve for casting resin - Google Patents
Carry hand -operated direction valve for casting resin Download PDFInfo
- Publication number
- CN205173569U CN205173569U CN201521033268.1U CN201521033268U CN205173569U CN 205173569 U CN205173569 U CN 205173569U CN 201521033268 U CN201521033268 U CN 201521033268U CN 205173569 U CN205173569 U CN 205173569U
- Authority
- CN
- China
- Prior art keywords
- conveying
- casting resin
- spool
- conveying mouth
- operated direction
- 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.)
- Active
Links
- 238000005266 casting Methods 0.000 title claims abstract description 55
- 239000011347 resin Substances 0.000 title claims abstract description 55
- 229920005989 resin Polymers 0.000 title claims abstract description 55
- 230000007704 transition Effects 0.000 claims description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 239000000463 material Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000002002 slurry Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
Landscapes
- Multiple-Way Valves (AREA)
Abstract
The utility model discloses a carry hand -operated direction valve for casting resin, including tap wrench, still including valve body and case, being provided with a conveying mouth, the 2nd conveying mouth and the 3rd conveying mouth on the valve body, just it arranges evenly that the case is connected with tap wrench to be 120 degrees, is provided with two holes that are linked together on the case, and the case can make two holes correspond with a conveying mouth and the 2nd conveying mouth respectively at the valve body internal rotation, perhaps corresponds with a conveying mouth and the 3rd conveying mouth. Use the utility model provides a carry hand -operated direction valve for casting resin, tap wrench drive the case and rotate, among two holes that are linked together on the case and the three conveying mouth arbitrary two corresponding, guarantee a pipeline intercommunication that advances, the hole makes the casting resin only flow between two conveying mouth of intercommunication, can not flow to a third conveying mouth, do not produce stifledly to manage the blind area in the pipeline, and compact structure, the valve flexible movements, easy and simple to handle.
Description
Technical field
The utility model relates to fluid reversing apparatus field, more particularly, relates to a kind of conveying casting resin hand-operated direction valve.
Background technique
Along with the development of science and technology, people are more and more perfect for the equipment of resource exploitation, become the process carrying out detecting and then completing exploitation by main equipment from original man-made recovery.
At present, in the process of exploitation, have part ore and cannot be fully used because of prior art, this part ore is called mine tailing, and in mine tailing, useful target components content is low, under current condition of technology and economy, and should not sorting further again.But along with the development of Manufacturing science technology, useful target components also may have the economic value recycled further.The mine tailing in mine generally needs specialty storage, to prevent the pollution of the environment, traditional mill tailings process is all generally adopt low density Tailings Slurry to be directly disposed to Tailings Dam, stores after the discharge of mine tailing high concentration needs filling again, in case landslide or dam break phenomenon occur.Generally arrange several discharge port when the high concentration discharge of mine tailing and filling, what delivery line switched usually employing is, and a three-way pipe joins two stop valves realizes.
Three-way pipe is traditionally arranged to be a material feeding mouth and two discharge ports, or two material feeding mouths and a discharge port, and with two stop valves with the use of.There is plugging blind area in this form, in three-way pipe, non-discharge port section easily piles up slip, long-time obstructed meeting causes this part slip to solidify, cause plugging, two stop valves make equipment increase, structure is not compact, realizes pipeline and switches increase operation link, can not realize fast pipeline and switch by selector valve.
In sum, how effectively to solve structure of reversing valve not compact, pipeline switches not in time, and unhandy problem is current those skilled in the art's urgent problem.
Model utility content
In view of this, the purpose of this utility model is to provide a kind of conveying casting resin hand-operated direction valve, and not compact to solve structure of reversing valve, pipeline switches problem not in time.
In order to achieve the above object, the utility model provides following technological scheme:
A kind of conveying casting resin hand-operated direction valve, comprises valve key; Also comprise valve body and spool, described valve body is provided with the first conveying mouth, the second conveying mouth and the 3rd conveying mouth, and be evenly arranged in 120 degree, described spool is connected with described valve key, described spool is provided with two endoporus be connected, described spool can rotate and make two described endoporus corresponding with described first conveying mouth and the second conveying mouth respectively in described valve body, or corresponding with described first conveying mouth and the 3rd conveying mouth.
Preferably, in above-mentioned conveying casting resin hand-operated direction valve, also comprise the cylinder sleeve be sheathed on outside described spool, described cylinder sleeve and described spool interference fit, described cylinder sleeve and described valve body Spielpassung.
Preferably, in above-mentioned conveying casting resin hand-operated direction valve, also comprise and be arranged at described valve end and be sheathed on the second end cap outside described spool, the inwall of described second end cap has step surface, described step surface is provided with seal ring, described second end cap outer end is provided with the first end cap coordinated with described seal ring, and described second end cap is fixedly connected with described valve body is dismountable, and described first end cap is fixedly connected with described second end cap is dismountable.
Preferably, in above-mentioned conveying casting resin hand-operated direction valve, between described spool and described second end cap, internal baffle is provided with.
Preferably, in above-mentioned conveying casting resin hand-operated direction valve, be arranged with copper ring outside described spool, described copper ring is positioned at the inner side of described internal baffle.
Preferably, in above-mentioned conveying casting resin hand-operated direction valve, the angle of two described interior axially bored lines is 120 degree, and through arc transition.
Preferably, in above-mentioned conveying casting resin hand-operated direction valve, the cross section of the transition position of two described endoporus is isocentric circular arc, and the semidiameter of described isocentric circular arc equals the diameter of described endoporus.
Preferably, in above-mentioned conveying casting resin hand-operated direction valve, described spool is fixedly connected with described valve key is dismountable.Preferably, also comprise the cylinder sleeve be set with described spool, described cylinder sleeve and described spool interference fit.
The conveying casting resin hand-operated direction valve that the utility model provides, comprises valve key, valve body and spool; Wherein, valve key is connected with spool, valve key band movable valve plug rotates in valve body, valve body is provided with three conveying mouths, three conveying mouths are evenly arranged in 120 degree on valve body, as material feeding mouth or discharge port, spool can be provided with two endoporus be connected when conveying mouth is connected from the different pump housing, two endoporus respectively with in conveying mouth any two corresponding, ensure the pipeline connection of one-in-and-one-out.
During the conveying casting resin hand-operated direction valve that application the utility model provides, manually operated valve spanner, valve key drives valve core rotation, the endoporus of valve core inside rotates, match with the conveying mouth arranged in valve body, complete the commutation to pipeline, and ensure being communicated with of material feeding mouth and a discharge port all the time.And then realize pipeline switching conveying casting resin, by coordinating of endoporus and valve conveying mouth, casting resin is arrived after endoporus through material feeding mouth at valve core inside, arrive again to discharge port, two conveying mouths are only communicated with by endoporus, casting resin is only flowed between two conveying mouths, the 3rd conveying mouth can not be flowed to, do not produce plugging blind area at channel interior.Therefore, the conveying casting resin hand-operated direction valve that the utility model provides, operates easier, compact structure, and valve event is flexible, is conducive to the layout of pipeline conveying mouth, installs control and be easier to maintenance.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the conveying casting resin hand-operated direction valve that Fig. 1 provides for the utility model embodiment;
The sectional structure schematic diagram of the conveying casting resin hand-operated direction valve that Fig. 2 provides for the utility model embodiment;
The valve body conveying mouth of the conveying casting resin hand-operated direction valve that Fig. 3 provides for the utility model embodiment arranges schematic diagram;
The valve core structure schematic diagram of the conveying casting resin hand-operated direction valve that Fig. 4 provides for the utility model embodiment;
The valve core structure A-A schematic cross-section of the conveying casting resin hand-operated direction valve that Fig. 5 provides for the utility model embodiment.
In accompanying drawing, mark is as follows:
Valve key 1, spool 2, first end cap 3, second end cap 4, seal ring 5, internal baffle 6, copper ring 7, cylinder sleeve 8, valve body 9, conveying mouth 91.
Embodiment
The utility model embodiment discloses a kind of conveying casting resin hand-operated direction valve, and to solve, structure of reversing valve is not compact, pipeline switching problem not in time.
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1-Fig. 5, the structural representation of the conveying casting resin hand-operated direction valve that Fig. 1 provides for the utility model embodiment; The sectional structure schematic diagram of the conveying casting resin hand-operated direction valve that Fig. 2 provides for the utility model embodiment; The valve body conveying mouth of the conveying casting resin hand-operated direction valve that Fig. 3 provides for the utility model embodiment arranges schematic diagram; The valve core structure schematic diagram of the conveying casting resin hand-operated direction valve that Fig. 4 provides for the utility model embodiment; The valve core structure A-A schematic cross-section of the conveying casting resin hand-operated direction valve that Fig. 5 provides for the utility model embodiment.
In a kind of concrete mode of execution, conveying casting resin hand-operated direction valve comprises valve key 1, valve body 9 and spool 2.
Wherein, valve key 1 is connected with spool 2, band movable valve plug 2 rotates in valve body 9, valve body 9 is provided with three conveying mouths 91, i.e. the first conveying mouth, the second conveying mouth and the 3rd conveying mouth, and is evenly arranged in 120 degree on valve body 9, concrete, when conveying mouth 91 connects from the different pump housing, as material feeding mouth or discharge port, can arrange as required.Spool 2 is provided with two endoporus be connected, corresponding with two conveying mouths 91 arbitrary in conveying mouth 91 respectively during work, form the closed conveying pipeline of one-in-and-one-out.Namely can to turn to two endoporus in valve body 9 corresponding with the first conveying mouth and the second conveying mouth respectively for spool 2, or corresponding with described first conveying mouth and the 3rd conveying mouth.Spool 2 rotates under the drive of valve key, changes the conveying mouth 91 that two endoporus are corresponding, realizes the switching of pipeline.Concrete, be communicated with supply pipe with two conveying mouths 91, the situation that another conveying mouth 91 is communicated with discharge nozzle is example, an endoporus of spool 2 is corresponding with discharge nozzle, another endoporus is corresponding with a supply pipe, and when needs switch pipeline, rotational valve core 2 makes it corresponding with another supply pipe.Certainly, can arrange locking device, turn at spool 2 and lock with spool 2 during grog pipe 9 corresponding position, its concrete structure can with reference to prior art.It should be noted that, mention herein and hereafter first, second etc. name, only for distinguishing different conveying mouths 91, and the implication in nonfunctional primary and secondary.For expanding the using scope of selector valve, spool 2 also can be set further when rotating, two endoporus can be turned to corresponding with the second conveying mouth and the 3rd conveying mouth.And then, when switching pipeline, can connected relation between any switching laws three conveying mouths 9.
During concrete use, casting resin is transported from discharge port by endoporus through material feeding mouth, casting resin is when interior road, only can transmit between two conveying mouths 91 and endoporus, can not be communicated with the 3rd conveying mouth 91, not produce plugging blind area at channel interior, when needs commutate to pipeline, only need pull spanner, rotational valve core 2 makes it corresponding with needs pipeline, easy and simple to handle.
Conveying mouth 91 is evenly arranged in 120 degree on valve body 9, conveying mouth 91 can arbitrarily be commutated as required, in concrete working environment, two can be formed enter one and go out or a pipeline entering two places, easy and simple to handle when making to carry casting resin, undertaken commutating by selector valve as required, pipeline can be realized and switch fast, compact structure, own vol and action need space are little simultaneously, and stability is high.
Further, above-mentioned conveying casting resin hand-operated direction valve can also comprise the cylinder sleeve 8 be set with spool 2, cylinder sleeve 8 and spool 2 interference fit.The tolerance range of interference fit finger-hole is under the tolerance range of axle, and that is, the size in all directions in hole deducts the algebraic step of the size gained in all directions of the axle matched, and cooperation when this difference is negative is interference fit.Valve key 1 is connected with spool 2, rotating valve spanner 1, and spool 2 rotates under it drives; cylinder sleeve 8 and spool 2 interference fit; namely its relative position is constant, is equivalent to be connected to one, and cylinder sleeve 8 rotates under the drive of spool 2 together with spool 2; ensure that spool 2 directly can not contact with valve body 9; avoid the wearing and tearing of spool 2, in other embodiments, also can take other protective measures; spool 2 is reduced wear, as increased plastic washer etc. thereon.Cylinder sleeve 8 and valve body 9 are Spielpassung.Cylinder sleeve 8, under the drive of spool 2, rotates together with spool 2, and cylinder sleeve 8 and valve body 9 Spielpassung can guarantee that spool 2 rotates flexibly, commutate better, in order to prevent the impact due to external environment, lubricant oil can be added between cylinder sleeve 8 and valve body 9, not repeating them here.
Further, above-mentioned conveying casting resin hand-operated direction valve can also comprise and is arranged at valve body 9 end sleeve and is located at the second end cap 4 outside spool 2, the inwall of the second end cap 4 has step surface, step surface is provided with seal ring 5, second end cap 4 outer end is provided with the first end cap 3 coordinated with seal ring 5, second end cap 4 is fixedly connected with spool 2 is dismountable, and the first end cap 3 is fixedly connected with the second end cap 4 is dismountable.When conveying casting resin selector valve is generally used for high pressure or needs the pump housing, under high pressure, by Fill transportation to specified position, between spool 2 and the second end cap 4, seal ring 5 is set, under preventing high pressure, pipeline is in communication with the outside generation pressure change, makes casting resin not arrive specified position, let out slurry phenomenon, cause engineering accident.In other embodiments, also other sealing means or sealed member can be selected.Sealing means is as packing seal or mechanical seal etc.First end cap 3 is fixedly connected with the second end cap 4 is dismountable, make when spool 2 or other component need to change, convenient disassembly, in other embodiments, also the first end cap 3 and the second end cap 4 can be made of one formula, or other component can be selected as required, as plastic washer etc., as long as reach identical technique effect, the parts selected and means of fixation are not construed as limiting.Effectively its sealing is ensured by the first end cap 3, second end cap 4 and arranging of seal ring 5.
Concrete, for avoiding letting out oar and in order to make spool 2 rotate flexibly, can also can arranging internal baffle 6 between spool 2 and the second end cap 4 at spool 2, in case stopping leak slurry.Further, copper ring 7 can be arranged with outside spool 2.Namely spool 2 is set with copper ring 7, internal baffle 6, second end cap 4 and the first end cap 3 respectively successively, and make spool 2 rotate flexibly, copper ring 7, internal baffle 6 and cylinder sleeve 8 make spool 2 directly not contact with valve body 9, avoid the wearing and tearing of spool 2.
On the basis of above-described embodiment, two endoporus axis angles can be 120 degree, and through arc transition.As shown in Figure 4, Figure 5, be 120 degree and be evenly arranged between three conveying mouths 91 on valve body 9, for being communicated with between any two conveying mouths 91, in spool 2, the opening end of endoporus need correspond to conveying mouth 91.Concrete two endoporus axis angles can be 120 degree, identical with the angle of conveying mouth 91, coordinate tight, prevent from letting out slurry in course of conveying, or the corresponding irregular conveying casting resin speed that makes is slow, affects working efficiency.Through arc transition between endoporus, refer to if R1, R2 place on Fig. 5 is through arc transition, R1 herein, R2 only represents the mark of different radii, arrange arc transition at R1, R2 place, make casting resin in the inner mild flowing of spool 2, casting resin is cushioned herein, avoid the impact produced during wedge angle transition pipeline, the phenomenon of the spool 2 that even weares and teares.In other embodiments, also R2 place can be set to without arc transition, because casting resin is under the effect being in inertia through R2, can slide forward along R2 place straight line, and the effect of buffering can be played due to other casting resins in front portion, therefore arc transition can not be set at R2 place.
Further, the cross section of the transition position of two endoporus can be isocentric circular arc, namely two interior aperture arc transition, and this circular arc is isocentric circular arc.The semidiameter of isocentric circular arc equals the diameter of endoporus.As shown in Figure 5, the center of circle that isocentric circular arc refers to the both sides transition arc of endoporus overlaps, and the distance that the two semidiameter R1 deducts R2 gained equals the aperture of endoporus, makes the uniform pore diameter transition of whole endoporus.Certainly, in other embodiments, also can not be set to isocentric circular arc, as long as can ensure that casting resin is flowed gently wherein, spool 2 not produced and impact.But it is more smooth-going that even transition makes casting resin flow.
Concrete, spool 2 is fixedly connected with valve key 1 is dismountable.Spool 2 can for be connected through bolt with the Placement of valve key 1, as long as can ensure that the two is relatively fixing, spool 2 can rotate under valve key 1 drives, and is not construed as limiting concrete Placement.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. carry a casting resin hand-operated direction valve, comprise valve key; It is characterized in that, also comprise valve body and spool, described valve body is provided with the first conveying mouth, the second conveying mouth and the 3rd conveying mouth, and be evenly arranged in 120 degree, described spool is connected with described valve key, described spool is provided with two endoporus be connected, described spool can rotate and make two described endoporus corresponding with described first conveying mouth and the second conveying mouth respectively in described valve body, or corresponding with described first conveying mouth and the 3rd conveying mouth.
2. conveying casting resin hand-operated direction valve according to claim 1, is characterized in that, also comprise the cylinder sleeve be sheathed on outside described spool, described cylinder sleeve and described spool interference fit, described cylinder sleeve and described valve body Spielpassung.
3. conveying casting resin hand-operated direction valve according to claim 1, it is characterized in that, also comprise and be arranged at described valve end and be sheathed on the second end cap outside described spool, the inwall of described second end cap has step surface, described step surface is provided with seal ring, described second end cap outer end is provided with the first end cap coordinated with described seal ring, and described second end cap is fixedly connected with described valve body is dismountable, and described first end cap is fixedly connected with described second end cap is dismountable.
4. conveying casting resin hand-operated direction valve according to claim 3, is characterized in that, is provided with internal baffle between described spool and described second end cap.
5. conveying casting resin hand-operated direction valve according to claim 4, is characterized in that, be arranged with copper ring outside described spool, described copper ring is positioned at the inner side of described internal baffle.
6. the conveying casting resin hand-operated direction valve according to any one of claim 1-5, is characterized in that, the angle of two described interior axially bored lines is 120 degree, and through arc transition.
7. conveying casting resin hand-operated direction valve according to claim 6, is characterized in that, the cross section of the transition position of two described endoporus is isocentric circular arc, and the semidiameter of described isocentric circular arc equals the diameter of described endoporus.
8. conveying casting resin hand-operated direction valve according to claim 6, is characterized in that, described spool is fixedly connected with described valve key is dismountable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521033268.1U CN205173569U (en) | 2015-12-11 | 2015-12-11 | Carry hand -operated direction valve for casting resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521033268.1U CN205173569U (en) | 2015-12-11 | 2015-12-11 | Carry hand -operated direction valve for casting resin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205173569U true CN205173569U (en) | 2016-04-20 |
Family
ID=55737563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521033268.1U Active CN205173569U (en) | 2015-12-11 | 2015-12-11 | Carry hand -operated direction valve for casting resin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205173569U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106870771A (en) * | 2015-12-11 | 2017-06-20 | 飞翼股份有限公司 | One kind conveying casting resin hand-operated direction valve |
| CN109607463A (en) * | 2018-11-12 | 2019-04-12 | 中国直升机设计研究所 | A kind of pipeline reversing arrangement and commutation method |
-
2015
- 2015-12-11 CN CN201521033268.1U patent/CN205173569U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106870771A (en) * | 2015-12-11 | 2017-06-20 | 飞翼股份有限公司 | One kind conveying casting resin hand-operated direction valve |
| CN109607463A (en) * | 2018-11-12 | 2019-04-12 | 中国直升机设计研究所 | A kind of pipeline reversing arrangement and commutation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205173569U (en) | Carry hand -operated direction valve for casting resin | |
| CN204341185U (en) | Four-mode steering hydraulic control system and there is its vehicle | |
| CN103851225A (en) | Rotary multi-way reversing valve | |
| CN203585422U (en) | Three-way distributing valve | |
| CN107939296B (en) | Drilling tool with switchable spraying opening | |
| CN108488523B (en) | Central rotary joint structure | |
| CN102400968A (en) | Hydraulic valve, hydraulic system and concrete pumping equipment | |
| CN201827439U (en) | Electric three-way valve | |
| CN204099655U (en) | A kind of the concrete pump set and diverter valve | |
| CN202188169U (en) | L-shaped three-way ball valve | |
| CN102797722B (en) | Hydraulic reversing valve with axially moving and rotating functions | |
| CN202108798U (en) | Hydraulic rotary valve and engineering machinery | |
| CN207864738U (en) | A kind of oil field gas pipeline valve | |
| CN106870771A (en) | One kind conveying casting resin hand-operated direction valve | |
| CN204004754U (en) | Low leakage sealed fixing ball valve | |
| CN204420200U (en) | Cylinder-rotating three-way diverter valve | |
| CN101963243B (en) | Micro hydraulic control valve device | |
| CN206290762U (en) | A kind of hand-operated direction valve | |
| CN213511451U (en) | Swing oil cylinder with additional spare oil port | |
| CN209654826U (en) | A kind of pipeline switching mechanism | |
| CN101769387B (en) | Reversing valve with flow guide structure | |
| CN101169142A (en) | Turning arm oil cylinder oil path structure | |
| CN105465363A (en) | Gas-solid two-phase sealing structure | |
| CN104913069A (en) | Flow-adjustable valve | |
| CN106895258B (en) | Carbon dioxide gas cylinder filling joint with high sealing performance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Hand-operated direction valve for conveying filling material Effective date of registration: 20200703 Granted publication date: 20160420 Pledgee: Bank of Changsha Limited by Share Ltd. science and Technology Branch Pledgor: FENY Corp.,Ltd. Registration number: Y2020980003781 |
|
| PE01 | Entry into force 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: 20210722 Granted publication date: 20160420 Pledgee: Bank of Changsha Limited by Share Ltd. science and Technology Branch Pledgor: FENY Corp.,Ltd. Registration number: Y2020980003781 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A manual directional valve for conveying filler Effective date of registration: 20210811 Granted publication date: 20160420 Pledgee: Bank of Changsha Limited by Share Ltd. science and Technology Branch Pledgor: FENY Corp.,Ltd. Registration number: Y2021980007550 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20160420 Pledgee: Bank of Changsha Limited by Share Ltd. science and Technology Branch Pledgor: FENY Corp.,Ltd. Registration number: Y2021980007550 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |